js/src/tests/ecma_3/Expressions/11.6.1-1.js

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

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 }

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