mirror of https://github.com/tc39/test262.git
51 lines
1.3 KiB
JavaScript
51 lines
1.3 KiB
JavaScript
// Copyright (C) 2020 Alexey Shvayka. 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-reflect.ownkeys
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description: >
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Property names are returned in ascending chronological order of creation
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that is unaffected by [[DefineOwnProperty]].
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info: |
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Reflect.ownKeys ( target )
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[...]
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2. Let keys be ? target.[[OwnPropertyKeys]]().
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3. Return CreateArrayFromList(keys).
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OrdinaryOwnPropertyKeys ( O )
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[...]
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4. For each own property key P of O that is a Symbol, in ascending
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chronological order of property creation, do
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a. Add P as the last element of keys.
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5. Return keys.
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[[OwnPropertyKeys]] ( )
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[...]
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7. For each own property key P of O such that Type(P) is String and P is not
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an array index, in ascending chronological order of property creation, do
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a. Add P as the last element of keys.
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[...]
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9. Return keys.
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features: [Symbol, Reflect]
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includes: [compareArray.js]
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---*/
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var obj = {};
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var symA = Symbol("a");
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var symB = Symbol("b");
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obj[symA] = 1;
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obj[symB] = 2;
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Object.defineProperty(obj, symA, {configurable: false});
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assert.compareArray(Reflect.ownKeys(obj), [symA, symB]);
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var str = new String("");
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str.a = 1;
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str.b = 2;
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Object.defineProperty(str, "a", {
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get: function() {},
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});
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assert.compareArray(Reflect.ownKeys(str), ["length", "a", "b"]);
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