mirror of https://github.com/tc39/test262.git
32 lines
1.0 KiB
JavaScript
32 lines
1.0 KiB
JavaScript
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// Copyright (C) 2016 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: Immutable binding is created for module namespace object
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esid: sec-moduledeclarationinstantiation
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info: |
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[...]
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12. For each ImportEntry Record in in module.[[ImportEntries]], do
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a. Let importedModule be ? HostResolveImportedModule(module,
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in.[[ModuleRequest]]).
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b. If in.[[ImportName]] is "*", then
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i. Let namespace be ? GetModuleNamespace(importedModule).
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ii. Perform ! envRec.CreateImmutableBinding(in.[[LocalName]], true).
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iii. Call envRec.InitializeBinding(in.[[LocalName]], namespace).
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[...]
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flags: [module]
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---*/
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assert.sameValue(
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typeof ns, 'object', 'binding is initialized prior to module evaluation'
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);
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var original = ns;
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assert.throws(TypeError, function() {
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ns = null;
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}, 'binding rejects assignment');
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assert.sameValue(ns, original, 'binding value is immutable');
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import * as ns from './instn-star-binding.js';
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