1 /* 2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * JDK-8147558: Add support for ES6 collections 26 * 27 * @test 28 * @run 29 * @option --language=es6 30 */ 31 32 function assertThrows(src, error) { 33 try { 34 eval(src); 35 Assert.fail("No error, expected " + error); 36 } catch (e) { 37 if (!(e instanceof error)) { 38 Assert.fail("Wrong error, expected " + error + " but got " + e); 39 } 40 } 41 } 42 43 // Set constructor and prototype 44 45 var desc = Object.getOwnPropertyDescriptor(this, "Set"); 46 Assert.assertEquals(desc.writable, true); 47 Assert.assertEquals(desc.configurable, true); 48 Assert.assertEquals(desc.enumerable, false); 49 50 Assert.assertTrue(Object.getPrototypeOf(new Set()) === Set.prototype); 51 Assert.assertTrue(Object.getPrototypeOf(Set.prototype) === Object.prototype); 52 Assert.assertTrue(new Set().size === 0); 53 Assert.assertTrue(Object.getPrototypeOf(new Set(["a", 3, false])) === Set.prototype); 54 Assert.assertTrue(new Set(["a", 3, false]).size === 3); 55 Assert.assertTrue(new Set("abc").size === 3); 56 Assert.assertTrue(new Set("").size === 0); 57 Assert.assertTrue(new Set([]).size === 0); 58 59 assertThrows("Set()", TypeError); 60 assertThrows("new Set(3)", TypeError); 61 assertThrows("new Set({})", TypeError); 62 63 assertThrows("Set.prototype.add.apply({}, [''])", TypeError); 64 assertThrows("Set.prototype.has.apply(3, [''])", TypeError); 65 assertThrows("Set.prototype.delete.apply('', [3])", TypeError); 66 67 // Set methods 68 69 var s = new Set(["a", 3, false]); 70 Assert.assertTrue(s.size, 2); 71 Assert.assertTrue(s.has("a") === true); 72 Assert.assertTrue(s.has(3) === true); 73 Assert.assertTrue(s.has(false) === true); 74 75 Assert.assertTrue(s.clear() === undefined); 76 Assert.assertTrue(s.size === 0); 77 Assert.assertTrue(s.has("a") === false); 78 Assert.assertTrue(s.has(3) === false); 79 Assert.assertTrue(s.has(false) === false); 80 81 var a = "a", x = "x"; // for ConsString keys 82 Assert.assertTrue(s.add("ab", false) === s); 83 Assert.assertTrue(s.add(x + "y", s) === s); 84 Assert.assertTrue(s.has(a + "b") === true); 85 Assert.assertTrue(s.has("xy") === true); 86 87 // Special keys 88 89 s.clear() 90 Assert.assertTrue(s.add(NaN) === s); // NaN should work as key 91 Assert.assertTrue(s.size === 1); 92 Assert.assertTrue(isNaN(s.keys().next().value)); 93 Assert.assertTrue(isNaN(s.values().next().value)); 94 Assert.assertTrue(s.has(NaN) === true); 95 Assert.assertTrue(s.delete(NaN) === true); 96 Assert.assertTrue(s.size === 0); 97 Assert.assertTrue(s.keys().next().done); 98 Assert.assertTrue(s.values().next().done); 99 Assert.assertTrue(s.has(NaN) === false); 100 101 s.clear() 102 s.add(-0); // -0 key should be converted to +0 103 Assert.assertTrue(s.size === 1); 104 Assert.assertTrue(1 / s.keys().next().value === Infinity); 105 Assert.assertTrue(1 / s.values().next().value === Infinity); 106 Assert.assertTrue(s.has(-0) === true); 107 Assert.assertTrue(s.has(0) === true); 108 Assert.assertTrue(s.delete(-0) === true); 109 Assert.assertTrue(s.size === 0); 110 Assert.assertTrue(s.has(-0) === false); 111 Assert.assertTrue(s.has(0) === false); 112 113 // foreach 114 115 s = new Set([1, 2, 3]); 116 117 s.forEach(function(value, key, set) { 118 Assert.assertTrue(this === s); 119 Assert.assertTrue(set === s); 120 }, s); 121 122 function assertEqualArrays(a, b) { 123 Assert.assertTrue(Array.isArray(a)); 124 Assert.assertTrue(Array.isArray(b)); 125 Assert.assertTrue(a.length === b.length); 126 Assert.assertTrue(a.every(function(v, j) { 127 return v === b[j]; 128 })); 129 } 130 131 let array = []; 132 s = new Set([1, 2, 3]); 133 s.forEach(function(value, key, set) { 134 array.push(value); 135 }); 136 assertEqualArrays(array, [1, 2, 3]); 137 138 array = []; 139 s = new Set([1, 2, 3]); 140 s.forEach(function(value, key, set) { 141 array.push(value); 142 if (key == 3) { 143 set.clear(); 144 set.add("four"); 145 } 146 }); 147 assertEqualArrays(array, [1, 2, 3, "four"]); 148 149 array = []; 150 s = new Set([1, 2, 3]); 151 s.forEach(function(value, key, set) { 152 array.push(value); 153 if (key == 1) { 154 set.delete(1); 155 } 156 if (key == 2) { 157 set.delete(3); 158 } 159 }); 160 assertEqualArrays(array, [1, 2]); 161 162 array = []; 163 s = new Set([1, 2, 3]); 164 s.forEach(function(value, key, set) { 165 array.push(value); 166 if (key < 4) { 167 set.delete(key); 168 set.add(key + 3) 169 } 170 }); 171 assertEqualArrays(array, [1, 2, 3, 4, 5, 6]); 172 173