88 lines
3.1 KiB
JavaScript
88 lines
3.1 KiB
JavaScript
/*
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* JDK-8151809: ES6 Map/Set insertion with existing keys changes iteration order
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*
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* @test
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* @run
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* @option --language=es6
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*/
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function assertSetIteratorResult(result, expectedDone, expectedValue) {
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Assert.assertEquals(result.done, expectedDone);
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Assert.assertEquals(result.value, expectedValue);
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}
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function assertMapIteratorResult(result, expectedDone, expectedKey, expectedValue) {
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Assert.assertEquals(result.done, expectedDone);
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if (expectedDone) {
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Assert.assertEquals(result.value, undefined);
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} else {
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Assert.assertEquals(result.value[0], expectedKey);
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Assert.assertEquals(result.value[1], expectedValue);
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}
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}
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let set = new Set(["foo", "bar", "foo"]);
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let iter = set[Symbol.iterator]();
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assertSetIteratorResult(iter.next(), false, "foo");
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assertSetIteratorResult(iter.next(), false, "bar");
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assertSetIteratorResult(iter.next(), true);
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set.add ("foo");
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iter = set[Symbol.iterator]();
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assertSetIteratorResult(iter.next(), false, "foo", false);
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assertSetIteratorResult(iter.next(), false, "bar", false);
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assertSetIteratorResult(iter.next(), true);
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set.delete("foo");
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set.add ("foo");
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assertSetIteratorResult(iter.next(), true);
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iter = set[Symbol.iterator]();
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assertSetIteratorResult(iter.next(), false, "bar", false);
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assertSetIteratorResult(iter.next(), false, "foo", false);
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assertSetIteratorResult(iter.next(), true);
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let map = new Map([["foo", 1], ["bar", 2], ["foo", 3]]);
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iter = map[Symbol.iterator]();
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assertMapIteratorResult(iter.next(), false, "foo", 3);
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assertMapIteratorResult(iter.next(), false, "bar", 2);
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assertMapIteratorResult(iter.next(), true);
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map.set("foo", 4);
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iter = map[Symbol.iterator]();
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assertMapIteratorResult(iter.next(), false, "foo", 4);
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assertMapIteratorResult(iter.next(), false, "bar", 2);
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assertMapIteratorResult(iter.next(), true);
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map.delete("foo");
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map.set("foo", 5);
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assertMapIteratorResult(iter.next(), true);
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iter = map[Symbol.iterator]();
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assertMapIteratorResult(iter.next(), false, "bar", 2);
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assertMapIteratorResult(iter.next(), false, "foo", 5);
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assertMapIteratorResult(iter.next(), true);
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