Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 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 | } |