1 // Copyright 2008 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: --allow-natives-syntax 29 30 function RunTest(ensure_fast_case) { 31 function C1() { 32 this.x = 23; 33 }; 34 C1.prototype = { set x(value) { this.y = 23; } }; 35 if (ensure_fast_case) { 36 %ToFastProperties(C1.prototype); 37 } 38 39 for (var i = 0; i < 10; i++) { 40 var c1 = new C1(); 41 assertEquals("undefined", typeof c1.x); 42 assertEquals(23, c1.y); 43 } 44 45 46 function C2() { 47 this.x = 23; 48 }; 49 C2.prototype = { }; 50 C2.prototype.__proto__ = { set x(value) { this.y = 23; } }; 51 if (ensure_fast_case) { 52 %ToFastProperties(C2.prototype.__proto__) 53 } 54 55 for (var i = 0; i < 10; i++) { 56 var c2 = new C2(); 57 assertEquals("undefined", typeof c2.x); 58 assertEquals(23, c2.y); 59 } 60 61 62 function C3() { 63 this.x = 23; 64 }; 65 C3.prototype = { }; 66 C3.prototype.__defineSetter__('x', function(value) { this.y = 23; }); 67 if (ensure_fast_case) { 68 %ToFastProperties(C3.prototype); 69 } 70 71 for (var i = 0; i < 10; i++) { 72 var c3 = new C3(); 73 assertEquals("undefined", typeof c3.x); 74 assertEquals(23, c3.y); 75 } 76 77 78 function C4() { 79 this.x = 23; 80 }; 81 C4.prototype = { }; 82 C4.prototype.__proto__ = { }; 83 C4.prototype.__proto__.__defineSetter__('x', function(value) { this.y = 23; }); 84 if (ensure_fast_case) { 85 %ToFastProperties(C4.prototype.__proto__); 86 } 87 88 for (var i = 0; i < 10; i++) { 89 var c4 = new C4(); 90 assertEquals("undefined", typeof c4.x); 91 assertEquals(23, c4.y); 92 } 93 94 95 function D() { 96 this.x = 23; 97 }; 98 D.prototype = 1; 99 if (ensure_fast_case) { 100 %ToFastProperties(D.prototype); 101 } 102 103 for (var i = 0; i < 10; i++) { 104 var d = new D(); 105 assertEquals(23, d.x); 106 assertEquals("undefined", typeof d.y); 107 } 108 } 109 110 RunTest(false); 111 RunTest(true); 112
