1 // Copyright 2011 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 // Flags: --harmony-proxies --harmony-collections 29 30 31 // Helper. 32 33 function TestWithProxies(test, construct, handler) { 34 test(construct, handler, Proxy.create) 35 test(construct, handler, function(h) { 36 return Proxy.createFunction(h, function() {}) 37 }) 38 } 39 40 41 // Sets. 42 43 function TestSet(construct, fix) { 44 TestWithProxies(TestSet2, construct, fix) 45 } 46 47 function TestSet2(construct, fix, create) { 48 var handler = {fix: function() { return {} }} 49 var p1 = create(handler) 50 var p2 = create(handler) 51 var p3 = create(handler) 52 fix(p3) 53 54 var s = new construct(); 55 s.add(p1); 56 s.add(p2); 57 assertTrue(s.has(p1)); 58 assertTrue(s.has(p2)); 59 assertFalse(s.has(p3)); 60 61 fix(p1) 62 fix(p2) 63 assertTrue(s.has(p1)); 64 assertTrue(s.has(p2)); 65 assertFalse(s.has(p3)); 66 67 s.delete(p2); 68 assertTrue(s.has(p1)); 69 assertFalse(s.has(p2)); 70 assertFalse(s.has(p3)); 71 } 72 73 TestSet(Set, Object.seal) 74 TestSet(Set, Object.freeze) 75 TestSet(Set, Object.preventExtensions) 76 77 78 // Maps and weak maps. 79 80 function TestMap(construct, fix) { 81 TestWithProxies(TestMap2, construct, fix) 82 } 83 84 function TestMap2(construct, fix, create) { 85 var handler = {fix: function() { return {} }} 86 var p1 = create(handler) 87 var p2 = create(handler) 88 var p3 = create(handler) 89 fix(p3) 90 91 var m = new construct(); 92 m.set(p1, 123); 93 m.set(p2, 321); 94 assertTrue(m.has(p1)); 95 assertTrue(m.has(p2)); 96 assertFalse(m.has(p3)); 97 assertSame(123, m.get(p1)); 98 assertSame(321, m.get(p2)); 99 100 fix(p1) 101 fix(p2) 102 assertTrue(m.has(p1)); 103 assertTrue(m.has(p2)); 104 assertFalse(m.has(p3)); 105 assertSame(123, m.get(p1)); 106 assertSame(321, m.get(p2)); 107 108 m.delete(p2); 109 assertTrue(m.has(p1)); 110 assertFalse(m.has(p2)); 111 assertFalse(m.has(p3)); 112 assertSame(123, m.get(p1)); 113 assertSame(undefined, m.get(p2)); 114 } 115 116 TestMap(Map, Object.seal) 117 TestMap(Map, Object.freeze) 118 TestMap(Map, Object.preventExtensions) 119 120 TestMap(WeakMap, Object.seal) 121 TestMap(WeakMap, Object.freeze) 122 TestMap(WeakMap, Object.preventExtensions) 123