mirror of https://github.com/tc39/test262.git
64 lines
2.2 KiB
JavaScript
64 lines
2.2 KiB
JavaScript
// Copyright (C) 2016 the V8 project authors. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
/*---
|
|
description: >
|
|
Imported binding reflects state of indirectly-exported generator function
|
|
binding
|
|
esid: sec-moduledeclarationinstantiation
|
|
info: |
|
|
[...]
|
|
12. For each ImportEntry Record in in module.[[ImportEntries]], do
|
|
a. Let importedModule be ? HostResolveImportedModule(module,
|
|
in.[[ModuleRequest]]).
|
|
b. If in.[[ImportName]] is "*", then
|
|
[...]
|
|
c. Else,
|
|
i. Let resolution be ?
|
|
importedModule.ResolveExport(in.[[ImportName]], « », « »).
|
|
ii. If resolution is null or resolution is "ambiguous", throw a
|
|
SyntaxError exception.
|
|
iii. Call envRec.CreateImportBinding(in.[[LocalName]],
|
|
resolution.[[Module]], resolution.[[BindingName]]).
|
|
[...]
|
|
16. Let lexDeclarations be the LexicallyScopedDeclarations of code.
|
|
17. For each element d in lexDeclarations do
|
|
a. For each element dn of the BoundNames of d do
|
|
i, If IsConstantDeclaration of d is true, then
|
|
[...]
|
|
ii. Else,
|
|
1. Perform ! envRec.CreateMutableBinding(dn, false).
|
|
iii. If d is a GeneratorDeclaration production or a
|
|
FunctionDeclaration production, then
|
|
[...]
|
|
|
|
8.1.1.5.5 CreateImportBinding
|
|
|
|
[...]
|
|
5. Create an immutable indirect binding in envRec for N that references M
|
|
and N2 as its target binding and record that the binding is initialized.
|
|
6. Return NormalCompletion(empty).
|
|
flags: [module]
|
|
features: [generators]
|
|
---*/
|
|
|
|
assert.sameValue(
|
|
B().next().value,
|
|
455,
|
|
'binding is initialized to function value prior to module evaluation'
|
|
);
|
|
|
|
assert.throws(TypeError, function() {
|
|
B = null;
|
|
});
|
|
|
|
assert.sameValue(B().next().value, 455, 'binding value is immutable');
|
|
|
|
import { B, results } from './instn-iee-bndng-gen_FIXTURE.js';
|
|
export function* A () { return 455; }
|
|
|
|
assert.sameValue(results.length, 4);
|
|
assert.sameValue(results[0], 'ReferenceError');
|
|
assert.sameValue(results[1], 'undefined');
|
|
assert.sameValue(results[2], 'ReferenceError');
|
|
assert.sameValue(results[3], 'undefined');
|