mirror of https://github.com/tc39/test262.git
62 lines
1.7 KiB
JavaScript
62 lines
1.7 KiB
JavaScript
// Copyright (C) 2018 André Bargull. 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-object.assign
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description: >
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Symbol-valued properties are copied after String-valued properties.
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info: |
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19.1.2.1 Object.assign ( target, ...sources )
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...
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4. For each element nextSource of sources, in ascending index order, do
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a. ...
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b. Else,
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i. Let from be ! ToObject(nextSource).
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ii. Let keys be ? from.[[OwnPropertyKeys]]().
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c. For each element nextKey of keys in List order, do
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...
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...
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9.1.11.1 OrdinaryOwnPropertyKeys ( O )
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...
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3. For each own property key P of O that is a String but is not an integer index,
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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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4. For each own property key P of O that is a Symbol, in ascending chronological
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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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includes: [compareArray.js]
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---*/
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var log = [];
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var sym1 = Symbol("x");
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var sym2 = Symbol("y");
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var source = {};
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Object.defineProperty(source, sym1, {
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get: function(){ log.push("get sym(x)") },
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enumerable: true, configurable: true,
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});
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Object.defineProperty(source, "a", {
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get: function(){ log.push("get a") },
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enumerable: true, configurable: true,
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});
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Object.defineProperty(source, sym2, {
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get: function(){ log.push("get sym(y)") },
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enumerable: true, configurable: true,
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});
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Object.defineProperty(source, "b", {
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get: function(){ log.push("get b") },
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enumerable: true, configurable: true,
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});
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var target = Object.assign({}, source);
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assert.compareArray(log, ["get a", "get b", "get sym(x)", "get sym(y)"]);
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