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 29 var loop_count = 5 30 31 32 for (var i = 0; i < loop_count; i++) { 33 var a = new Array(); 34 var b = Array(); 35 assertEquals(0, a.length); 36 assertEquals(0, b.length); 37 for (var k = 0; k < 10; k++) { 38 assertEquals('undefined', typeof a[k]); 39 assertEquals('undefined', typeof b[k]); 40 } 41 } 42 43 44 for (var i = 0; i < loop_count; i++) { 45 for (var j = 0; j < 100; j++) { 46 var a = new Array(j); 47 var b = Array(j); 48 assertEquals(j, a.length); 49 assertEquals(j, b.length); 50 for (var k = 0; k < j; k++) { 51 assertEquals('undefined', typeof a[k]); 52 assertEquals('undefined', typeof b[k]); 53 } 54 } 55 } 56 57 58 for (var i = 0; i < loop_count; i++) { 59 a = new Array(0, 1); 60 assertArrayEquals([0, 1], a); 61 a = new Array(0, 1, 2); 62 assertArrayEquals([0, 1, 2], a); 63 a = new Array(0, 1, 2, 3); 64 assertArrayEquals([0, 1, 2, 3], a); 65 a = new Array(0, 1, 2, 3, 4); 66 assertArrayEquals([0, 1, 2, 3, 4], a); 67 a = new Array(0, 1, 2, 3, 4, 5); 68 assertArrayEquals([0, 1, 2, 3, 4, 5], a); 69 a = new Array(0, 1, 2, 3, 4, 5, 6); 70 assertArrayEquals([0, 1, 2, 3, 4, 5, 6], a); 71 a = new Array(0, 1, 2, 3, 4, 5, 6, 7); 72 assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7], a); 73 a = new Array(0, 1, 2, 3, 4, 5, 6, 7, 8); 74 assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7, 8], a); 75 a = new Array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9); 76 assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], a); 77 } 78 79 80 function innerArrayLiteral(n) { 81 var a = new Array(n); 82 for (var i = 0; i < n; i++) { 83 a[i] = i * 2 + 7; 84 } 85 return a.join(); 86 } 87 88 89 function testConstructOfSizeSize(n) { 90 var str = innerArrayLiteral(n); 91 var a = eval('[' + str + ']'); 92 var b = eval('new Array(' + str + ')') 93 var c = eval('Array(' + str + ')') 94 assertEquals(n, a.length); 95 assertArrayEquals(a, b); 96 assertArrayEquals(a, c); 97 } 98 99 100 for (var i = 0; i < loop_count; i++) { 101 // JSObject::kInitialMaxFastElementArray is 10000. 102 for (var j = 1000; j < 12000; j += 1000) { 103 testConstructOfSizeSize(j); 104 } 105 } 106 107 108 for (var i = 0; i < loop_count; i++) { 109 assertArrayEquals(['xxx'], new Array('xxx')); 110 assertArrayEquals(['xxx'], Array('xxx')); 111 assertArrayEquals([true], new Array(true)); 112 assertArrayEquals([false], Array(false)); 113 assertArrayEquals([{a:1}], new Array({a:1})); 114 assertArrayEquals([{b:2}], Array({b:2})); 115 } 116 117 118 assertThrows('new Array(3.14)'); 119 assertThrows('Array(2.72)'); 120