Merge pull request #921 from leobalter/async-gen-templates-dstr

Add async generator templates for destructing binding
This commit is contained in:
Rick Waldron 2017-04-06 11:41:27 -04:00 committed by GitHub
commit b0e921ff45
1104 changed files with 64108 additions and 0 deletions

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/statements/async-generator/dstr-dflt-
name: async generator function declaration (default parameter)
esid: sec-asyncgenerator-definitions-instantiatefunctionobject
features: [async-iteration]
info: |
AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
( FormalParameters ) { AsyncGeneratorBody }
[...]
3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
async function* f(/*{ elems }*/ = /*{ vals }*/) {
/*{ body }*/
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/statements/async-generator/dstr-
name: async generator function declaration
esid: sec-asyncgenerator-definitions-instantiatefunctionobject
features: [async-iteration]
info: |
AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier
( FormalParameters ) { AsyncGeneratorBody }
[...]
3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody,
scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
async function* f(/*{ elems }*/) {
/*{ body }*/
callCount = callCount + 1;
};
f(/*{ vals }*/).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/expressions/async-generator/dstr-dflt-
name: async generator function expression (default parameter)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
var f;
f = async function*(/*{ elems }*/ = /*{ vals }*/) {
/*{ body }*/
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/expressions/async-generator/dstr-
name: async generator function expression
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
var f;
f = async function*(/*{ elems }*/) {
/*{ body }*/
callCount = callCount + 1;
};
f(/*{ vals }*/).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/expressions/async-generator/dstr-named-dflt-
name: async generator named function expression (default parameter)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier
( FormalParameters ) { AsyncGeneratorBody }
[...]
7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, funcEnv, strict).
[...]
flags: [async]
---*/
var callCount = 0;
var f;
f = async function* g(/*{ elems }*/ = /*{ vals }*/) {
/*{ body }*/
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/expressions/async-generator/dstr-named-
name: async generator named function expression
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * BindingIdentifier
( FormalParameters ) { AsyncGeneratorBody }
[...]
7. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, funcEnv, strict).
[...]
flags: [async]
---*/
var callCount = 0;
var f;
f = async function* g(/*{ elems }*/) {
/*{ body }*/
callCount = callCount + 1;
};
f(/*{ vals }*/).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/expressions/object/dstr-async-gen-meth-
name: async generator method
esid: sec-asyncgenerator-definitions-propertydefinitionevaluation
features: [async-iteration]
info: |
AsyncGeneratorMethod :
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
{ AsyncGeneratorBody }
1. Let propKey be the result of evaluating PropertyName.
2. ReturnIfAbrupt(propKey).
3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
Otherwise let strict be false.
4. Let scope be the running execution context's LexicalEnvironment.
5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
var obj = {
async *method(/*{ elems }*/) {
/*{ body }*/
callCount = callCount + 1;
}
};
obj.method(/*{ vals }*/).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/expressions/object/dstr-async-gen-meth-dflt-
name: async generator method (default parameter)
esid: sec-asyncgenerator-definitions-propertydefinitionevaluation
features: [async-iteration]
info: |
AsyncGeneratorMethod :
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
{ AsyncGeneratorBody }
1. Let propKey be the result of evaluating PropertyName.
2. ReturnIfAbrupt(propKey).
3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
Otherwise let strict be false.
4. Let scope be the running execution context's LexicalEnvironment.
5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
var obj = {
async *method(/*{ elems }*/ = /*{ vals }*/) {
/*{ body }*/
callCount = callCount + 1;
}
};
obj.method().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/statements/class/dstr-async-gen-meth-dflt-
name: class expression async generator method (default parameters)
esid: sec-class-definitions-runtime-semantics-evaluation
features: [async-iteration]
info: |
ClassDeclaration : class BindingIdentifier ClassTail
1. Let className be StringValue of BindingIdentifier.
2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
argument className.
[...]
14.5.14 Runtime Semantics: ClassDefinitionEvaluation
21. For each ClassElement m in order from methods
a. If IsStatic of m is false, then
i. Let status be the result of performing
PropertyDefinitionEvaluation for m with arguments proto and
false.
[...]
Runtime Semantics: PropertyDefinitionEvaluation
AsyncGeneratorMethod :
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
{ AsyncGeneratorBody }
1. Let propKey be the result of evaluating PropertyName.
2. ReturnIfAbrupt(propKey).
3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
Otherwise let strict be false.
4. Let scope be the running execution context's LexicalEnvironment.
5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
class C {
async *method(/*{ elems }*/ = /*{ vals }*/) {
/*{ body }*/
callCount = callCount + 1;
}
};
new C().method().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/statements/class/dstr-async-gen-meth-static-dflt-
name: static class expression async generator method (default parameter)
esid: sec-runtime-semantics-bindingclassdeclarationevaluation
features: [async-iteration]
info: |
ClassDeclaration : class BindingIdentifier ClassTail
1. Let className be StringValue of BindingIdentifier.
2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
argument className.
[...]
14.5.14 Runtime Semantics: ClassDefinitionEvaluation
21. For each ClassElement m in order from methods
a. If IsStatic of m is false, then
b. Else,
Let status be the result of performing PropertyDefinitionEvaluation for
m with arguments F and false.
[...]
Runtime Semantics: PropertyDefinitionEvaluation
AsyncGeneratorMethod :
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
{ AsyncGeneratorBody }
1. Let propKey be the result of evaluating PropertyName.
2. ReturnIfAbrupt(propKey).
3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
Otherwise let strict be false.
4. Let scope be the running execution context's LexicalEnvironment.
5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
class C {
static async *method(/*{ elems }*/ = /*{ vals }*/) {
/*{ body }*/
callCount = callCount + 1;
}
};
C.method().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/statements/class/dstr-async-gen-meth-static-
name: static class expression async generator method
esid: sec-runtime-semantics-bindingclassdeclarationevaluation
features: [async-iteration]
info: |
ClassDeclaration : class BindingIdentifier ClassTail
1. Let className be StringValue of BindingIdentifier.
2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
argument className.
[...]
14.5.14 Runtime Semantics: ClassDefinitionEvaluation
21. For each ClassElement m in order from methods
a. If IsStatic of m is false, then
b. Else,
Let status be the result of performing PropertyDefinitionEvaluation for
m with arguments F and false.
[...]
Runtime Semantics: PropertyDefinitionEvaluation
AsyncGeneratorMethod :
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
{ AsyncGeneratorBody }
1. Let propKey be the result of evaluating PropertyName.
2. ReturnIfAbrupt(propKey).
3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
Otherwise let strict be false.
4. Let scope be the running execution context's LexicalEnvironment.
5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
class C {
static async *method(/*{ elems }*/) {
/*{ body }*/
callCount = callCount + 1;
}
};
C.method(/*{ vals }*/).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/statements/class/dstr-async-gen-meth-
name: class expression method
esid: sec-class-definitions-runtime-semantics-evaluation
features: [async-iteration]
info: |
ClassDeclaration : class BindingIdentifier ClassTail
1. Let className be StringValue of BindingIdentifier.
2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
argument className.
[...]
14.5.14 Runtime Semantics: ClassDefinitionEvaluation
21. For each ClassElement m in order from methods
a. If IsStatic of m is false, then
i. Let status be the result of performing
PropertyDefinitionEvaluation for m with arguments proto and
false.
[...]
Runtime Semantics: PropertyDefinitionEvaluation
AsyncGeneratorMethod :
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
{ AsyncGeneratorBody }
1. Let propKey be the result of evaluating PropertyName.
2. ReturnIfAbrupt(propKey).
3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
Otherwise let strict be false.
4. Let scope be the running execution context's LexicalEnvironment.
5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
class C {
async *method(/*{ elems }*/) {
/*{ body }*/
callCount = callCount + 1;
}
};
new C().method(/*{ vals }*/).then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/expressions/class/dstr-async-gen-meth-dflt-
name: class expression async generator method (default parameter)
esid: sec-class-definitions-runtime-semantics-evaluation
features: [async-iteration]
info: |
ClassExpression : class BindingIdentifieropt ClassTail
1. If BindingIdentifieropt is not present, let className be undefined.
2. Else, let className be StringValue of BindingIdentifier.
3. Let value be the result of ClassDefinitionEvaluation of ClassTail
with argument className.
[...]
14.5.14 Runtime Semantics: ClassDefinitionEvaluation
21. For each ClassElement m in order from methods
a. If IsStatic of m is false, then
i. Let status be the result of performing
PropertyDefinitionEvaluation for m with arguments proto and
false.
[...]
Runtime Semantics: PropertyDefinitionEvaluation
AsyncGeneratorMethod :
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
{ AsyncGeneratorBody }
1. Let propKey be the result of evaluating PropertyName.
2. ReturnIfAbrupt(propKey).
3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
Otherwise let strict be false.
4. Let scope be the running execution context's LexicalEnvironment.
5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
var C = class {
async *method(/*{ elems }*/ = /*{ vals }*/) {
/*{ body }*/
callCount = callCount + 1;
}
};
new C().method().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/expressions/class/dstr-async-gen-meth-static-dflt-
name: static class expression async generator method (default parameter)
esid: sec-class-definitions-runtime-semantics-evaluation
features: [async-iteration]
info: |
ClassExpression : class BindingIdentifieropt ClassTail
1. If BindingIdentifieropt is not present, let className be undefined.
2. Else, let className be StringValue of BindingIdentifier.
3. Let value be the result of ClassDefinitionEvaluation of ClassTail
with argument className.
[...]
14.5.14 Runtime Semantics: ClassDefinitionEvaluation
21. For each ClassElement m in order from methods
a. If IsStatic of m is false, then
b. Else,
Let status be the result of performing PropertyDefinitionEvaluation
for m with arguments F and false.
[...]
Runtime Semantics: PropertyDefinitionEvaluation
AsyncGeneratorMethod :
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
{ AsyncGeneratorBody }
1. Let propKey be the result of evaluating PropertyName.
2. ReturnIfAbrupt(propKey).
3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
Otherwise let strict be false.
4. Let scope be the running execution context's LexicalEnvironment.
5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
var C = class {
static async *method(/*{ elems }*/ = /*{ vals }*/) {
/*{ body }*/
callCount = callCount + 1;
}
};
C.method().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/expressions/class/dstr-async-gen-meth-static-
name: static class expression async generator method
esid: sec-class-definitions-runtime-semantics-evaluation
features: [async-iteration]
info: |
ClassExpression : class BindingIdentifieropt ClassTail
1. If BindingIdentifieropt is not present, let className be undefined.
2. Else, let className be StringValue of BindingIdentifier.
3. Let value be the result of ClassDefinitionEvaluation of ClassTail
with argument className.
[...]
14.5.14 Runtime Semantics: ClassDefinitionEvaluation
21. For each ClassElement m in order from methods
a. If IsStatic of m is false, then
b. Else,
Let status be the result of performing PropertyDefinitionEvaluation
for m with arguments F and false.
[...]
Runtime Semantics: PropertyDefinitionEvaluation
AsyncGeneratorMethod :
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
{ AsyncGeneratorBody }
1. Let propKey be the result of evaluating PropertyName.
2. ReturnIfAbrupt(propKey).
3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
Otherwise let strict be false.
4. Let scope be the running execution context's LexicalEnvironment.
5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
var C = class {
static async *method(/*{ elems }*/) {
/*{ body }*/
callCount = callCount + 1;
}
};
C.method(/*{ vals }*/).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/expressions/class/dstr-async-gen-meth-
name: class expression method
esid: sec-class-definitions-runtime-semantics-evaluation
features: [async-iteration]
info: |
ClassExpression : class BindingIdentifieropt ClassTail
1. If BindingIdentifieropt is not present, let className be undefined.
2. Else, let className be StringValue of BindingIdentifier.
3. Let value be the result of ClassDefinitionEvaluation of ClassTail
with argument className.
[...]
14.5.14 Runtime Semantics: ClassDefinitionEvaluation
21. For each ClassElement m in order from methods
a. If IsStatic of m is false, then
i. Let status be the result of performing
PropertyDefinitionEvaluation for m with arguments proto and
false.
[...]
Runtime Semantics: PropertyDefinitionEvaluation
AsyncGeneratorMethod :
async [no LineTerminator here] * PropertyName ( UniqueFormalParameters )
{ AsyncGeneratorBody }
1. Let propKey be the result of evaluating PropertyName.
2. ReturnIfAbrupt(propKey).
3. If the function code for this AsyncGeneratorMethod is strict mode code, let strict be true.
Otherwise let strict be false.
4. Let scope be the running execution context's LexicalEnvironment.
5. Let closure be ! AsyncGeneratorFunctionCreate(Method, UniqueFormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
flags: [async]
---*/
var callCount = 0;
var C = class {
async *method(/*{ elems }*/) {
/*{ body }*/
callCount = callCount + 1;
}
};
new C().method(/*{ vals }*/).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-init-iter-close.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Iterator is closed when not exhausted by pattern evaluation (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [Symbol.iterator, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
[...]
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
result).
[...]
---*/
var doneCallCount = 0;
var iter = {};
iter[Symbol.iterator] = function() {
return {
next: function() {
return { value: null, done: false };
},
return: function() {
doneCallCount += 1;
return {};
}
};
};
var callCount = 0;
var f;
f = async function*([x]) {
assert.sameValue(doneCallCount, 1);
callCount = callCount + 1;
};
f(iter).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-init-iter-no-close.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Iterator is not closed when exhausted by pattern evaluation (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [Symbol.iterator, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
[...]
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
result).
[...]
---*/
var doneCallCount = 0;
var iter = {};
iter[Symbol.iterator] = function() {
return {
next: function() {
return { value: null, done: true };
},
return: function() {
doneCallCount += 1;
return {};
}
};
};
var callCount = 0;
var f;
f = async function*([x]) {
assert.sameValue(doneCallCount, 0);
callCount = callCount + 1;
};
f(iter).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-name-iter-val.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: SingleNameBinding with normal value iteration (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([x, y, z]) {
assert.sameValue(x, 1);
assert.sameValue(y, 2);
assert.sameValue(z, 3);
callCount = callCount + 1;
};
f([1, 2, 3]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: BindingElement with array binding pattern and initializer is used (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = async function*([[x, y, z] = [4, 5, 6]]) {
assert.sameValue(x, 4);
assert.sameValue(y, 5);
assert.sameValue(z, 6);
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,45 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: BindingElement with array binding pattern and initializer is not used (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = async function*([[x, y, z] = [4, 5, 6]]) {
assert.sameValue(x, 7);
assert.sameValue(y, 8);
assert.sameValue(z, 9);
callCount = callCount + 1;
};
f([[7, 8, 9]]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,51 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: BindingElement with array binding pattern and initializer is used (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [generators, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var first = 0;
var second = 0;
function* g() {
first += 1;
yield;
second += 1;
};
var callCount = 0;
var f;
f = async function*([[,] = g()]) {
assert.sameValue(first, 1);
assert.sameValue(second, 0);
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,48 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: BindingElement with array binding pattern and initializer is not used (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [generators, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
function* g() {
callCount += 1;
};
var callCount = 0;
var f;
f = async function*([[,] = g()]) {
assert.sameValue(callCount, 0);
callCount = callCount + 1;
};
f([[]]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,46 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: BindingElement with array binding pattern and initializer is used (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var initCount = 0;
var iterCount = 0;
var iter = function*() { iterCount += 1; }();
var callCount = 0;
var f;
f = async function*([[] = function() { initCount += 1; return iter; }()]) {
assert.sameValue(initCount, 1);
assert.sameValue(iterCount, 0);
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,44 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: BindingElement with array binding pattern and initializer is not used (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var initCount = 0;
var callCount = 0;
var f;
f = async function*([[] = function() { initCount += 1; }()]) {
assert.sameValue(initCount, 0);
callCount = callCount + 1;
};
f([[23]]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,48 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: BindingElement with array binding pattern and initializer is used (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var values = [2, 1, 3];
var callCount = 0;
var f;
f = async function*([[...x] = values]) {
assert(Array.isArray(x));
assert.sameValue(x[0], 2);
assert.sameValue(x[1], 1);
assert.sameValue(x[2], 3);
assert.sameValue(x.length, 3);
assert.notSameValue(x, values);
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,51 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: BindingElement with array binding pattern and initializer is not used (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var values = [2, 1, 3];
var initCount = 0;
var callCount = 0;
var f;
f = async function*([[...x] = function() { initCount += 1; }()]) {
assert(Array.isArray(x));
assert.sameValue(x[0], 2);
assert.sameValue(x[1], 1);
assert.sameValue(x[2], 3);
assert.sameValue(x.length, 3);
assert.notSameValue(x, values);
assert.sameValue(initCount, 0);
callCount = callCount + 1;
};
f([values]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,43 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Destructuring initializer with an exhausted iterator (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([x = 23]) {
assert.sameValue(x, 23);
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,44 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: SingleNameBinding does assign name to arrow functions (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([arrow = () => {}]) {
assert.sameValue(arrow.name, 'arrow');
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,46 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: SingleNameBinding assigns `name` to "anonymous" classes (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }]) {
assert.sameValue(cls.name, 'cls');
assert.notSameValue(xCls.name, 'xCls');
assert.notSameValue(xCls2.name, 'xCls2');
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,45 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([cover = (function () {}), xCover = (0, function() {})]) {
assert.sameValue(cover.name, 'cover');
assert.notSameValue(xCover.name, 'xCover');
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,45 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: SingleNameBinding assigns name to "anonymous" functions (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([fn = function () {}, xFn = function x() {}]) {
assert.sameValue(fn.name, 'fn');
assert.notSameValue(xFn.name, 'xFn');
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,45 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: SingleNameBinding assigns name to "anonymous" generator functions (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([gen = function* () {}, xGen = function* x() {}]) {
assert.sameValue(gen.name, 'gen');
assert.notSameValue(xGen.name, 'xGen');
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,39 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Destructuring initializer with a "hole" (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...] 6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([x = 23]) {
assert.sameValue(x, 23);
// another statement
callCount = callCount + 1;
};
f([,]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,48 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Destructuring initializer is not evaluated when value is not `undefined` (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var initCount = 0;
function counter() {
initCount += 1;
}
var callCount = 0;
var f;
f = async function*([w = counter(), x = counter(), y = counter(), z = counter()]) {
assert.sameValue(w, null);
assert.sameValue(x, 0);
assert.sameValue(y, false);
assert.sameValue(z, '');
assert.sameValue(initCount, 0);
callCount = callCount + 1;
};
f([null, 0, false, '']).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,42 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Destructuring initializer with an undefined value (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([x = 23]) {
assert.sameValue(x, 23);
callCount = callCount + 1;
};
f([undefined]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,46 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: SingleNameBinding when value iteration completes (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([x]) {
assert.sameValue(x, undefined);
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,41 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: SingleNameBinding when value iteration was completed previously (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([_, x]) {
assert.sameValue(x, undefined);
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,52 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: SingleNameBinding when value iteration was completed previously (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([x, y, z]) {
assert.sameValue(x, 1);
assert.sameValue(y, 2);
assert.sameValue(z, 3);
callCount = callCount + 1;
};
f([1, 2, 3]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,44 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: BindingElement with object binding pattern and initializer is used (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = async function*([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
assert.sameValue(x, 44);
assert.sameValue(y, 55);
assert.sameValue(z, 66);
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,44 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-obj-id.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: BindingElement with object binding pattern and initializer is not used (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = async function*([{ x, y, z } = { x: 44, y: 55, z: 66 }]) {
assert.sameValue(x, 11);
assert.sameValue(y, 22);
assert.sameValue(z, 33);
callCount = callCount + 1;
};
f([{ x: 11, y: 22, z: 33 }]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,54 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: BindingElement with object binding pattern and initializer is used (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = async function*([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
assert.sameValue(v, 444);
assert.sameValue(x, 555);
assert.sameValue(z, 666);
assert.throws(ReferenceError, function() {
u;
});
assert.throws(ReferenceError, function() {
w;
});
assert.throws(ReferenceError, function() {
y;
});
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,54 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: BindingElement with object binding pattern and initializer is not used (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = async function*([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }]) {
assert.sameValue(v, 777);
assert.sameValue(x, 888);
assert.sameValue(z, 999);
assert.throws(ReferenceError, function() {
u;
});
assert.throws(ReferenceError, function() {
w;
});
assert.throws(ReferenceError, function() {
y;
});
callCount = callCount + 1;
};
f([{ u: 777, w: 888, y: 999 }]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,49 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elision-exhausted.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Elision accepts exhausted iterator (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [generator, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
[...]
2. Return NormalCompletion(empty).
---*/
var iter = function*() {}();
iter.next();
var callCount = 0;
var f;
f = async function*([,]) {
callCount = callCount + 1;
};
f(iter).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,58 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elision.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Elision advances iterator (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [generator, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
2. Return NormalCompletion(empty).
---*/
var first = 0;
var second = 0;
function* g() {
first += 1;
yield;
second += 1;
};
var callCount = 0;
var f;
f = async function*([,]) {
assert.sameValue(first, 1);
assert.sameValue(second, 0);
callCount = callCount + 1;
};
f(g()).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,41 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-empty.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: No iteration occurs for an "empty" array binding pattern (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [generators, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ ]
1. Return NormalCompletion(empty).
---*/
var iterations = 0;
var iter = function*() {
iterations += 1;
}();
var callCount = 0;
var f;
f = async function*([]) {
assert.sameValue(iterations, 0);
callCount = callCount + 1;
};
f(iter).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,65 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Rest element containing an array BindingElementList pattern (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([...[x, y, z]]) {
assert.sameValue(x, 3);
assert.sameValue(y, 4);
assert.sameValue(z, 5);
callCount = callCount + 1;
};
f([3, 4, 5]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,71 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Rest element containing an elision (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [generators, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
2. Return NormalCompletion(empty).
---*/
var first = 0;
var second = 0;
function* g() {
first += 1;
yield;
second += 1;
};
var callCount = 0;
var f;
f = async function*([...[,]]) {
assert.sameValue(first, 1);
assert.sameValue(second, 1);
callCount = callCount + 1;
};
f(g()).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,54 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Rest element containing an "empty" array pattern (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [generators, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ ]
1. Return NormalCompletion(empty).
---*/
var iterations = 0;
var iter = function*() {
iterations += 1;
}();
var callCount = 0;
var f;
f = async function*([...[]]) {
assert.sameValue(iterations, 1);
callCount = callCount + 1;
};
f(iter).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,50 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Rest element containing a rest element (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
---*/
var values = [1, 2, 3];
var callCount = 0;
var f;
f = async function*([...[...x]]) {
assert(Array.isArray(x));
assert.sameValue(x.length, 3);
assert.sameValue(x[0], 1);
assert.sameValue(x[1], 2);
assert.sameValue(x[2], 3);
assert.notSameValue(x, values);
callCount = callCount + 1;
};
f(values).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,46 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-id-elision.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Rest element following elision elements (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elisionopt BindingRestElement ]
1. If Elision is present, then
a. Let status be the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with
iteratorRecord as the argument.
b. ReturnIfAbrupt(status).
2. Return the result of performing IteratorBindingInitialization for
BindingRestElement with iteratorRecord and environment as arguments.
---*/
var values = [1, 2, 3, 4, 5];
var callCount = 0;
var f;
f = async function*([ , , ...x]) {
assert(Array.isArray(x));
assert.sameValue(x.length, 3);
assert.sameValue(x[0], 3);
assert.sameValue(x[1], 4);
assert.sameValue(x[2], 5);
assert.notSameValue(x, values);
callCount = callCount + 1;
};
f(values).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,42 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: RestElement applied to an exhausted iterator (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [Symbol.iterator, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
environment).
2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
[...]
b. If iteratorRecord.[[done]] is true, then
i. If environment is undefined, return PutValue(lhs, A).
ii. Return InitializeReferencedBinding(lhs, A).
---*/
var callCount = 0;
var f;
f = async function*([, , ...x]) {
assert(Array.isArray(x));
assert.sameValue(x.length, 0);
callCount = callCount + 1;
};
f([1, 2]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,43 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-id.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Lone rest element (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
[...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
[...]
f. Let status be CreateDataProperty(A, ToString (n), nextValue).
[...]
---*/
var values = [1, 2, 3];
var callCount = 0;
var f;
f = async function*([...x]) {
assert(Array.isArray(x));
assert.sameValue(x.length, 3);
assert.sameValue(x[0], 1);
assert.sameValue(x[1], 2);
assert.sameValue(x[2], 3);
assert.notSameValue(x, values);
callCount = callCount + 1;
};
f(values).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,39 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-init-ary.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Reset element (nested array pattern) does not support initializer (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
negative:
phase: early
type: SyntaxError
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
---*/
var callCount = 0;
var f;
f = async function*([...[ x ] = []]) {
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,39 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-init-id.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Reset element (identifier) does not support initializer (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
negative:
phase: early
type: SyntaxError
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
---*/
var callCount = 0;
var f;
f = async function*([...x = []]) {
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,39 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-init-obj.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Reset element (nested object pattern) does not support initializer (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
negative:
phase: early
type: SyntaxError
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
---*/
var callCount = 0;
var f;
f = async function*([...{ x } = []]) {
callCount = callCount + 1;
};
f([]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,39 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Rest element (array binding pattern) may not be followed by any element (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
negative:
phase: early
type: SyntaxError
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
---*/
var callCount = 0;
var f;
f = async function*([...[x], y]) {
callCount = callCount + 1;
};
f([1, 2, 3]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,39 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Rest element (identifier) may not be followed by any element (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
negative:
phase: early
type: SyntaxError
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
---*/
var callCount = 0;
var f;
f = async function*([...x, y]) {
callCount = callCount + 1;
};
f([1, 2, 3]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,39 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Rest element (object binding pattern) may not be followed by any element (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
negative:
phase: early
type: SyntaxError
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
---*/
var callCount = 0;
var f;
f = async function*([...{ x }, y]) {
callCount = callCount + 1;
};
f([1, 2, 3]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,43 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-obj-id.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Rest element containing an object binding pattern (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
---*/
var callCount = 0;
var f;
f = async function*([...{ length }]) {
assert.sameValue(length, 3);
callCount = callCount + 1;
};
f([1, 2, 3]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,51 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
// - src/dstr-binding/default/async-gen-func-expr.template
/*---
description: Rest element containing an object binding pattern (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
---*/
var callCount = 0;
var f;
f = async function*([...{ 0: v, 1: w, 2: x, 3: y, length: z }]) {
assert.sameValue(v, 7);
assert.sameValue(w, 8);
assert.sameValue(x, 9);
assert.sameValue(y, undefined);
assert.sameValue(z, 3);
assert.throws(ReferenceError, function() {
length;
});
callCount = callCount + 1;
};
f([7, 8, 9]).next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,53 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-init-iter-close.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Iterator is closed when not exhausted by pattern evaluation (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [Symbol.iterator, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
[...]
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
result).
[...]
---*/
var doneCallCount = 0;
var iter = {};
iter[Symbol.iterator] = function() {
return {
next: function() {
return { value: null, done: false };
},
return: function() {
doneCallCount += 1;
return {};
}
};
};
var callCount = 0;
var f;
f = async function*([x] = iter) {
assert.sameValue(doneCallCount, 1);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,53 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-init-iter-no-close.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Iterator is not closed when exhausted by pattern evaluation (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [Symbol.iterator, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.5 Runtime Semantics: BindingInitialization
BindingPattern : ArrayBindingPattern
[...]
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
result).
[...]
---*/
var doneCallCount = 0;
var iter = {};
iter[Symbol.iterator] = function() {
return {
next: function() {
return { value: null, done: true };
},
return: function() {
doneCallCount += 1;
return {};
}
};
};
var callCount = 0;
var f;
f = async function*([x] = iter) {
assert.sameValue(doneCallCount, 0);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,52 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-name-iter-val.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: SingleNameBinding with normal value iteration (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([x, y, z] = [1, 2, 3]) {
assert.sameValue(x, 1);
assert.sameValue(y, 2);
assert.sameValue(z, 3);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,44 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: BindingElement with array binding pattern and initializer is used (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = async function*([[x, y, z] = [4, 5, 6]] = []) {
assert.sameValue(x, 4);
assert.sameValue(y, 5);
assert.sameValue(z, 6);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,45 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: BindingElement with array binding pattern and initializer is not used (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = async function*([[x, y, z] = [4, 5, 6]] = [[7, 8, 9]]) {
assert.sameValue(x, 7);
assert.sameValue(y, 8);
assert.sameValue(z, 9);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,51 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: BindingElement with array binding pattern and initializer is used (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [generators, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var first = 0;
var second = 0;
function* g() {
first += 1;
yield;
second += 1;
};
var callCount = 0;
var f;
f = async function*([[,] = g()] = []) {
assert.sameValue(first, 1);
assert.sameValue(second, 0);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,48 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: BindingElement with array binding pattern and initializer is not used (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [generators, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
function* g() {
callCount += 1;
};
var callCount = 0;
var f;
f = async function*([[,] = g()] = [[]]) {
assert.sameValue(callCount, 0);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,46 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: BindingElement with array binding pattern and initializer is used (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var initCount = 0;
var iterCount = 0;
var iter = function*() { iterCount += 1; }();
var callCount = 0;
var f;
f = async function*([[] = function() { initCount += 1; return iter; }()] = []) {
assert.sameValue(initCount, 1);
assert.sameValue(iterCount, 0);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,44 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: BindingElement with array binding pattern and initializer is not used (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var initCount = 0;
var callCount = 0;
var f;
f = async function*([[] = function() { initCount += 1; }()] = [[23]]) {
assert.sameValue(initCount, 0);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,48 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: BindingElement with array binding pattern and initializer is used (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var values = [2, 1, 3];
var callCount = 0;
var f;
f = async function*([[...x] = values] = []) {
assert(Array.isArray(x));
assert.sameValue(x[0], 2);
assert.sameValue(x[1], 1);
assert.sameValue(x[2], 3);
assert.sameValue(x.length, 3);
assert.notSameValue(x, values);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,51 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: BindingElement with array binding pattern and initializer is not used (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
[...]
e. Else,
i. Let v be IteratorValue(next).
[...]
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var values = [2, 1, 3];
var initCount = 0;
var callCount = 0;
var f;
f = async function*([[...x] = function() { initCount += 1; }()] = [values]) {
assert(Array.isArray(x));
assert.sameValue(x[0], 2);
assert.sameValue(x[1], 1);
assert.sameValue(x[2], 3);
assert.sameValue(x.length, 3);
assert.notSameValue(x, values);
assert.sameValue(initCount, 0);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,43 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Destructuring initializer with an exhausted iterator (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([x = 23] = []) {
assert.sameValue(x, 23);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,44 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: SingleNameBinding does assign name to arrow functions (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([arrow = () => {}] = []) {
assert.sameValue(arrow.name, 'arrow');
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,46 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: SingleNameBinding assigns `name` to "anonymous" classes (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] = []) {
assert.sameValue(cls.name, 'cls');
assert.notSameValue(xCls.name, 'xCls');
assert.notSameValue(xCls2.name, 'xCls2');
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,45 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([cover = (function () {}), xCover = (0, function() {})] = []) {
assert.sameValue(cover.name, 'cover');
assert.notSameValue(xCover.name, 'xCover');
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,45 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: SingleNameBinding assigns name to "anonymous" functions (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([fn = function () {}, xFn = function x() {}] = []) {
assert.sameValue(fn.name, 'fn');
assert.notSameValue(xFn.name, 'xFn');
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,45 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: SingleNameBinding assigns name to "anonymous" generator functions (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
c. ReturnIfAbrupt(v).
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([gen = function* () {}, xGen = function* x() {}] = []) {
assert.sameValue(gen.name, 'gen');
assert.notSameValue(xGen.name, 'xGen');
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,39 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Destructuring initializer with a "hole" (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...] 6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([x = 23] = [,]) {
assert.sameValue(x, 23);
// another statement
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,48 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Destructuring initializer is not evaluated when value is not `undefined` (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var initCount = 0;
function counter() {
initCount += 1;
}
var callCount = 0;
var f;
f = async function*([w = counter(), x = counter(), y = counter(), z = counter()] = [null, 0, false, '']) {
assert.sameValue(w, null);
assert.sameValue(x, 0);
assert.sameValue(y, false);
assert.sameValue(z, '');
assert.sameValue(initCount, 0);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,42 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Destructuring initializer with an undefined value (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
6. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be GetValue(defaultValue).
[...]
7. If environment is undefined, return PutValue(lhs, v).
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([x = 23] = [undefined]) {
assert.sameValue(x, 23);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,46 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: SingleNameBinding when value iteration completes (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([x] = []) {
assert.sameValue(x, undefined);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,41 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: SingleNameBinding when value iteration was completed previously (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
[...]
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([_, x] = []) {
assert.sameValue(x, undefined);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,52 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: SingleNameBinding when value iteration was completed previously (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([x, y, z] = [1, 2, 3]) {
assert.sameValue(x, 1);
assert.sameValue(y, 2);
assert.sameValue(z, 3);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,44 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: BindingElement with object binding pattern and initializer is used (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = async function*([{ x, y, z } = { x: 44, y: 55, z: 66 }] = []) {
assert.sameValue(x, 44);
assert.sameValue(y, 55);
assert.sameValue(z, 66);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,44 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-obj-id.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: BindingElement with object binding pattern and initializer is not used (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = async function*([{ x, y, z } = { x: 44, y: 55, z: 66 }] = [{ x: 11, y: 22, z: 33 }]) {
assert.sameValue(x, 11);
assert.sameValue(y, 22);
assert.sameValue(z, 33);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,54 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: BindingElement with object binding pattern and initializer is used (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = async function*([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = []) {
assert.sameValue(v, 444);
assert.sameValue(x, 555);
assert.sameValue(z, 666);
assert.throws(ReferenceError, function() {
u;
});
assert.throws(ReferenceError, function() {
w;
});
assert.throws(ReferenceError, function() {
y;
});
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,54 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: BindingElement with object binding pattern and initializer is not used (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingElement : BindingPatternInitializer opt
[...]
2. If iteratorRecord.[[done]] is true, let v be undefined.
3. If Initializer is present and v is undefined, then
a. Let defaultValue be the result of evaluating Initializer.
b. Let v be ? GetValue(defaultValue).
4. Return the result of performing BindingInitialization of BindingPattern
with v and environment as the arguments.
---*/
var callCount = 0;
var f;
f = async function*([{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] = [{ u: 777, w: 888, y: 999 }]) {
assert.sameValue(v, 777);
assert.sameValue(x, 888);
assert.sameValue(z, 999);
assert.throws(ReferenceError, function() {
u;
});
assert.throws(ReferenceError, function() {
w;
});
assert.throws(ReferenceError, function() {
y;
});
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,49 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elision-exhausted.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Elision accepts exhausted iterator (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [generator, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
[...]
2. Return NormalCompletion(empty).
---*/
var iter = function*() {}();
iter.next();
var callCount = 0;
var f;
f = async function*([,] = iter) {
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,58 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-elision.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Elision advances iterator (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [generator, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
2. Return NormalCompletion(empty).
---*/
var first = 0;
var second = 0;
function* g() {
first += 1;
yield;
second += 1;
};
var callCount = 0;
var f;
f = async function*([,] = g()) {
assert.sameValue(first, 1);
assert.sameValue(second, 0);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,41 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-empty.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: No iteration occurs for an "empty" array binding pattern (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [generators, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ ]
1. Return NormalCompletion(empty).
---*/
var iterations = 0;
var iter = function*() {
iterations += 1;
}();
var callCount = 0;
var f;
f = async function*([] = iter) {
assert.sameValue(iterations, 0);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,65 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Rest element containing an array BindingElementList pattern (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
SingleNameBinding : BindingIdentifier Initializeropt
[...]
4. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
e. Else,
[...]
i. Let v be IteratorValue(next).
ii. If v is an abrupt completion, set
iteratorRecord.[[done]] to true.
iii. ReturnIfAbrupt(v).
5. If iteratorRecord.[[done]] is true, let v be undefined.
[...]
8. Return InitializeReferencedBinding(lhs, v).
---*/
var callCount = 0;
var f;
f = async function*([...[x, y, z]] = [3, 4, 5]) {
assert.sameValue(x, 3);
assert.sameValue(y, 4);
assert.sameValue(z, 5);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,71 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Rest element containing an elision (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [generators, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elision ]
1. Return the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
as the argument.
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
Elision : ,
1. If iteratorRecord.[[done]] is false, then
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
c. ReturnIfAbrupt(next).
d. If next is false, set iteratorRecord.[[done]] to true.
2. Return NormalCompletion(empty).
---*/
var first = 0;
var second = 0;
function* g() {
first += 1;
yield;
second += 1;
};
var callCount = 0;
var f;
f = async function*([...[,]] = g()) {
assert.sameValue(first, 1);
assert.sameValue(second, 1);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,54 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Rest element containing an "empty" array pattern (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [generators, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ ]
1. Return NormalCompletion(empty).
---*/
var iterations = 0;
var iter = function*() {
iterations += 1;
}();
var callCount = 0;
var f;
f = async function*([...[]] = iter) {
assert.sameValue(iterations, 1);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,50 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Rest element containing a rest element (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingPattern
1. Let A be ArrayCreate(0).
[...]
3. Repeat
[...]
b. If iteratorRecord.[[done]] is true, then
i. Return the result of performing BindingInitialization of
BindingPattern with A and environment as the arguments.
[...]
---*/
var values = [1, 2, 3];
var callCount = 0;
var f;
f = async function*([...[...x]] = values) {
assert(Array.isArray(x));
assert.sameValue(x.length, 3);
assert.sameValue(x[0], 1);
assert.sameValue(x[1], 2);
assert.sameValue(x[2], 3);
assert.notSameValue(x, values);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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@ -0,0 +1,46 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-id-elision.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Rest element following elision elements (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
ArrayBindingPattern : [ Elisionopt BindingRestElement ]
1. If Elision is present, then
a. Let status be the result of performing
IteratorDestructuringAssignmentEvaluation of Elision with
iteratorRecord as the argument.
b. ReturnIfAbrupt(status).
2. Return the result of performing IteratorBindingInitialization for
BindingRestElement with iteratorRecord and environment as arguments.
---*/
var values = [1, 2, 3, 4, 5];
var callCount = 0;
var f;
f = async function*([ , , ...x] = values) {
assert(Array.isArray(x));
assert.sameValue(x.length, 3);
assert.sameValue(x[0], 3);
assert.sameValue(x[1], 4);
assert.sameValue(x[2], 5);
assert.notSameValue(x, values);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,42 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: RestElement applied to an exhausted iterator (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [Symbol.iterator, async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
environment).
2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
[...]
b. If iteratorRecord.[[done]] is true, then
i. If environment is undefined, return PutValue(lhs, A).
ii. Return InitializeReferencedBinding(lhs, A).
---*/
var callCount = 0;
var f;
f = async function*([, , ...x] = [1, 2]) {
assert(Array.isArray(x));
assert.sameValue(x.length, 0);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,43 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-id.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Lone rest element (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
BindingRestElement : ... BindingIdentifier
[...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
[...]
f. Let status be CreateDataProperty(A, ToString (n), nextValue).
[...]
---*/
var values = [1, 2, 3];
var callCount = 0;
var f;
f = async function*([...x] = values) {
assert(Array.isArray(x));
assert.sameValue(x.length, 3);
assert.sameValue(x[0], 1);
assert.sameValue(x[1], 2);
assert.sameValue(x[2], 3);
assert.notSameValue(x, values);
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,39 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-init-ary.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Reset element (nested array pattern) does not support initializer (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
negative:
phase: early
type: SyntaxError
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
---*/
var callCount = 0;
var f;
f = async function*([...[ x ] = []] = []) {
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

View File

@ -0,0 +1,39 @@
// This file was procedurally generated from the following sources:
// - src/dstr-binding/ary-ptrn-rest-init-id.case
// - src/dstr-binding/default/async-gen-func-expr-dflt.template
/*---
description: Reset element (identifier) does not support initializer (async generator function expression (default parameter))
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
negative:
phase: early
type: SyntaxError
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
13.3.3 Destructuring Binding Patterns
ArrayBindingPattern[Yield] :
[ Elisionopt BindingRestElement[?Yield]opt ]
[ BindingElementList[?Yield] ]
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
---*/
var callCount = 0;
var f;
f = async function*([...x = []] = []) {
callCount = callCount + 1;
};
f().next().then(() => {
assert.sameValue(callCount, 1, 'invoked exactly once');
}).then($DONE, $DONE);

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