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