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 | * |
michael@0 | 8 | * Date: 14 Mar 2003 |
michael@0 | 9 | * SUMMARY: Testing left-associativity of the + operator |
michael@0 | 10 | * |
michael@0 | 11 | * See ECMA-262 Ed.3, Section 11.6.1, "The Addition operator" |
michael@0 | 12 | * See http://bugzilla.mozilla.org/show_bug.cgi?id=196290 |
michael@0 | 13 | * |
michael@0 | 14 | * The upshot: |a + b + c| should always equal |(a + b) + c| |
michael@0 | 15 | * |
michael@0 | 16 | */ |
michael@0 | 17 | //----------------------------------------------------------------------------- |
michael@0 | 18 | var UBound = 0; |
michael@0 | 19 | var BUGNUMBER = 196290; |
michael@0 | 20 | var summary = 'Testing left-associativity of the + operator'; |
michael@0 | 21 | var status = ''; |
michael@0 | 22 | var statusitems = []; |
michael@0 | 23 | var actual = ''; |
michael@0 | 24 | var actualvalues = []; |
michael@0 | 25 | var expect= ''; |
michael@0 | 26 | var expectedvalues = []; |
michael@0 | 27 | |
michael@0 | 28 | |
michael@0 | 29 | status = inSection(1); |
michael@0 | 30 | actual = 1 + 1 + 'px'; |
michael@0 | 31 | expect = '2px'; |
michael@0 | 32 | addThis(); |
michael@0 | 33 | |
michael@0 | 34 | status = inSection(2); |
michael@0 | 35 | actual = 'px' + 1 + 1; |
michael@0 | 36 | expect = 'px11'; |
michael@0 | 37 | addThis(); |
michael@0 | 38 | |
michael@0 | 39 | status = inSection(3); |
michael@0 | 40 | actual = 1 + 1 + 1 + 'px'; |
michael@0 | 41 | expect = '3px'; |
michael@0 | 42 | addThis(); |
michael@0 | 43 | |
michael@0 | 44 | status = inSection(4); |
michael@0 | 45 | actual = 1 + 1 + 'a' + 1 + 1 + 'b'; |
michael@0 | 46 | expect = '2a11b'; |
michael@0 | 47 | addThis(); |
michael@0 | 48 | |
michael@0 | 49 | /* |
michael@0 | 50 | * The next sections test the + operator via eval() |
michael@0 | 51 | */ |
michael@0 | 52 | status = inSection(5); |
michael@0 | 53 | actual = sumThese(1, 1, 'a', 1, 1, 'b'); |
michael@0 | 54 | expect = '2a11b'; |
michael@0 | 55 | addThis(); |
michael@0 | 56 | |
michael@0 | 57 | status = inSection(6); |
michael@0 | 58 | actual = sumThese(new Number(1), new Number(1), 'a'); |
michael@0 | 59 | expect = '2a'; |
michael@0 | 60 | addThis(); |
michael@0 | 61 | |
michael@0 | 62 | status = inSection(7); |
michael@0 | 63 | actual = sumThese('a', new Number(1), new Number(1)); |
michael@0 | 64 | expect = 'a11'; |
michael@0 | 65 | addThis(); |
michael@0 | 66 | |
michael@0 | 67 | |
michael@0 | 68 | |
michael@0 | 69 | //----------------------------------------------------------------------------- |
michael@0 | 70 | test(); |
michael@0 | 71 | //----------------------------------------------------------------------------- |
michael@0 | 72 | |
michael@0 | 73 | |
michael@0 | 74 | |
michael@0 | 75 | function addThis() |
michael@0 | 76 | { |
michael@0 | 77 | statusitems[UBound] = status; |
michael@0 | 78 | actualvalues[UBound] = actual; |
michael@0 | 79 | expectedvalues[UBound] = expect; |
michael@0 | 80 | UBound++; |
michael@0 | 81 | } |
michael@0 | 82 | |
michael@0 | 83 | /* |
michael@0 | 84 | * Applies the + operator to the provided arguments via eval(). |
michael@0 | 85 | * |
michael@0 | 86 | * Form an eval string of the form 'arg1 + arg2 + arg3', but |
michael@0 | 87 | * remember to add double-quotes inside the eval string around |
michael@0 | 88 | * any argument that is of string type. For example, suppose the |
michael@0 | 89 | * arguments were 11, 'a', 22. Then the eval string should be |
michael@0 | 90 | * |
michael@0 | 91 | * arg1 + quoteThis(arg2) + arg3 |
michael@0 | 92 | * |
michael@0 | 93 | * If we didn't put double-quotes around the string argument, |
michael@0 | 94 | * we'd get this for an eval string: |
michael@0 | 95 | * |
michael@0 | 96 | * '11 + a + 22' |
michael@0 | 97 | * |
michael@0 | 98 | * If we eval() this, we get 'ReferenceError: a is not defined'. |
michael@0 | 99 | * With proper quoting, we get eval('11 + "a" + 22') as desired. |
michael@0 | 100 | */ |
michael@0 | 101 | function sumThese() |
michael@0 | 102 | { |
michael@0 | 103 | var sEval = ''; |
michael@0 | 104 | var arg; |
michael@0 | 105 | var i; |
michael@0 | 106 | |
michael@0 | 107 | var L = arguments.length; |
michael@0 | 108 | for (i=0; i<L; i++) |
michael@0 | 109 | { |
michael@0 | 110 | arg = arguments[i]; |
michael@0 | 111 | if (typeof arg === 'string') |
michael@0 | 112 | arg = quoteThis(arg); |
michael@0 | 113 | |
michael@0 | 114 | if (i < L-1) |
michael@0 | 115 | sEval += arg + ' + '; |
michael@0 | 116 | else |
michael@0 | 117 | sEval += arg; |
michael@0 | 118 | } |
michael@0 | 119 | |
michael@0 | 120 | return eval(sEval); |
michael@0 | 121 | } |
michael@0 | 122 | |
michael@0 | 123 | |
michael@0 | 124 | function quoteThis(x) |
michael@0 | 125 | { |
michael@0 | 126 | return '"' + x + '"'; |
michael@0 | 127 | } |
michael@0 | 128 | |
michael@0 | 129 | |
michael@0 | 130 | function test() |
michael@0 | 131 | { |
michael@0 | 132 | enterFunc('test'); |
michael@0 | 133 | printBugNumber(BUGNUMBER); |
michael@0 | 134 | printStatus(summary); |
michael@0 | 135 | |
michael@0 | 136 | for (var i=0; i<UBound; i++) |
michael@0 | 137 | { |
michael@0 | 138 | reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); |
michael@0 | 139 | } |
michael@0 | 140 | |
michael@0 | 141 | exitFunc ('test'); |
michael@0 | 142 | } |