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 function props(x) { 29 var array = []; 30 for (var p in x) array.push(p); 31 return array.sort(); 32 } 33 34 function f1() { 35 this.x = 1; 36 } 37 38 function f2(x) { 39 this.x = x; 40 } 41 42 function f3(x) { 43 this.x = x; 44 this.y = 1; 45 this.z = f1; 46 } 47 48 function f4(x) { 49 this.x = x; 50 this.y = 1; 51 if (x == 1) return; 52 this.z = f1; 53 } 54 55 o1_1 = new f1(); 56 assertEquals(1, o1_1.x, "1"); 57 o1_2 = new f1(); 58 assertEquals(1, o1_1.x, "2"); 59 assertArrayEquals(["x"], props(o1_1), "3"); 60 assertArrayEquals(["x"], props(o1_2), "4"); 61 62 o2_1 = new f2(0); 63 o2_2 = new f2(0); 64 assertArrayEquals(["x"], props(o2_1)); 65 assertArrayEquals(["x"], props(o2_2)); 66 67 o3_1 = new f3(0); 68 o3_2 = new f3(0); 69 assertArrayEquals(["x", "y", "z"], props(o3_1)); 70 assertArrayEquals(["x", "y", "z"], props(o3_2)); 71 72 o4_0_1 = new f4(0); 73 o4_0_2 = new f4(0); 74 assertArrayEquals(["x", "y", "z"], props(o4_0_1)); 75 assertArrayEquals(["x", "y", "z"], props(o4_0_2)); 76 77 o4_1_1 = new f4(1); 78 o4_1_2 = new f4(1); 79 assertArrayEquals(["x", "y"], props(o4_1_1)); 80 assertArrayEquals(["x", "y"], props(o4_1_2)); 81 82 function f5(x, y) { 83 this.x = x; 84 this.y = y; 85 } 86 87 function f6(x, y) { 88 this.y = y; 89 this.x = x; 90 } 91 92 function f7(x, y, z) { 93 this.x = x; 94 this.y = y; 95 } 96 97 function testArgs(fun) { 98 obj = new fun(); 99 assertArrayEquals(["x", "y"], props(obj)); 100 assertEquals(void 0, obj.x); 101 assertEquals(void 0, obj.y); 102 103 obj = new fun("x"); 104 assertArrayEquals(["x", "y"], props(obj)); 105 assertEquals("x", obj.x); 106 assertEquals(void 0, obj.y); 107 108 obj = new fun("x", "y"); 109 assertArrayEquals(["x", "y"], props(obj)); 110 assertEquals("x", obj.x); 111 assertEquals("y", obj.y); 112 113 obj = new fun("x", "y", "z"); 114 assertArrayEquals(["x", "y"], props(obj)); 115 assertEquals("x", obj.x); 116 assertEquals("y", obj.y); 117 } 118 119 for (var i = 0; i < 10; i++) { 120 testArgs(f5); 121 testArgs(f6); 122 testArgs(f7); 123 } 124 125 function g(){ 126 this.x=1 127 } 128 129 o = new g(); 130 assertEquals(1, o.x); 131 o = new g(); 132 assertEquals(1, o.x); 133 g.prototype = {y:2} 134 o = new g(); 135 assertEquals(1, o.x); 136 assertEquals(2, o.y); 137 o = new g(); 138 assertEquals(1, o.x); 139 assertEquals(2, o.y); 140 141
