mirror of
https://github.com/tc39/test262.git
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117 lines
3.2 KiB
JavaScript
117 lines
3.2 KiB
JavaScript
// 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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esid: sec-module-namespace-exotic-objects-defineownproperty-p-desc
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description: >
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The [[DefineOwnProperty]] internal method returns `true` if no change is
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requested, and `false` otherwise.
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flags: [module]
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features: [Symbol.iterator, Reflect, Symbol, Symbol.toStringTag]
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---*/
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import * as ns from './define-own-property.js';
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export var local1;
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var local2;
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export { local2 as renamed };
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export { local1 as indirect } from './define-own-property.js';
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var sym = Symbol('test262');
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const exported = ['local1', 'renamed', 'indirect'];
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// Non-existant properties.
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for (const key of ['local2', 0, sym, Symbol.iterator]) {
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assert.sameValue(
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Reflect.defineProperty(ns, key, {}),
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false,
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'Reflect.defineProperty: ' + key.toString()
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);
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assert.throws(TypeError, function() {
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Object.defineProperty(ns, key, {});
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}, 'Object.defineProperty: ' + key.toString());
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}
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// Own properties. No change requested.
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for (const key of ([...exported, Symbol.toStringTag])) {
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assert.sameValue(
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Reflect.defineProperty(ns, key, {}),
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true,
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'Reflect.defineProperty: ' + key.toString()
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);
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assert.sameValue(
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Object.defineProperty(ns, key, {}),
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ns,
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'Object.defineProperty: ' + key.toString()
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);
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}
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assert.sameValue(
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Reflect.defineProperty(ns, 'indirect',
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{writable: true, enumerable: true, configurable: false}),
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true,
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'Reflect.defineProperty: indirect'
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);
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assert.sameValue(
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Object.defineProperty(ns, 'indirect',
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{writable: true, enumerable: true, configurable: false}),
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ns,
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'Object.defineProperty: indirect'
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);
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assert.sameValue(
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Reflect.defineProperty(ns, Symbol.toStringTag,
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{value: "Module", writable: false, enumerable: false,
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configurable: false}),
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true,
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'Reflect.defineProperty: Symbol.toStringTag'
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);
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assert.sameValue(
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Object.defineProperty(ns, Symbol.toStringTag,
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{value: "Module", writable: false, enumerable: false,
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configurable: false}),
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ns,
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'Object.defineProperty: Symbol.toStringTag'
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);
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// Own properties. Change requested.
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for (const key of ([...exported, Symbol.toStringTag])) {
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assert.sameValue(
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Reflect.defineProperty(ns, key, {value: 123}),
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false,
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'Reflect.defineProperty: ' + key.toString()
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);
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assert.throws(TypeError, function() {
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Object.defineProperty(ns, key, {value: 123});
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}, 'Object.defineProperty: ' + key.toString());
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}
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assert.sameValue(
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Reflect.defineProperty(ns, 'indirect',
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{writable: true, enumerable: true, configurable: true}),
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false,
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'Reflect.defineProperty: indirect'
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);
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assert.throws(TypeError, function() {
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Object.defineProperty(ns, 'indirect',
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{writable: true, enumerable: true, configurable: true});
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}, 'Object.defineProperty: indirect');
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assert.sameValue(
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Reflect.defineProperty(ns, Symbol.toStringTag,
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{value: "module", writable: false, enumerable: false,
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configurable: false}),
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false,
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'Reflect.defineProperty: Symbol.toStringTag'
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);
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assert.throws(TypeError, function() {
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Object.defineProperty(ns, Symbol.toStringTag,
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{value: "module", writable: false, enumerable: false,
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configurable: false});
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}, 'Object.defineProperty: Symbol.toStringTag');
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