regress-131348.js (2813B)
1 /* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ 2 /* This Source Code Form is subject to the terms of the Mozilla Public 3 * License, v. 2.0. If a copy of the MPL was not distributed with this 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 5 6 /* 7 * 8 * Date: 10 Apr 2002 9 * Revised: 14 July 2002 10 * 11 * SUMMARY: JS should NOT error on |for(i in undefined)|, |for(i in null)| 12 * 13 * ECMA-262 3rd Edition Final spec says such statements SHOULD error. See: 14 * 15 * Section 12.6.4 The for-in Statement 16 * Section 9.9 ToObject 17 * 18 * 19 * But SpiderMonkey has decided NOT to follow this; it's a bug in the spec. 20 * See http://bugzilla.mozilla.org/show_bug.cgi?id=131348 21 * 22 * Update: Rhino has also decided not to follow the spec on this 23 * See http://bugzilla.mozilla.org/show_bug.cgi?id=136893 24 */ 25 //----------------------------------------------------------------------------- 26 var UBound = 0; 27 var BUGNUMBER = 131348; 28 var summary = 'JS should not error on |for(i in undefined)|, |for(i in null)|'; 29 var TEST_PASSED = 'No error'; 30 var TEST_FAILED = 'An error was generated!!!'; 31 var status = ''; 32 var statusitems = []; 33 var actual = ''; 34 var actualvalues = []; 35 var expect= ''; 36 var expectedvalues = []; 37 38 39 40 status = inSection(1); 41 expect = TEST_PASSED; 42 actual = TEST_PASSED; 43 try 44 { 45 for (var i in undefined) 46 { 47 print(i); 48 } 49 } 50 catch(e) 51 { 52 actual = TEST_FAILED; 53 } 54 addThis(); 55 56 57 58 status = inSection(2); 59 expect = TEST_PASSED; 60 actual = TEST_PASSED; 61 try 62 { 63 for (var i in null) 64 { 65 print(i); 66 } 67 } 68 catch(e) 69 { 70 actual = TEST_FAILED; 71 } 72 addThis(); 73 74 75 76 status = inSection(3); 77 expect = TEST_PASSED; 78 actual = TEST_PASSED; 79 /* 80 * Variable names that cannot be looked up generate ReferenceErrors; however, 81 * property names like obj.ZZZ that cannot be looked up are set to |undefined| 82 * 83 * Therefore, this should indirectly test | for (var i in undefined) | 84 */ 85 try 86 { 87 for (var i in this.ZZZ) 88 { 89 print(i); 90 } 91 } 92 catch(e) 93 { 94 actual = TEST_FAILED; 95 } 96 addThis(); 97 98 99 100 status = inSection(4); 101 expect = TEST_PASSED; 102 actual = TEST_PASSED; 103 /* 104 * The result of an unsuccessful regexp match is the null value 105 * Therefore, this should indirectly test | for (var i in null) | 106 */ 107 try 108 { 109 for (var i in 'bbb'.match(/aaa/)) 110 { 111 print(i); 112 } 113 } 114 catch(e) 115 { 116 actual = TEST_FAILED; 117 } 118 addThis(); 119 120 121 122 123 //----------------------------------------------------------------------------- 124 test(); 125 //----------------------------------------------------------------------------- 126 127 128 129 function addThis() 130 { 131 statusitems[UBound] = status; 132 actualvalues[UBound] = actual; 133 expectedvalues[UBound] = expect; 134 UBound++; 135 } 136 137 138 function test() 139 { 140 printBugNumber(BUGNUMBER); 141 printStatus(summary); 142 143 for (var i=0; i<UBound; i++) 144 { 145 reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); 146 } 147 }