1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/js/src/tests/ecma_3/Expressions/11.9.6-1.js Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,179 @@ 1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.8 + 1.9 +/* 1.10 + * 1.11 + * Date: 20 Feb 2002 1.12 + * SUMMARY: Testing the comparison |undefined === null| 1.13 + * See http://bugzilla.mozilla.org/show_bug.cgi?id=126722 1.14 + * 1.15 + */ 1.16 +//----------------------------------------------------------------------------- 1.17 +var UBound = 0; 1.18 +var BUGNUMBER = 126722; 1.19 +var summary = 'Testing the comparison |undefined === null|'; 1.20 +var status = ''; 1.21 +var statusitems = []; 1.22 +var actual = ''; 1.23 +var actualvalues = []; 1.24 +var expect= ''; 1.25 +var expectedvalues = []; 1.26 + 1.27 + 1.28 +status = inSection(1); 1.29 +if (undefined === null) 1.30 + actual = true; 1.31 +else 1.32 + actual = false; 1.33 +expect = false; 1.34 +addThis(); 1.35 + 1.36 + 1.37 + 1.38 +status = inSection(2); 1.39 +switch(true) 1.40 +{ 1.41 +case (undefined === null) : 1.42 + actual = true; 1.43 + break; 1.44 + 1.45 +default: 1.46 + actual = false; 1.47 +} 1.48 +expect = false; 1.49 +addThis(); 1.50 + 1.51 + 1.52 + 1.53 +status = inSection(3); 1.54 +function f3(x) 1.55 +{ 1.56 + var res = false; 1.57 + 1.58 + switch(true) 1.59 + { 1.60 + case (x === null) : 1.61 + res = true; 1.62 + break; 1.63 + 1.64 + default: 1.65 + // do nothing 1.66 + } 1.67 + 1.68 + return res; 1.69 +} 1.70 + 1.71 +actual = f3(undefined); 1.72 +expect = false; 1.73 +addThis(); 1.74 + 1.75 + 1.76 + 1.77 +status = inSection(4); 1.78 +function f4(arr) 1.79 +{ 1.80 + var elt = ''; 1.81 + var res = false; 1.82 + 1.83 + for (i=0; i<arr.length; i++) 1.84 + { 1.85 + elt = arr[i]; 1.86 + 1.87 + switch(true) 1.88 + { 1.89 + case (elt === null) : 1.90 + res = true; 1.91 + break; 1.92 + 1.93 + default: 1.94 + // do nothing 1.95 + } 1.96 + } 1.97 + 1.98 + return res; 1.99 +} 1.100 + 1.101 +var arr = Array('a', undefined); 1.102 +actual = f4(arr); 1.103 +expect = false; 1.104 +addThis(); 1.105 + 1.106 + 1.107 + 1.108 +status = inSection(5); 1.109 +function f5(arr) 1.110 +{ 1.111 + var len = arr.length; 1.112 + 1.113 + for(var i=0; (arr[i]===undefined) && (i<len); i++) 1.114 + ; //do nothing 1.115 + 1.116 + return i; 1.117 +} 1.118 + 1.119 +/* 1.120 + * An array of 5 undefined elements. Note: 1.121 + * 1.122 + * The return value of eval(a STATEMENT) is undefined. 1.123 + * A non-existent PROPERTY is undefined, not a ReferenceError. 1.124 + * No undefined element exists AFTER trailing comma at end. 1.125 + * 1.126 + */ 1.127 +var arrUndef = [ , undefined, eval('var x = 0'), this.NOT_A_PROPERTY, , ]; 1.128 +actual = f5(arrUndef); 1.129 +expect = 5; 1.130 +addThis(); 1.131 + 1.132 + 1.133 + 1.134 +status = inSection(6); 1.135 +function f6(arr) 1.136 +{ 1.137 + var len = arr.length; 1.138 + 1.139 + for(var i=0; (arr[i]===null) && (i<len); i++) 1.140 + ; //do nothing 1.141 + 1.142 + return i; 1.143 +} 1.144 + 1.145 +/* 1.146 + * Use same array as above. This time we're comparing to |null|, so we expect 0 1.147 + */ 1.148 +actual = f6(arrUndef); 1.149 +expect = 0; 1.150 +addThis(); 1.151 + 1.152 + 1.153 + 1.154 + 1.155 +//----------------------------------------------------------------------------- 1.156 +test(); 1.157 +//----------------------------------------------------------------------------- 1.158 + 1.159 + 1.160 + 1.161 +function addThis() 1.162 +{ 1.163 + statusitems[UBound] = status; 1.164 + actualvalues[UBound] = actual; 1.165 + expectedvalues[UBound] = expect; 1.166 + UBound++; 1.167 +} 1.168 + 1.169 + 1.170 +function test() 1.171 +{ 1.172 + enterFunc('test'); 1.173 + printBugNumber(BUGNUMBER); 1.174 + printStatus(summary); 1.175 + 1.176 + for (var i=0; i<UBound; i++) 1.177 + { 1.178 + reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); 1.179 + } 1.180 + 1.181 + exitFunc ('test'); 1.182 +}