mirror of https://github.com/tc39/test262.git
35 lines
1.3 KiB
JavaScript
35 lines
1.3 KiB
JavaScript
// Copyright (C) 2018 Rick Waldron. All rights reserved.
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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: >
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Default AssignmentExpression (which can be recognized as an "anonymous"
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class declaration) is correctly initialized upon evaluation
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esid: sec-moduleevaluation
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info: |
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[...]
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16. Let result be the result of evaluating module.[[ECMAScriptCode]].
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[...]
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15.2.3.11 Runtime Semantics: Evaluation
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ExportDeclaration : export default AssignmentExpression;
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[...]
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3. If IsAnonymousFunctionDefinition(AssignmentExpression) is true, then
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a. Let hasNameProperty be ? HasOwnProperty(value, "name").
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b. If hasNameProperty is false, perform SetFunctionName(value,
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"default").
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4. Let env be the running execution context's LexicalEnvironment.
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5. Perform ? InitializeBoundName("*default*", value, env).
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[...]
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flags: [async, module]
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features: [dynamic-import]
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---*/
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export default (class { valueOf() { return 45; } });
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import('./eval-export-dflt-expr-cls-anon.js').then(imported => {
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assert.sameValue(new imported.default().valueOf(), 45, 'binding initialized');
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assert.sameValue(imported.default.name, 'default', 'correct name is assigned');
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}).then($DONE, $DONE).catch($DONE);
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