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Dynamic Imports: initial cases, templates, non-generated tests and fixtures

This commit is contained in:
Rick Waldron 2018-06-05 14:17:20 -04:00
parent dfac9f35a9
commit c77078809c
76 changed files with 1946 additions and 0 deletions
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4
features.txt
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@ -30,6 +30,10 @@ class-static-methods-private
# https://github.com/tc39/proposal-private-methods
class-methods-private
# Dynamic Import
# https://github.com/tc39/proposal-dynamic-import
dynamic-import
# Promise.prototype.finally
# https://github.com/tc39/proposal-promise-finally
Promise.prototype.finally

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-arrow-import-catch-
name: nested arrow
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
let f = () => {
import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
};
f();

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src/dynamic-import/catch/nested-async-function-await.template Normal file
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@ -0,0 +1,34 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-async-function-await-
name: nested in async function, awaited
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
async function f() {
await import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
}
f();

34
src/dynamic-import/catch/nested-async-function-return-await.template Normal file
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@ -0,0 +1,34 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-async-function-return-await-
name: nested in async function, returns awaited
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
async function f() {
return await import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
}
f();

35
src/dynamic-import/catch/nested-async-function.template Normal file
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@ -0,0 +1,35 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-async-function-
name: nested in async function
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
async function f() {
import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
}
f();

32
src/dynamic-import/catch/nested-block-labeled.template Normal file
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@ -0,0 +1,32 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-block-labeled-
name: nested block syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
label: {
import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
};

32
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@ -0,0 +1,32 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-block-import-catch-
name: nested block
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
{
import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
};

32
src/dynamic-import/catch/nested-do-while.template Normal file
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@ -0,0 +1,32 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-do-while-
name: nested do syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
do {
import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
} while (false);

34
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@ -0,0 +1,34 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-do-import-catch-
name: nested do
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
let x = 0;
do {
x++;
import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
} while (!x);

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@ -0,0 +1,34 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-else-import-catch-
name: nested else
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
if (false) {
} else {
import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
}

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@ -0,0 +1,33 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-function-import-catch-
name: nested function
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
function f() {
import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
}
f();

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src/dynamic-import/catch/nested-if.template Normal file
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@ -0,0 +1,32 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-if-import-catch-
name: nested if
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
if (true) {
import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
}

32
src/dynamic-import/catch/nested-labeled-block.template Normal file
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@ -0,0 +1,32 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-labeled-block-import-catch-
name: nested labeled block
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
{
import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
};

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src/dynamic-import/catch/nested-while.template Normal file
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@ -0,0 +1,34 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-nested-while-import-catch-
name: nested while
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
let x = 0;
while (!x) {
x++;
import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);
};

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@ -0,0 +1,30 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/catch-top-level-import-catch-
name: top level
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
import(/*{ params }*/).catch(error => {
/*{ body }*/
}).then($DONE, $DONE);

33
src/dynamic-import/default/nested-arrow-assignment-expression.template Normal file
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@ -0,0 +1,33 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-arrow-assignment-expression-
name: nested arrow
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
let f = () => import(/*{ params }*/).then(imported => {
/*{ body }*/
});
f().then($DONE, $DONE).catch($DONE);

35
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@ -0,0 +1,35 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-arrow-import-then-
name: nested arrow
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
let f = () => {
return import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
};
f();

34
src/dynamic-import/default/nested-async-function-await.template Normal file
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@ -0,0 +1,34 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-async-function-await-
name: nested in async function, awaited
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
async function f() {
await import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
}
f();

34
src/dynamic-import/default/nested-async-function-return-await.template Normal file
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@ -0,0 +1,34 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-async-function-return-await-
name: nested in async function, returns awaited
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
async function f() {
return await import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
}
f();

35
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@ -0,0 +1,35 @@
// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-async-function-
name: nested in async function
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
async function f() {
import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
}
f();

32
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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-block-labeled-
name: nested block syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
label: {
import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
};

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-block-import-then-
name: nested block
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
{
import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
};

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-do-while-
name: nested do syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
do {
import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
} while (false);

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-do-import-then-
name: nested do
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
let x = 0;
do {
x++;
import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
} while (!x);

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-else-import-then-
name: nested else
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
if (false) {
} else {
import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
}

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-function-import-then-
name: nested function
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
function f() {
import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
}
f();

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-if-braceless-
name: nested if syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
if (true) import(/*{ params }*/);

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-if-import-then-
name: nested if
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
if (true) {
import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
}

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-labeled-block-import-then-
name: nested block
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
{
import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
};

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/nested-while-import-then-
name: nested while
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
let x = 0;
while (!x) {
x++;
import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);
};

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/top-level-import-then-
name: top level
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
import(/*{ params }*/).then(imported => {
/*{ body }*/
}).then($DONE, $DONE).catch($DONE);

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: It's a SyntaxError if AssignmentExpression is omitted
template: syntax
negative:
phase: parse
type: SyntaxError
info: |
ImportCall :
import()
---*/
//- setup
throw "Test262: This statement should not be evaluated.";
//- params
//- teardown
/* The params region intentionally empty */

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: Calling import('')
template: syntax
---*/
//- params
''

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: >
Modifications to named bindings that occur after dependency has been
evaluated are reflected in local binding
info: |
GetBindingValue (N, S)
[...]
3. If the binding for N is an indirect binding, then
a. Let M and N2 be the indirection values provided when this binding for
N was created.
b. Let targetEnv be M.[[Environment]].
c. If targetEnv is undefined, throw a ReferenceError exception.
d. Let targetER be targetEnv's EnvironmentRecord.
e. Return ? targetER.GetBindingValue(N2, S).
includes: [fnGlobalObject.js]
template: default
flags: [async]
---*/
//- params
'./eval-gtbndng-indirect-update-as_FIXTURE.js'
//- body
assert.sameValue(imported.x, 1);
// This function is exposed on the global scope (instead of as an imported
// binding) in order to avoid possible false positives from assuming correct
// behavior of the semantics under test.
fnGlobalObject().test262update();
assert.sameValue(imported.x, 2);

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: >
Modifications to default binding that occur after dependency has been
evaluated are reflected in local binding
info: |
GetBindingValue (N, S)
[...]
3. If the binding for N is an indirect binding, then
a. Let M and N2 be the indirection values provided when this binding for
N was created.
b. Let targetEnv be M.[[Environment]].
c. If targetEnv is undefined, throw a ReferenceError exception.
d. Let targetER be targetEnv's EnvironmentRecord.
e. Return ? targetER.GetBindingValue(N2, S).
template: default
flags: [async]
---*/
//- params
'./eval-gtbndng-indirect-update-dflt_FIXTURE.js'
//- body
assert.sameValue(imported.default(), 1);
assert.sameValue(imported.default, 2);

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: >
Modifications to named bindings that occur after dependency has been
evaluated are reflected in local binding
esid: sec-moduleevaluation
info: |
GetBindingValue (N, S)
[...]
3. If the binding for N is an indirect binding, then
a. Let M and N2 be the indirection values provided when this binding for
N was created.
b. Let targetEnv be M.[[Environment]].
c. If targetEnv is undefined, throw a ReferenceError exception.
d. Let targetER be targetEnv's EnvironmentRecord.
e. Return ? targetER.GetBindingValue(N2, S).
includes: [fnGlobalObject.js]
template: default
flags: [async]
---*/
//- params
'./eval-gtbndng-indirect-update_FIXTURE.js'
//- body
assert.sameValue(imported.x, 1);
// This function is exposed on the global scope (instead of as an exported
// binding) in order to avoid possible false positives from assuming correct
// behavior of the semantics under test.
fnGlobalObject().test262update();
assert.sameValue(imported.x, 2);

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: >
Abrupt completion during module evaluation precludes further evaluation
esid: sec-moduleevaluation
info: |
[...]
6. For each String required that is an element of
module.[[RequestedModules]] do,
a. Let requiredModule be ? HostResolveImportedModule(module, required).
b. Perform ? requiredModule.ModuleEvaluation().
template: catch
flags: [async]
---*/
//- params
'./eval-rqstd-abrupt-err-type_FIXTURE.js'
//- body
assert.sameValue(error.name, 'TypeError');

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: >
Abrupt completion during module evaluation precludes further evaluation
esid: sec-moduleevaluation
info: |
[...]
6. For each String required that is an element of
module.[[RequestedModules]] do,
a. Let requiredModule be ? HostResolveImportedModule(module, required).
b. Perform ? requiredModule.ModuleEvaluation().
template: catch
flags: [async]
---*/
//- params
'./eval-rqstd-abrupt-err-uri_FIXTURE.js'
//- body
assert.sameValue(error.name, 'URIError');

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: IndirectExportEntries validation - ambiguous imported bindings
esid: sec-moduledeclarationinstantiation
info: |
[...]
9. For each ExportEntry Record e in module.[[IndirectExportEntries]], do
a. Let resolution be ? module.ResolveExport(e.[[ExportName]], « », « »).
b. If resolution is null or resolution is "ambiguous", throw a
SyntaxError exception.
[...]
15.2.1.16.3 ResolveExport
[...]
9. Let starResolution be null.
10. For each ExportEntry Record e in module.[[StarExportEntries]], do
a. Let importedModule be ? HostResolveImportedModule(module,
e.[[ModuleRequest]]).
b. Let resolution be ? importedModule.ResolveExport(exportName,
resolveSet, exportStarSet).
c. If resolution is "ambiguous", return "ambiguous".
d. If resolution is not null, then
i. If starResolution is null, let starResolution be resolution.
ii. Else,
1. Assert: there is more than one * import that includes the
requested name.
2. If resolution.[[Module]] and starResolution.[[Module]] are
not the same Module Record or
SameValue(resolution.[[BindingName]],
starResolution.[[BindingName]]) is false, return "ambiguous".
template: catch
flags: [async]
---*/
//- params
'./instn-iee-err-ambiguous-export.js'
//- body
assert.sameValue(error.name, 'SyntaxError');

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: IndirectExportEntries validation - circular imported bindings
esid: sec-moduledeclarationinstantiation
info: |
[...]
9. For each ExportEntry Record e in module.[[IndirectExportEntries]], do
a. Let resolution be ? module.ResolveExport(e.[[ExportName]], « », « »).
b. If resolution is null or resolution is "ambiguous", throw a
SyntaxError exception.
[...]
15.2.1.16.3 ResolveExport
[...]
2. For each Record {[[Module]], [[ExportName]]} r in resolveSet, do:
a. If module and r.[[Module]] are the same Module Record and
SameValue(exportName, r.[[ExportName]]) is true, then
i. Assert: this is a circular import request.
ii. Return null.
template: catch
flags: [async]
---*/
//- params
'./instn-iee-err-circular-1_FIXTURE.js'
//- body
assert.sameValue(error.name, 'SyntaxError');

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: IndirectExportEntries validation - undefined imported bindings
esid: sec-moduledeclarationinstantiation
info: |
[...]
9. For each ExportEntry Record e in module.[[IndirectExportEntries]], do
a. Let resolution be ? module.ResolveExport(e.[[ExportName]], « », « »).
b. If resolution is null or resolution is "ambiguous", throw a
SyntaxError exception.
[...]
15.2.1.16.3 ResolveExport
[...]
9. Let starResolution be null.
10. For each ExportEntry Record e in module.[[StarExportEntries]], do
[...]
11. Return starResolution.
template: catch
flags: [async]
---*/
//- params
'./instn-iee-err-not-found-empty_FIXTURE.js'
//- body
assert.sameValue(error.name, 'SyntaxError');

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: Dynamic import() returns a Promise object.
template: default
flags: [async]
---*/
//- params
'./dynamic-import-module_FIXTURE.js'
//- body
assert.sameValue(imported.x, 1);

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-arrow-assignment-expression-
name: nested arrow syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
let f = () => import(/*{ params }*/);

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-arrow-
name: nested arrow syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
let f = () => {
import(/*{ params }*/);
};

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-arrow-
name: nested arrow syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
async function f() {
await import(/*{ params }*/);
}

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-arrow-
name: nested arrow syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
async function f() {
return await import(/*{ params }*/);
}

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-arrow-
name: nested arrow syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
async function f() {
import(/*{ params }*/);
}

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-block-labeled-
name: nested block syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
label: {
import(/*{ params }*/);
};

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-block-
name: nested block syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
{
import(/*{ params }*/);
};

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-do-while-
name: nested do syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
do {
import(/*{ params }*/);
} while (false);

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-do-
name: nested do syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
let x = 0;
do {
x++;
import(/*{ params }*/);
} while (!x);

28
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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-else-braceless-
name: nested else syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
if (false) {
} else import(/*{ params }*/);

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-else-
name: nested else syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
if (false) {
} else {
import(/*{ params }*/);
}

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-function-return-
name: nested function syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
function fn() {
return import(/*{ params }*/);
}

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-function-
name: nested function syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
function fn() {
import(/*{ params }*/);
}

26
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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-if-braceless-
name: nested if syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
if (true) import(/*{ params }*/);

28
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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-if-
name: nested if syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
if (true) {
import(/*{ params }*/);
}

28
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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-labeled-block-
name: nested block syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
{
import(/*{ params }*/);
};

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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-nested-while-
name: nested while syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
1. Let referencingScriptOrModule be ! GetActiveScriptOrModule().
2. Assert: referencingScriptOrModule is a Script Record or Module Record (i.e. is not null).
3. Let argRef be the result of evaluating AssignmentExpression.
4. Let specifier be ? GetValue(argRef).
5. Let promiseCapability be ! NewPromiseCapability(%Promise%).
6. Let specifierString be ToString(specifier).
7. IfAbruptRejectPromise(specifierString, promiseCapability).
8. Perform ! HostImportModuleDynamically(referencingScriptOrModule, specifierString, promiseCapability).
9. Return promiseCapability.[[Promise]].
flags: [module]
features: [dynamic-import]
---*/
let x = 0;
while (!x) {
x++;
import(/*{ params }*/);
};

16
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// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
path: language/module-code/dynamic-import/syntax-top-level-
name: top level syntax
esid: sec-import-call-runtime-semantics-evaluation
info: |
ImportCall :
import( AssignmentExpression )
flags: [module]
features: [dynamic-import]
---*/
import(/*{ params }*/);

4
test/language/module-code/dynamic-import/dynamic-import-module_FIXTURE.js Normal file
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@ -0,0 +1,4 @@
// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
export var x = 1;

9
test/language/module-code/dynamic-import/eval-gtbndng-indirect-update-as_FIXTURE.js Normal file
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@ -0,0 +1,9 @@
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
var x = 1;
export { x };
Function('return this;')().test262update = function() {
x = 2;
};

7
test/language/module-code/dynamic-import/eval-gtbndng-indirect-update-dflt_FIXTURE.js Normal file
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@ -0,0 +1,7 @@
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
export default function fn() {
fn = 2;
return 1;
}

9
test/language/module-code/dynamic-import/eval-gtbndng-indirect-update_FIXTURE.js Normal file
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@ -0,0 +1,9 @@
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
var x = 1;
export { x };
Function('return this;')().test262update = function() {
x = 2;
};

4
test/language/module-code/dynamic-import/eval-rqstd-abrupt-err-type_FIXTURE.js Normal file
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@ -0,0 +1,4 @@
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
throw new TypeError();

4
test/language/module-code/dynamic-import/eval-rqstd-abrupt-err-uri_FIXTURE.js Normal file
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@ -0,0 +1,4 @@
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
throw new URIError();

31
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Requested modules are evaluated exactly once
esid: sec-moduleevaluation
info: |
[...]
4. If module.[[Evaluated]] is true, return undefined.
5. Set module.[[Evaluated]] to true.
6. For each String required that is an element of module.[[RequestedModules]] do,
a. Let requiredModule be ? HostResolveImportedModule(module, required).
b. Perform ? requiredModule.ModuleEvaluation().
[...]
includes: [fnGlobalObject.js]
flags: [async, module]
features: [dynamic-import]
---*/
var global = fnGlobalObject();
Promise.all([
import('./eval-rqstd-once_FIXTURE.js'),
import('./eval-rqstd-once_FIXTURE.js'),
import('./eval-rqstd-once_FIXTURE.js'),
]).then((...importeds) => {
assert.sameValue(global.test262, 262, 'global property was defined');
}).then($DONE, $DONE);

15
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
export default null;
var global = Function('return this;')();
if (global.test262) {
throw new Error('Module was evaluated more than once.');
}
global.test262 = 262;
if (global.test262 !== 262) {
throw new Error('Module was unable to signal evaluation.');
}

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// Copyright (C) 2018 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Module is evaluated exactly once
esid: sec-moduleevaluation
info: |
[...]
4. If module.[[Evaluated]] is true, return undefined.
5. Set module.[[Evaluated]] to true.
6. For each String required that is an element of module.[[RequestedModules]] do,
a. Let requiredModule be ? HostResolveImportedModule(module, required).
b. Perform ? requiredModule.ModuleEvaluation().
[...]
includes: [fnGlobalObject.js]
flags: [async,module]
features: [dynamic-import]
---*/
var global = fnGlobalObject();
if (typeof global.evaluated === 'undefined') {
global.evaluated = 0;
}
global.evaluated++;
Promise.all([
import('./eval-self-once.js'),
import('./eval-self-once.js'),
]).then((...importeds) => {
assert.sameValue(global.evaluated, 1, 'global property was defined and incremented only once');
}).then($DONE, $DONE);

4
test/language/module-code/dynamic-import/instn-iee-err-ambiguous-1_FIXTURE.js Normal file
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@ -0,0 +1,4 @@
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
export var x;

4
test/language/module-code/dynamic-import/instn-iee-err-ambiguous-2_FIXTURE.js Normal file
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@ -0,0 +1,4 @@
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
export var x;

39
test/language/module-code/dynamic-import/instn-iee-err-ambiguous-export.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: IndirectExportEntries validation - ambiguous imported bindings
esid: sec-moduledeclarationinstantiation
info: |
[...]
9. For each ExportEntry Record e in module.[[IndirectExportEntries]], do
a. Let resolution be ? module.ResolveExport(e.[[ExportName]], « », « »).
b. If resolution is null or resolution is "ambiguous", throw a
SyntaxError exception.
[...]
15.2.1.16.3 ResolveExport
[...]
9. Let starResolution be null.
10. For each ExportEntry Record e in module.[[StarExportEntries]], do
a. Let importedModule be ? HostResolveImportedModule(module,
e.[[ModuleRequest]]).
b. Let resolution be ? importedModule.ResolveExport(exportName,
resolveSet, exportStarSet).
c. If resolution is "ambiguous", return "ambiguous".
d. If resolution is not null, then
i. If starResolution is null, let starResolution be resolution.
ii. Else,
1. Assert: there is more than one * import that includes the
requested name.
2. If resolution.[[Module]] and starResolution.[[Module]] are
not the same Module Record or
SameValue(resolution.[[BindingName]],
starResolution.[[BindingName]]) is false, return "ambiguous".
negative:
phase: runtime
type: SyntaxError
flags: [module]
---*/
export { x } from './instn-iee-err-ambiguous_FIXTURE.js';

5
test/language/module-code/dynamic-import/instn-iee-err-ambiguous_FIXTURE.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
export * from './instn-iee-err-ambiguous-1_FIXTURE.js';
export * from './instn-iee-err-ambiguous-2_FIXTURE.js';

4
test/language/module-code/dynamic-import/instn-iee-err-circular-1_FIXTURE.js Normal file
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@ -0,0 +1,4 @@
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
export { x } from './instn-iee-err-circular-2_FIXTURE.js';

4
test/language/module-code/dynamic-import/instn-iee-err-circular-2_FIXTURE.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
export { x } from './instn-iee-err-circular-1_FIXTURE.js';

4
test/language/module-code/dynamic-import/instn-iee-err-not-found-empty_FIXTURE.js Normal file
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
;