mirror of https://github.com/tc39/test262.git
95 lines
3.2 KiB
JavaScript
95 lines
3.2 KiB
JavaScript
// This file was procedurally generated from the following sources:
|
|
// - src/dstr-binding/ary-name-iter-val.case
|
|
// - src/dstr-binding/default/cls-decl-gen-meth-dflt.template
|
|
/*---
|
|
description: SingleNameBinding with normal value iteration (class expression method (default parameters))
|
|
esid: sec-class-definitions-runtime-semantics-evaluation
|
|
es6id: 14.5.16
|
|
features: [destructuring-binding, default-parameters]
|
|
flags: [generated]
|
|
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.
|
|
[...]
|
|
|
|
14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
|
|
|
|
GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
|
|
|
|
1. Let propKey be the result of evaluating PropertyName.
|
|
2. ReturnIfAbrupt(propKey).
|
|
3. If the function code for this GeneratorMethod 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 GeneratorFunctionCreate(Method,
|
|
StrictFormalParameters, GeneratorBody, scope, strict).
|
|
|
|
9.2.1 [[Call]] ( thisArgument, argumentsList)
|
|
|
|
[...]
|
|
7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
|
|
[...]
|
|
|
|
9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
|
|
|
|
1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
|
|
[...]
|
|
|
|
9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
|
|
|
|
[...]
|
|
23. Let iteratorRecord be Record {[[iterator]]:
|
|
CreateListIterator(argumentsList), [[done]]: false}.
|
|
24. If hasDuplicates is true, then
|
|
[...]
|
|
25. Else,
|
|
b. Let formalStatus be IteratorBindingInitialization for formals with
|
|
iteratorRecord and env as 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;
|
|
class C {
|
|
*method([x, y, z] = [1, 2, 3]) {
|
|
assert.sameValue(x, 1);
|
|
assert.sameValue(y, 2);
|
|
assert.sameValue(z, 3);
|
|
callCount = callCount + 1;
|
|
}
|
|
};
|
|
|
|
new C().method().next();
|
|
assert.sameValue(callCount, 1, 'method invoked exactly once');
|