1 // Copyright 2013 the V8 project authors. All rights reserved. 2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions 6 // are met: 7 // 1. Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // 2. Redistributions in binary form must reproduce the above copyright 10 // notice, this list of conditions and the following disclaimer in the 11 // documentation and/or other materials provided with the distribution. 12 // 13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 24 description( 25 'Test for equality of many combinations types.' 26 ); 27 28 var values = [ '0', '1', '0.1', '2', '3', '4', '5', '6', '7', '-0', '"0"', '"1"', '"0.1"', '"-0"', 'null', 'undefined', 'false', 'true', 'new String("0")', 'new Object' ]; 29 30 var exceptions = [ 31 '"-0" == false', 32 '"0" == false', 33 '"0" == new String("0")', 34 '"1" == true', 35 '-0 == "-0"', 36 '-0 == "0"', 37 '-0 == false', 38 '-0 == new String("0")', 39 '0 == "-0"', 40 '0 == "0"', 41 '0 == -0', 42 '0 == false', 43 '0 == new String("0")', 44 '0 === -0', 45 '0.1 == "0.1"', 46 '1 == "1"', 47 '1 == true', 48 'new Object == new Object', 49 'new Object === new Object', 50 'new String("0") == false', 51 'new String("0") == new String("0")', 52 'new String("0") === new String("0")', 53 'null == undefined', 54 ]; 55 56 var exceptionMap = new Object; 57 58 var i, j; 59 60 for (i = 0; i < exceptions.length; ++i) 61 exceptionMap[exceptions[i]] = 1; 62 63 for (i = 0; i < values.length; ++i) { 64 for (j = 0; j < values.length; ++j) { 65 var expression = values[i] + " == " + values[j]; 66 var reversed = values[j] + " == " + values[i]; 67 shouldBe(expression, ((i == j) ^ (exceptionMap[expression] || exceptionMap[reversed])) ? "true" : "false"); 68 } 69 } 70 71 for (i = 0; i < values.length; ++i) { 72 for (j = 0; j < values.length; ++j) { 73 var expression = values[i] + " === " + values[j]; 74 var reversed = values[j] + " === " + values[i]; 75 shouldBe(expression, ((i == j) ^ (exceptionMap[expression] || exceptionMap[reversed])) ? "true" : "false"); 76 } 77 } 78
