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Edit File: array-constructor.js
// Copyright 2008 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions are // met: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * Redistributions in binary form must reproduce the above // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. var loop_count = 5 for (var i = 0; i < loop_count; i++) { var a = new Array(); var b = Array(); assertEquals(0, a.length); assertEquals(0, b.length); for (var k = 0; k < 10; k++) { assertEquals('undefined', typeof a[k]); assertEquals('undefined', typeof b[k]); } } for (var i = 0; i < loop_count; i++) { for (var j = 0; j < 100; j++) { var a = new Array(j); var b = Array(j); assertEquals(j, a.length); assertEquals(j, b.length); for (var k = 0; k < j; k++) { assertEquals('undefined', typeof a[k]); assertEquals('undefined', typeof b[k]); } } } for (var i = 0; i < loop_count; i++) { a = new Array(0, 1); assertArrayEquals([0, 1], a); a = new Array(0, 1, 2); assertArrayEquals([0, 1, 2], a); a = new Array(0, 1, 2, 3); assertArrayEquals([0, 1, 2, 3], a); a = new Array(0, 1, 2, 3, 4); assertArrayEquals([0, 1, 2, 3, 4], a); a = new Array(0, 1, 2, 3, 4, 5); assertArrayEquals([0, 1, 2, 3, 4, 5], a); a = new Array(0, 1, 2, 3, 4, 5, 6); assertArrayEquals([0, 1, 2, 3, 4, 5, 6], a); a = new Array(0, 1, 2, 3, 4, 5, 6, 7); assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7], a); a = new Array(0, 1, 2, 3, 4, 5, 6, 7, 8); assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7, 8], a); a = new Array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9); assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], a); } function innerArrayLiteral(n) { var a = new Array(n); for (var i = 0; i < n; i++) { a[i] = i * 2 + 7; } return a.join(); } function testConstructOfSizeSize(n) { var str = innerArrayLiteral(n); var a = eval('[' + str + ']'); var b = eval('new Array(' + str + ')') var c = eval('Array(' + str + ')') assertEquals(n, a.length); assertArrayEquals(a, b); assertArrayEquals(a, c); } for (var i = 0; i < loop_count; i++) { // JSObject::kInitialMaxFastElementArray is 10000. for (var j = 1000; j < 12000; j += 1000) { testConstructOfSizeSize(j); } } for (var i = 0; i < loop_count; i++) { assertArrayEquals(['xxx'], new Array('xxx')); assertArrayEquals(['xxx'], Array('xxx')); assertArrayEquals([true], new Array(true)); assertArrayEquals([false], Array(false)); assertArrayEquals([{a:1}], new Array({a:1})); assertArrayEquals([{b:2}], Array({b:2})); } assertThrows('new Array(3.14)'); assertThrows('Array(2.72)');