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comparison: js/src/tests/ecma_3/Expressions/11.6.1-1.js
js/src/tests/ecma_3/Expressions/11.6.1-1.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:3f911e44d58f |
|---|---|
| 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: 14 Mar 2003 | |
| 9 * SUMMARY: Testing left-associativity of the + operator | |
| 10 * | |
| 11 * See ECMA-262 Ed.3, Section 11.6.1, "The Addition operator" | |
| 12 * See http://bugzilla.mozilla.org/show_bug.cgi?id=196290 | |
| 13 * | |
| 14 * The upshot: |a + b + c| should always equal |(a + b) + c| | |
| 15 * | |
| 16 */ | |
| 17 //----------------------------------------------------------------------------- | |
| 18 var UBound = 0; | |
| 19 var BUGNUMBER = 196290; | |
| 20 var summary = 'Testing left-associativity of the + operator'; | |
| 21 var status = ''; | |
| 22 var statusitems = []; | |
| 23 var actual = ''; | |
| 24 var actualvalues = []; | |
| 25 var expect= ''; | |
| 26 var expectedvalues = []; | |
| 27 | |
| 28 | |
| 29 status = inSection(1); | |
| 30 actual = 1 + 1 + 'px'; | |
| 31 expect = '2px'; | |
| 32 addThis(); | |
| 33 | |
| 34 status = inSection(2); | |
| 35 actual = 'px' + 1 + 1; | |
| 36 expect = 'px11'; | |
| 37 addThis(); | |
| 38 | |
| 39 status = inSection(3); | |
| 40 actual = 1 + 1 + 1 + 'px'; | |
| 41 expect = '3px'; | |
| 42 addThis(); | |
| 43 | |
| 44 status = inSection(4); | |
| 45 actual = 1 + 1 + 'a' + 1 + 1 + 'b'; | |
| 46 expect = '2a11b'; | |
| 47 addThis(); | |
| 48 | |
| 49 /* | |
| 50 * The next sections test the + operator via eval() | |
| 51 */ | |
| 52 status = inSection(5); | |
| 53 actual = sumThese(1, 1, 'a', 1, 1, 'b'); | |
| 54 expect = '2a11b'; | |
| 55 addThis(); | |
| 56 | |
| 57 status = inSection(6); | |
| 58 actual = sumThese(new Number(1), new Number(1), 'a'); | |
| 59 expect = '2a'; | |
| 60 addThis(); | |
| 61 | |
| 62 status = inSection(7); | |
| 63 actual = sumThese('a', new Number(1), new Number(1)); | |
| 64 expect = 'a11'; | |
| 65 addThis(); | |
| 66 | |
| 67 | |
| 68 | |
| 69 //----------------------------------------------------------------------------- | |
| 70 test(); | |
| 71 //----------------------------------------------------------------------------- | |
| 72 | |
| 73 | |
| 74 | |
| 75 function addThis() | |
| 76 { | |
| 77 statusitems[UBound] = status; | |
| 78 actualvalues[UBound] = actual; | |
| 79 expectedvalues[UBound] = expect; | |
| 80 UBound++; | |
| 81 } | |
| 82 | |
| 83 /* | |
| 84 * Applies the + operator to the provided arguments via eval(). | |
| 85 * | |
| 86 * Form an eval string of the form 'arg1 + arg2 + arg3', but | |
| 87 * remember to add double-quotes inside the eval string around | |
| 88 * any argument that is of string type. For example, suppose the | |
| 89 * arguments were 11, 'a', 22. Then the eval string should be | |
| 90 * | |
| 91 * arg1 + quoteThis(arg2) + arg3 | |
| 92 * | |
| 93 * If we didn't put double-quotes around the string argument, | |
| 94 * we'd get this for an eval string: | |
| 95 * | |
| 96 * '11 + a + 22' | |
| 97 * | |
| 98 * If we eval() this, we get 'ReferenceError: a is not defined'. | |
| 99 * With proper quoting, we get eval('11 + "a" + 22') as desired. | |
| 100 */ | |
| 101 function sumThese() | |
| 102 { | |
| 103 var sEval = ''; | |
| 104 var arg; | |
| 105 var i; | |
| 106 | |
| 107 var L = arguments.length; | |
| 108 for (i=0; i<L; i++) | |
| 109 { | |
| 110 arg = arguments[i]; | |
| 111 if (typeof arg === 'string') | |
| 112 arg = quoteThis(arg); | |
| 113 | |
| 114 if (i < L-1) | |
| 115 sEval += arg + ' + '; | |
| 116 else | |
| 117 sEval += arg; | |
| 118 } | |
| 119 | |
| 120 return eval(sEval); | |
| 121 } | |
| 122 | |
| 123 | |
| 124 function quoteThis(x) | |
| 125 { | |
| 126 return '"' + x + '"'; | |
| 127 } | |
| 128 | |
| 129 | |
| 130 function test() | |
| 131 { | |
| 132 enterFunc('test'); | |
| 133 printBugNumber(BUGNUMBER); | |
| 134 printStatus(summary); | |
| 135 | |
| 136 for (var i=0; i<UBound; i++) | |
| 137 { | |
| 138 reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]); | |
| 139 } | |
| 140 | |
| 141 exitFunc ('test'); | |
| 142 } |
