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comparison: js/src/tests/ecma_3/Function/regress-94506.js
js/src/tests/ecma_3/Function/regress-94506.js
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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 * Date: 08 August 2001 | |
| 8 * | |
| 9 * SUMMARY: When we invoke a function, the arguments object should take | |
| 10 * a back seat to any local identifier named "arguments". | |
| 11 * | |
| 12 * See http://bugzilla.mozilla.org/show_bug.cgi?id=94506 | |
| 13 */ | |
| 14 //----------------------------------------------------------------------------- | |
| 15 var UBound = 0; | |
| 16 var BUGNUMBER = 94506; | |
| 17 var summary = 'Testing functions employing identifiers named "arguments"'; | |
| 18 var status = ''; | |
| 19 var statusitems = []; | |
| 20 var actual = ''; | |
| 21 var actualvalues = []; | |
| 22 var expect= ''; | |
| 23 var expectedvalues = []; | |
| 24 var TYPE_OBJECT = typeof new Object(); | |
| 25 var arguments = 5555; | |
| 26 | |
| 27 | |
| 28 // use a parameter named "arguments" | |
| 29 function F1(arguments) | |
| 30 { | |
| 31 return arguments; | |
| 32 } | |
| 33 | |
| 34 | |
| 35 // use a local variable named "arguments" | |
| 36 function F2() | |
| 37 { | |
| 38 var arguments = 55; | |
| 39 return arguments; | |
| 40 } | |
| 41 | |
| 42 | |
| 43 // same thing in a different order. CHANGES THE RESULT! | |
| 44 function F3() | |
| 45 { | |
| 46 return arguments; | |
| 47 var arguments = 555; | |
| 48 } | |
| 49 | |
| 50 | |
| 51 // use the global variable above named "arguments" | |
| 52 function F4() | |
| 53 { | |
| 54 return arguments; | |
| 55 } | |
| 56 | |
| 57 | |
| 58 | |
| 59 /* | |
| 60 * In Sections 1 and 2, expect the local identifier, not the arguments object. | |
| 61 * In Sections 3 and 4, expect the arguments object, not the the identifier. | |
| 62 */ | |
| 63 | |
| 64 status = 'Section 1 of test'; | |
| 65 actual = F1(5); | |
| 66 expect = 5; | |
| 67 addThis(); | |
| 68 | |
| 69 | |
| 70 status = 'Section 2 of test'; | |
| 71 actual = F2(); | |
| 72 expect = 55; | |
| 73 addThis(); | |
| 74 | |
| 75 | |
| 76 status = 'Section 3 of test'; | |
| 77 actual = typeof F3(); | |
| 78 expect = TYPE_OBJECT; | |
| 79 addThis(); | |
| 80 | |
| 81 | |
| 82 status = 'Section 4 of test'; | |
| 83 actual = typeof F4(); | |
| 84 expect = TYPE_OBJECT; | |
| 85 addThis(); | |
| 86 | |
| 87 | |
| 88 // Let's try calling F1 without providing a parameter - | |
| 89 status = 'Section 5 of test'; | |
| 90 actual = F1(); | |
| 91 expect = undefined; | |
| 92 addThis(); | |
| 93 | |
| 94 | |
| 95 // Let's try calling F1 with too many parameters - | |
| 96 status = 'Section 6 of test'; | |
| 97 actual = F1(3,33,333); | |
| 98 expect = 3; | |
| 99 addThis(); | |
| 100 | |
| 101 | |
| 102 | |
| 103 //----------------------------------------------------------------------------- | |
| 104 test(); | |
| 105 //----------------------------------------------------------------------------- | |
| 106 | |
| 107 | |
| 108 function addThis() | |
| 109 { | |
| 110 statusitems[UBound] = status; | |
| 111 actualvalues[UBound] = actual; | |
| 112 expectedvalues[UBound] = expect; | |
| 113 UBound++; | |
| 114 } | |
| 115 | |
| 116 | |
| 117 function test() | |
| 118 { | |
| 119 enterFunc ('test'); | |
| 120 printBugNumber(BUGNUMBER); | |
| 121 printStatus (summary); | |
| 122 | |
| 123 for (var i = 0; i < UBound; i++) | |
| 124 { | |
| 125 reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); | |
| 126 } | |
| 127 | |
| 128 exitFunc ('test'); | |
| 129 } |
