test262/test/language/expressions/dynamic-import/eval-export-dflt-cls-anon.js

37 lines
1.3 KiB
JavaScript

// Copyright (C) 2018 Rick Waldron. All rights reserved.
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Default "anonymous" class declaration is correctly initialized upon
evaluation
esid: sec-moduleevaluation
info: |
[...]
16. Let result be the result of evaluating module.[[ECMAScriptCode]].
[...]
Runtime Semantics: Evaluation
ExportDeclaration : export default ClassDeclaration
[...]
3. Let className be the sole element of BoundNames of ClassDeclaration.
4. If className is "*default*", then
a. Let hasNameProperty be ? HasOwnProperty(value, "name").
b. If hasNameProperty is false, perform SetFunctionName(value,
"default").
c. Let env be the running execution context's LexicalEnvironment.
d. Perform ? InitializeBoundName("*default*", value, env).
5. Return NormalCompletion(empty).
flags: [async, module]
features: [dynamic-import]
---*/
export default class { valueOf() { return 45; } }
import('./eval-export-dflt-cls-anon.js').then(imported => {
assert.sameValue(new imported.default().valueOf(), 45, 'binding initialized');
assert.sameValue(imported.default.name, 'default', 'correct name is assigned');
}).then($DONE, $DONE).catch($DONE);