1 // Copyright 2010 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 // Check pushes with various number of arguments. 31 (function() { 32 var a = []; 33 for (var i = 0; i < 7; i++) { 34 a = []; 35 36 assertEquals(0, a.push()); 37 assertEquals([], a, "after .push()"); 38 39 assertEquals(1, a.push(1), "length after .push(1)"); 40 assertEquals([1], a, "after .push(1)"); 41 42 assertEquals(3, a.push(2, 3), "length after .push(2, 3)"); 43 assertEquals([1, 2, 3], a, "after .push(2, 3)"); 44 45 assertEquals(6, a.push(4, 5, 6), 46 "length after .push(4, 5, 6)"); 47 assertEquals([1, 2, 3, 4, 5, 6], a, 48 "after .push(4, 5, 5)"); 49 50 assertEquals(10, a.push(7, 8, 9, 10), 51 "length after .push(7, 8, 9, 10)"); 52 assertEquals([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], a, 53 "after .push(7, 8, 9, 10)"); 54 55 assertEquals(15, a.push(11, 12, 13, 14, 15), 56 "length after .push(11, 12, 13, 14, 15)"); 57 assertEquals([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], a, 58 "after .push(11, 12, 13, 14, 15)"); 59 60 assertEquals(21, a.push(16, 17, 18, 19, 20, 21), 61 "length after .push(16, 17, 18, 19, 20, 21)"); 62 assertEquals([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21], a, 63 "after .push(16, 17, 18, 19, 20, 21)"); 64 65 assertEquals(28, a.push(22, 23, 24, 25, 26, 27, 28), 66 "length hafter .push(22, 23, 24, 25, 26, 27, 28)"); 67 assertEquals([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28], a, 68 "after .push(22, 23, 24, 25, 26, 27, 28)"); 69 } 70 })(); 71 72 // Excerises various pushes to the array at the end of new space. 73 (function() { 74 var a = undefined; 75 for (var i = 0; i < 7; i++) { 76 a = []; 77 assertEquals(1, a.push(1)); 78 assertEquals(2, a.push(2)); 79 assertEquals(3, a.push(3)); 80 assertEquals(4, a.push(4)); 81 assertEquals(5, a.push(5)); 82 assertEquals(6, a.push(6)); 83 assertEquals(7, a.push(7)); 84 assertEquals(8, a.push(8)); 85 assertEquals(9, a.push(9)); 86 assertEquals(10, a.push(10)); 87 assertEquals(11, a.push(11)); 88 assertEquals(12, a.push(12)); 89 assertEquals(13, a.push(13)); 90 assertEquals(14, a.push(14)); 91 assertEquals(15, a.push(15)); 92 assertEquals(16, a.push(16)); 93 assertEquals(17, a.push(17)); 94 assertEquals(18, a.push(18)); 95 assertEquals(19, a.push(19)); 96 assertEquals(20, a.push(20)); 97 assertEquals(21, a.push(21)); 98 assertEquals(22, a.push(22)); 99 assertEquals(23, a.push(23)); 100 assertEquals(24, a.push(24)); 101 assertEquals(25, a.push(25)); 102 assertEquals(26, a.push(26)); 103 assertEquals(27, a.push(27)); 104 assertEquals(28, a.push(28)); 105 assertEquals(29, a.push(29)); 106 } 107 })(); 108 109 // Test the case of not JSArray receiver. 110 // Regression test for custom call generators, see issue 684. 111 (function() { 112 var x = {__proto__: []}; 113 for (var i = 0; i < 100; i++) { 114 x.push("a"); 115 assertEquals(i + 1, x.length, i + 'th iteration'); 116 } 117 })(); 118 119 (function() { 120 function f(a, i) { 121 a.push(i); 122 } 123 124 var a = [1,2,3]; 125 a.f = function() { return 10; } 126 f(a, 4); 127 f(a, 5); 128 f(a, 6); 129 f(a, 7); 130 f(a, {}); 131 assertEquals(10, a.f()); 132 })(); 133 134 (function() { 135 function f(a, i) { 136 a.push(i); 137 } 138 139 var a = [1,2,3]; 140 a.f = function() { return 10; } 141 f(a, 4); 142 f(a, 5); 143 f(a, 6); 144 %OptimizeFunctionOnNextCall(f); 145 f(a, 7); 146 f(a, {}); 147 assertEquals(10, a.f()); 148 })(); 149 150 151 (function testDoubleArrayPush() { 152 var a = []; 153 var max = 1000; 154 for (var i = 0; i < max; i++) { 155 a.push(i + 0.1); 156 } 157 assertEquals(max, a.length); 158 for (var i = 0; i < max; i++) { 159 assertEquals(i+0.1, a[i]); 160 } 161 })(); 162
