Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 5 | |
michael@0 | 6 | /* |
michael@0 | 7 | * Date: 08 August 2001 |
michael@0 | 8 | * |
michael@0 | 9 | * SUMMARY: When we invoke a function, the arguments object should take |
michael@0 | 10 | * a back seat to any local identifier named "arguments". |
michael@0 | 11 | * |
michael@0 | 12 | * See http://bugzilla.mozilla.org/show_bug.cgi?id=94506 |
michael@0 | 13 | */ |
michael@0 | 14 | //----------------------------------------------------------------------------- |
michael@0 | 15 | var UBound = 0; |
michael@0 | 16 | var BUGNUMBER = 94506; |
michael@0 | 17 | var summary = 'Testing functions employing identifiers named "arguments"'; |
michael@0 | 18 | var status = ''; |
michael@0 | 19 | var statusitems = []; |
michael@0 | 20 | var actual = ''; |
michael@0 | 21 | var actualvalues = []; |
michael@0 | 22 | var expect= ''; |
michael@0 | 23 | var expectedvalues = []; |
michael@0 | 24 | var TYPE_OBJECT = typeof new Object(); |
michael@0 | 25 | var arguments = 5555; |
michael@0 | 26 | |
michael@0 | 27 | |
michael@0 | 28 | // use a parameter named "arguments" |
michael@0 | 29 | function F1(arguments) |
michael@0 | 30 | { |
michael@0 | 31 | return arguments; |
michael@0 | 32 | } |
michael@0 | 33 | |
michael@0 | 34 | |
michael@0 | 35 | // use a local variable named "arguments" |
michael@0 | 36 | function F2() |
michael@0 | 37 | { |
michael@0 | 38 | var arguments = 55; |
michael@0 | 39 | return arguments; |
michael@0 | 40 | } |
michael@0 | 41 | |
michael@0 | 42 | |
michael@0 | 43 | // same thing in a different order. CHANGES THE RESULT! |
michael@0 | 44 | function F3() |
michael@0 | 45 | { |
michael@0 | 46 | return arguments; |
michael@0 | 47 | var arguments = 555; |
michael@0 | 48 | } |
michael@0 | 49 | |
michael@0 | 50 | |
michael@0 | 51 | // use the global variable above named "arguments" |
michael@0 | 52 | function F4() |
michael@0 | 53 | { |
michael@0 | 54 | return arguments; |
michael@0 | 55 | } |
michael@0 | 56 | |
michael@0 | 57 | |
michael@0 | 58 | |
michael@0 | 59 | /* |
michael@0 | 60 | * In Sections 1 and 2, expect the local identifier, not the arguments object. |
michael@0 | 61 | * In Sections 3 and 4, expect the arguments object, not the the identifier. |
michael@0 | 62 | */ |
michael@0 | 63 | |
michael@0 | 64 | status = 'Section 1 of test'; |
michael@0 | 65 | actual = F1(5); |
michael@0 | 66 | expect = 5; |
michael@0 | 67 | addThis(); |
michael@0 | 68 | |
michael@0 | 69 | |
michael@0 | 70 | status = 'Section 2 of test'; |
michael@0 | 71 | actual = F2(); |
michael@0 | 72 | expect = 55; |
michael@0 | 73 | addThis(); |
michael@0 | 74 | |
michael@0 | 75 | |
michael@0 | 76 | status = 'Section 3 of test'; |
michael@0 | 77 | actual = typeof F3(); |
michael@0 | 78 | expect = TYPE_OBJECT; |
michael@0 | 79 | addThis(); |
michael@0 | 80 | |
michael@0 | 81 | |
michael@0 | 82 | status = 'Section 4 of test'; |
michael@0 | 83 | actual = typeof F4(); |
michael@0 | 84 | expect = TYPE_OBJECT; |
michael@0 | 85 | addThis(); |
michael@0 | 86 | |
michael@0 | 87 | |
michael@0 | 88 | // Let's try calling F1 without providing a parameter - |
michael@0 | 89 | status = 'Section 5 of test'; |
michael@0 | 90 | actual = F1(); |
michael@0 | 91 | expect = undefined; |
michael@0 | 92 | addThis(); |
michael@0 | 93 | |
michael@0 | 94 | |
michael@0 | 95 | // Let's try calling F1 with too many parameters - |
michael@0 | 96 | status = 'Section 6 of test'; |
michael@0 | 97 | actual = F1(3,33,333); |
michael@0 | 98 | expect = 3; |
michael@0 | 99 | addThis(); |
michael@0 | 100 | |
michael@0 | 101 | |
michael@0 | 102 | |
michael@0 | 103 | //----------------------------------------------------------------------------- |
michael@0 | 104 | test(); |
michael@0 | 105 | //----------------------------------------------------------------------------- |
michael@0 | 106 | |
michael@0 | 107 | |
michael@0 | 108 | function addThis() |
michael@0 | 109 | { |
michael@0 | 110 | statusitems[UBound] = status; |
michael@0 | 111 | actualvalues[UBound] = actual; |
michael@0 | 112 | expectedvalues[UBound] = expect; |
michael@0 | 113 | UBound++; |
michael@0 | 114 | } |
michael@0 | 115 | |
michael@0 | 116 | |
michael@0 | 117 | function test() |
michael@0 | 118 | { |
michael@0 | 119 | enterFunc ('test'); |
michael@0 | 120 | printBugNumber(BUGNUMBER); |
michael@0 | 121 | printStatus (summary); |
michael@0 | 122 | |
michael@0 | 123 | for (var i = 0; i < UBound; i++) |
michael@0 | 124 | { |
michael@0 | 125 | reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); |
michael@0 | 126 | } |
michael@0 | 127 | |
michael@0 | 128 | exitFunc ('test'); |
michael@0 | 129 | } |