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 * This test uses assert{True,False}(... == ...) instead of 30 * assertEquals(..., ...) to not rely on the details of the 31 * implementation of assertEquals. 32 */ 33 34assertTrue (void 0 == void 0, "void 0 == void 0"); 35assertTrue (null == null, "null == null"); 36assertFalse(NaN == NaN, "NaN == NaN"); 37assertFalse(NaN == 0, "NaN == 0"); 38assertFalse(0 == NaN, "0 == NaN"); 39assertFalse(NaN == Infinity, "NaN == Inf"); 40assertFalse(Infinity == NaN, "Inf == NaN"); 41 42assertTrue(Number.MAX_VALUE == Number.MAX_VALUE, "MAX == MAX"); 43assertTrue(Number.MIN_VALUE == Number.MIN_VALUE, "MIN == MIN"); 44assertTrue(Infinity == Infinity, "Inf == Inf"); 45assertTrue(-Infinity == -Infinity, "-Inf == -Inf"); 46 47assertTrue(0 == 0, "0 == 0"); 48assertTrue(0 == -0, "0 == -0"); 49assertTrue(-0 == 0, "-0 == 0"); 50assertTrue(-0 == -0, "-0 == -0"); 51 52assertFalse(0.9 == 1, "0.9 == 1"); 53assertFalse(0.999999 == 1, "0.999999 == 1"); 54assertFalse(0.9999999999 == 1, "0.9999999999 == 1"); 55assertFalse(0.9999999999999 == 1, "0.9999999999999 == 1"); 56 57assertTrue('hello' == 'hello', "'hello' == 'hello'"); 58 59assertTrue (true == true, "true == true"); 60assertTrue (false == false, "false == false"); 61assertFalse(true == false, "true == false"); 62assertFalse(false == true, "false == true"); 63 64assertFalse(new Wrapper(null) == new Wrapper(null), "new Wrapper(null) == new Wrapper(null)"); 65assertFalse(new Boolean(true) == new Boolean(true), "new Boolean(true) == new Boolean(true)"); 66assertFalse(new Boolean(false) == new Boolean(false), "new Boolean(false) == new Boolean(false)"); 67 68(function () { 69 var x = new Wrapper(null); 70 var y = x, z = x; 71 assertTrue(y == x); 72})(); 73 74(function () { 75 var x = new Boolean(true); 76 var y = x, z = x; 77 assertTrue(y == x); 78})(); 79 80(function () { 81 var x = new Boolean(false); 82 var y = x, z = x; 83 assertTrue(y == x); 84})(); 85 86assertTrue(null == void 0, "null == void 0"); 87assertTrue(void 0 == null, "void 0 == null"); 88assertFalse(new Wrapper(null) == null, "new Wrapper(null) == null"); 89assertFalse(null == new Wrapper(null), "null == new Wrapper(null)"); 90 91assertTrue(1 == '1', "1 == '1"); 92assertTrue(255 == '0xff', "255 == '0xff'"); 93assertTrue(0 == '\r', "0 == '\\r'"); 94assertTrue(1e19 == '1e19', "1e19 == '1e19'"); 95 96assertTrue(new Boolean(true) == true, "new Boolean(true) == true"); 97assertTrue(new Boolean(false) == false, "new Boolean(false) == false"); 98assertTrue(true == new Boolean(true), "true == new Boolean(true)"); 99assertTrue(false == new Boolean(false), "false == new Boolean(false)"); 100 101assertTrue(Boolean(true) == true, "Boolean(true) == true"); 102assertTrue(Boolean(false) == false, "Boolean(false) == false"); 103assertTrue(true == Boolean(true), "true == Boolean(true)"); 104assertTrue(false == Boolean(false), "false == Boolean(false)"); 105 106assertTrue(new Wrapper(true) == true, "new Wrapper(true) == true"); 107assertTrue(new Wrapper(false) == false, "new Wrapper(false) == false"); 108assertTrue(true == new Wrapper(true), "true = new Wrapper(true)"); 109assertTrue(false == new Wrapper(false), "false = new Wrapper(false)"); 110 111function Wrapper(value) { 112 this.value = value; 113 this.valueOf = function () { return this.value; }; 114} 115