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 // Check pushes with various number of arguments. 29 (function() { 30 var a = []; 31 for (var i = 0; i < 7; i++) { 32 a = []; 33 34 assertEquals(0, a.push()); 35 assertEquals([], a, "after .push()"); 36 37 assertEquals(1, a.push(1), "length after .push(1)"); 38 assertEquals([1], a, "after .push(1)"); 39 40 assertEquals(3, a.push(2, 3), "length after .push(2, 3)"); 41 assertEquals([1, 2, 3], a, "after .push(2, 3)"); 42 43 assertEquals(6, a.push(4, 5, 6), 44 "length after .push(4, 5, 6)"); 45 assertEquals([1, 2, 3, 4, 5, 6], a, 46 "after .push(4, 5, 5)"); 47 48 assertEquals(10, a.push(7, 8, 9, 10), 49 "length after .push(7, 8, 9, 10)"); 50 assertEquals([1, 2, 3, 4, 5, 6, 7, 8, 9, 10], a, 51 "after .push(7, 8, 9, 10)"); 52 53 assertEquals(15, a.push(11, 12, 13, 14, 15), 54 "length after .push(11, 12, 13, 14, 15)"); 55 assertEquals([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15], a, 56 "after .push(11, 12, 13, 14, 15)"); 57 58 assertEquals(21, a.push(16, 17, 18, 19, 20, 21), 59 "length after .push(16, 17, 18, 19, 20, 21)"); 60 assertEquals([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21], a, 61 "after .push(16, 17, 18, 19, 20, 21)"); 62 63 assertEquals(28, a.push(22, 23, 24, 25, 26, 27, 28), 64 "length hafter .push(22, 23, 24, 25, 26, 27, 28)"); 65 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, 66 "after .push(22, 23, 24, 25, 26, 27, 28)"); 67 } 68 })(); 69 70 // Excerises various pushes to the array at the end of new space. 71 (function() { 72 var a = undefined; 73 for (var i = 0; i < 7; i++) { 74 a = []; 75 assertEquals(1, a.push(1)); 76 assertEquals(2, a.push(2)); 77 assertEquals(3, a.push(3)); 78 assertEquals(4, a.push(4)); 79 assertEquals(5, a.push(5)); 80 assertEquals(6, a.push(6)); 81 assertEquals(7, a.push(7)); 82 assertEquals(8, a.push(8)); 83 assertEquals(9, a.push(9)); 84 assertEquals(10, a.push(10)); 85 assertEquals(11, a.push(11)); 86 assertEquals(12, a.push(12)); 87 assertEquals(13, a.push(13)); 88 assertEquals(14, a.push(14)); 89 assertEquals(15, a.push(15)); 90 assertEquals(16, a.push(16)); 91 assertEquals(17, a.push(17)); 92 assertEquals(18, a.push(18)); 93 assertEquals(19, a.push(19)); 94 assertEquals(20, a.push(20)); 95 assertEquals(21, a.push(21)); 96 assertEquals(22, a.push(22)); 97 assertEquals(23, a.push(23)); 98 assertEquals(24, a.push(24)); 99 assertEquals(25, a.push(25)); 100 assertEquals(26, a.push(26)); 101 assertEquals(27, a.push(27)); 102 assertEquals(28, a.push(28)); 103 assertEquals(29, a.push(29)); 104 } 105 })(); 106 107 // Test the case of not JSArray receiver. 108 // Regression test for custom call generators, see issue 684. 109 (function() { 110 var x = {__proto__: []}; 111 for (var i = 0; i < 100; i++) { 112 x.push("a"); 113 assertEquals(i + 1, x.length, i + 'th iteration'); 114 } 115 })(); 116
