The Android Open Source Project | 9364f22 | 2008-10-21 07:00:00 -0700 | [diff] [blame] | 1 | /* ***** BEGIN LICENSE BLOCK ***** |
| 2 | * Version: NPL 1.1/GPL 2.0/LGPL 2.1 |
| 3 | * |
| 4 | * The contents of this file are subject to the Netscape Public License |
| 5 | * Version 1.1 (the "License"); you may not use this file except in |
| 6 | * compliance with the License. You may obtain a copy of the License at |
| 7 | * http://www.mozilla.org/NPL/ |
| 8 | * |
| 9 | * Software distributed under the License is distributed on an "AS IS" basis, |
| 10 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| 11 | * for the specific language governing rights and limitations under the |
| 12 | * License. |
| 13 | * |
| 14 | * The Original Code is JavaScript Engine testing utilities. |
| 15 | * |
| 16 | * The Initial Developer of the Original Code is Netscape Communications Corp. |
| 17 | * Portions created by the Initial Developer are Copyright (C) 2003 |
| 18 | * the Initial Developer. All Rights Reserved. |
| 19 | * |
| 20 | * Contributor(s): bzbarsky@mit.edu, pschwartau@netscape.com |
| 21 | * |
| 22 | * Alternatively, the contents of this file may be used under the terms of |
| 23 | * either the GNU General Public License Version 2 or later (the "GPL"), or |
| 24 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| 25 | * in which case the provisions of the GPL or the LGPL are applicable instead |
| 26 | * of those above. If you wish to allow use of your version of this file only |
| 27 | * under the terms of either the GPL or the LGPL, and not to allow others to |
| 28 | * use your version of this file under the terms of the NPL, indicate your |
| 29 | * decision by deleting the provisions above and replace them with the notice |
| 30 | * and other provisions required by the GPL or the LGPL. If you do not delete |
| 31 | * the provisions above, a recipient may use your version of this file under |
| 32 | * the terms of any one of the NPL, the GPL or the LGPL. |
| 33 | * |
| 34 | * ***** END LICENSE BLOCK ***** |
| 35 | * |
| 36 | * |
| 37 | * Date: 14 Mar 2003 |
| 38 | * SUMMARY: Testing left-associativity of the + operator |
| 39 | * |
| 40 | * See ECMA-262 Ed.3, Section 11.6.1, "The Addition operator" |
| 41 | * See http://bugzilla.mozilla.org/show_bug.cgi?id=196290 |
| 42 | * |
| 43 | * The upshot: |a + b + c| should always equal |(a + b) + c| |
| 44 | * |
| 45 | */ |
| 46 | //----------------------------------------------------------------------------- |
| 47 | var UBound = 0; |
| 48 | var bug = 196290; |
| 49 | var summary = 'Testing left-associativity of the + operator'; |
| 50 | var status = ''; |
| 51 | var statusitems = []; |
| 52 | var actual = ''; |
| 53 | var actualvalues = []; |
| 54 | var expect= ''; |
| 55 | var expectedvalues = []; |
| 56 | |
| 57 | |
| 58 | status = inSection(1); |
| 59 | actual = 1 + 1 + 'px'; |
| 60 | expect = '2px'; |
| 61 | addThis(); |
| 62 | |
| 63 | status = inSection(2); |
| 64 | actual = 'px' + 1 + 1; |
| 65 | expect = 'px11'; |
| 66 | addThis(); |
| 67 | |
| 68 | status = inSection(3); |
| 69 | actual = 1 + 1 + 1 + 'px'; |
| 70 | expect = '3px'; |
| 71 | addThis(); |
| 72 | |
| 73 | status = inSection(4); |
| 74 | actual = 1 + 1 + 'a' + 1 + 1 + 'b'; |
| 75 | expect = '2a11b'; |
| 76 | addThis(); |
| 77 | |
| 78 | /* |
| 79 | * The next sections test the + operator via eval() |
| 80 | */ |
| 81 | status = inSection(5); |
| 82 | actual = sumThese(1, 1, 'a', 1, 1, 'b'); |
| 83 | expect = '2a11b'; |
| 84 | addThis(); |
| 85 | |
| 86 | status = inSection(6); |
| 87 | actual = sumThese(new Number(1), new Number(1), 'a'); |
| 88 | expect = '2a'; |
| 89 | addThis(); |
| 90 | |
| 91 | status = inSection(7); |
| 92 | actual = sumThese('a', new Number(1), new Number(1)); |
| 93 | expect = 'a11'; |
| 94 | addThis(); |
| 95 | |
| 96 | |
| 97 | |
| 98 | //----------------------------------------------------------------------------- |
| 99 | test(); |
| 100 | //----------------------------------------------------------------------------- |
| 101 | |
| 102 | |
| 103 | |
| 104 | function addThis() |
| 105 | { |
| 106 | statusitems[UBound] = status; |
| 107 | actualvalues[UBound] = actual; |
| 108 | expectedvalues[UBound] = expect; |
| 109 | UBound++; |
| 110 | } |
| 111 | |
| 112 | /* |
| 113 | * Applies the + operator to the provided arguments via eval(). |
| 114 | * |
| 115 | * Form an eval string of the form 'arg1 + arg2 + arg3', but |
| 116 | * remember to add double-quotes inside the eval string around |
| 117 | * any argument that is of string type. For example, suppose the |
| 118 | * arguments were 11, 'a', 22. Then the eval string should be |
| 119 | * |
| 120 | * arg1 + quoteThis(arg2) + arg3 |
| 121 | * |
| 122 | * If we didn't put double-quotes around the string argument, |
| 123 | * we'd get this for an eval string: |
| 124 | * |
| 125 | * '11 + a + 22' |
| 126 | * |
| 127 | * If we eval() this, we get 'ReferenceError: a is not defined'. |
| 128 | * With proper quoting, we get eval('11 + "a" + 22') as desired. |
| 129 | */ |
| 130 | function sumThese() |
| 131 | { |
| 132 | var sEval = ''; |
| 133 | var arg; |
| 134 | var i; |
| 135 | |
| 136 | var L = arguments.length; |
| 137 | for (i=0; i<L; i++) |
| 138 | { |
| 139 | arg = arguments[i]; |
| 140 | if (typeof arg === 'string') |
| 141 | arg = quoteThis(arg); |
| 142 | |
| 143 | if (i < L-1) |
| 144 | sEval += arg + ' + '; |
| 145 | else |
| 146 | sEval += arg; |
| 147 | } |
| 148 | |
| 149 | return eval(sEval); |
| 150 | } |
| 151 | |
| 152 | |
| 153 | function quoteThis(x) |
| 154 | { |
| 155 | return '"' + x + '"'; |
| 156 | } |
| 157 | |
| 158 | |
| 159 | function test() |
| 160 | { |
| 161 | enterFunc('test'); |
| 162 | printBugNumber(bug); |
| 163 | printStatus(summary); |
| 164 | |
| 165 | for (var i=0; i<UBound; i++) |
| 166 | { |
| 167 | reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); |
| 168 | } |
| 169 | |
| 170 | exitFunc ('test'); |
| 171 | } |