The Tor Browser / file comparison
comparison: js/src/tests/js1_5/Object/regress-137000.js
js/src/tests/js1_5/Object/regress-137000.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:f5d088c7c0f0 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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: 03 June 2002 | |
| 9 * SUMMARY: Function param or local var with same name as a function property | |
| 10 * | |
| 11 * See http://bugzilla.mozilla.org/show_bug.cgi?id=137000 | |
| 12 * See http://bugzilla.mozilla.org/show_bug.cgi?id=138708 | |
| 13 * See http://bugzilla.mozilla.org/show_bug.cgi?id=150032 | |
| 14 * See http://bugzilla.mozilla.org/show_bug.cgi?id=150859 | |
| 15 * | |
| 16 */ | |
| 17 //----------------------------------------------------------------------------- | |
| 18 var UBound = 0; | |
| 19 var BUGNUMBER = 137000; | |
| 20 var summary = 'Function param or local var with same name as a function prop'; | |
| 21 var status = ''; | |
| 22 var statusitems = []; | |
| 23 var actual = ''; | |
| 24 var actualvalues = []; | |
| 25 var expect= ''; | |
| 26 var expectedvalues = []; | |
| 27 | |
| 28 | |
| 29 /* | |
| 30 * Note use of 'x' both for the parameter to f, | |
| 31 * and as a property name for |f| as an object | |
| 32 */ | |
| 33 function f(x) | |
| 34 { | |
| 35 } | |
| 36 | |
| 37 status = inSection(1); | |
| 38 f.x = 12; | |
| 39 actual = f.x; | |
| 40 expect = 12; | |
| 41 addThis(); | |
| 42 | |
| 43 | |
| 44 | |
| 45 /* | |
| 46 * A more elaborate example, using the call() method | |
| 47 * to chain constructors from child to parent. | |
| 48 * | |
| 49 * The key point is the use of the same name 'p' for both | |
| 50 * the parameter to the constructor, and as a property name | |
| 51 */ | |
| 52 function parentObject(p) | |
| 53 { | |
| 54 this.p = 1; | |
| 55 } | |
| 56 | |
| 57 function childObject() | |
| 58 { | |
| 59 parentObject.call(this); | |
| 60 } | |
| 61 childObject.prototype = parentObject; | |
| 62 | |
| 63 status = inSection(2); | |
| 64 var objParent = new parentObject(); | |
| 65 actual = objParent.p; | |
| 66 expect = 1; | |
| 67 addThis(); | |
| 68 | |
| 69 status = inSection(3); | |
| 70 var objChild = new childObject(); | |
| 71 actual = objChild.p; | |
| 72 expect = 1; | |
| 73 addThis(); | |
| 74 | |
| 75 | |
| 76 | |
| 77 /* | |
| 78 * A similar set-up. Here the same name is being used for | |
| 79 * the parameter to both the Base and Child constructors, | |
| 80 */ | |
| 81 function Base(id) | |
| 82 { | |
| 83 } | |
| 84 | |
| 85 function Child(id) | |
| 86 { | |
| 87 this.prop = id; | |
| 88 } | |
| 89 Child.prototype=Base; | |
| 90 | |
| 91 status = inSection(4); | |
| 92 var c1 = new Child('child1'); | |
| 93 actual = c1.prop; | |
| 94 expect = 'child1'; | |
| 95 addThis(); | |
| 96 | |
| 97 | |
| 98 | |
| 99 /* | |
| 100 * Use same identifier as a property name, too - | |
| 101 */ | |
| 102 function BaseX(id) | |
| 103 { | |
| 104 } | |
| 105 | |
| 106 function ChildX(id) | |
| 107 { | |
| 108 this.id = id; | |
| 109 } | |
| 110 ChildX.prototype=BaseX; | |
| 111 | |
| 112 status = inSection(5); | |
| 113 c1 = new ChildX('child1'); | |
| 114 actual = c1.id; | |
| 115 expect = 'child1'; | |
| 116 addThis(); | |
| 117 | |
| 118 | |
| 119 | |
| 120 /* | |
| 121 * From http://bugzilla.mozilla.org/show_bug.cgi?id=150032 | |
| 122 * | |
| 123 * Here the same name is being used both for a local variable | |
| 124 * declared in g(), and as a property name for |g| as an object | |
| 125 */ | |
| 126 function g() | |
| 127 { | |
| 128 var propA = g.propA; | |
| 129 var propB = g.propC; | |
| 130 | |
| 131 this.getVarA = function() {return propA;} | |
| 132 this.getVarB = function() {return propB;} | |
| 133 } | |
| 134 g.propA = 'A'; | |
| 135 g.propB = 'B'; | |
| 136 g.propC = 'C'; | |
| 137 var obj = new g(); | |
| 138 | |
| 139 status = inSection(6); | |
| 140 actual = obj.getVarA(); // this one was returning 'undefined' | |
| 141 expect = 'A'; | |
| 142 addThis(); | |
| 143 | |
| 144 status = inSection(7); | |
| 145 actual = obj.getVarB(); // this one is easy; it never failed | |
| 146 expect = 'C'; | |
| 147 addThis(); | |
| 148 | |
| 149 | |
| 150 | |
| 151 /* | |
| 152 * By martin.honnen@gmx.de | |
| 153 * From http://bugzilla.mozilla.org/show_bug.cgi?id=150859 | |
| 154 * | |
| 155 * Here the same name is being used for a local var in F | |
| 156 * and as a property name for |F| as an object | |
| 157 * | |
| 158 * Twist: the property is added via another function. | |
| 159 */ | |
| 160 function setFProperty(val) | |
| 161 { | |
| 162 F.propA = val; | |
| 163 } | |
| 164 | |
| 165 function F() | |
| 166 { | |
| 167 var propA = 'Local variable in F'; | |
| 168 } | |
| 169 | |
| 170 status = inSection(8); | |
| 171 setFProperty('Hello'); | |
| 172 actual = F.propA; // this was returning 'undefined' | |
| 173 expect = 'Hello'; | |
| 174 addThis(); | |
| 175 | |
| 176 | |
| 177 | |
| 178 | |
| 179 //----------------------------------------------------------------------------- | |
| 180 test(); | |
| 181 //----------------------------------------------------------------------------- | |
| 182 | |
| 183 | |
| 184 | |
| 185 function addThis() | |
| 186 { | |
| 187 statusitems[UBound] = status; | |
| 188 actualvalues[UBound] = actual; | |
| 189 expectedvalues[UBound] = expect; | |
| 190 UBound++; | |
| 191 } | |
| 192 | |
| 193 | |
| 194 function test() | |
| 195 { | |
| 196 enterFunc('test'); | |
| 197 printBugNumber(BUGNUMBER); | |
| 198 printStatus(summary); | |
| 199 | |
| 200 for (var i=0; i<UBound; i++) | |
| 201 { | |
| 202 reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); | |
| 203 } | |
| 204 | |
| 205 exitFunc ('test'); | |
| 206 } |
