1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/tests/js1_5/extensions/regress-225831.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,162 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/*
1.10 + *
1.11 + * Date: 15 Nov 2003
1.12 + * SUMMARY: Stressing the byte code generator
1.13 + *
1.14 + * See http://bugzilla.mozilla.org/show_bug.cgi?id=225831
1.15 + *
1.16 + */
1.17 +//-----------------------------------------------------------------------------
1.18 +var UBound = 0;
1.19 +var BUGNUMBER = 225831;
1.20 +var summary = 'Stressing the byte code generator';
1.21 +var status = '';
1.22 +var statusitems = [];
1.23 +var actual = '';
1.24 +var actualvalues = [];
1.25 +var expect= '';
1.26 +var expectedvalues = [];
1.27 +
1.28 +
1.29 +function f() { return {x: 0}; }
1.30 +
1.31 +var N = 300;
1.32 +var a = new Array(N + 1);
1.33 +a[N] = 10;
1.34 +a[0] = 100;
1.35 +
1.36 +
1.37 +status = inSection(1);
1.38 +
1.39 +// build string of the form ++(a[++f().x + ++f().x + ... + ++f().x]) which
1.40 +// gives ++a[N]
1.41 +var str = "".concat("++(a[", repeat_str("++f().x + ", (N - 1)), "++f().x])");
1.42 +
1.43 +// Use Script constructor instead of simple eval to test Rhino optimizer mode
1.44 +// because in Rhino, eval always uses interpreted mode.
1.45 +if (typeof Script == 'undefined')
1.46 +{
1.47 + print('Test skipped. Script not defined.');
1.48 +}
1.49 +else
1.50 +{
1.51 + var script = new Script(str);
1.52 + script();
1.53 +
1.54 + actual = a[N];
1.55 + expect = 11;
1.56 +}
1.57 +addThis();
1.58 +
1.59 +status = inSection(2);
1.60 +
1.61 +
1.62 +// build string of the form (a[f().x-- + f().x-- + ... + f().x--])--
1.63 +// which should give (a[0])--
1.64 +if (typeof Script == 'undefined')
1.65 +{
1.66 + print('Test skipped. Script not defined.');
1.67 +}
1.68 +else
1.69 +{
1.70 + str = "".concat("(a[", repeat_str("f().x-- + ", (N - 1)), "f().x--])--");
1.71 + script = new Script(str);
1.72 + script();
1.73 +
1.74 + actual = a[0];
1.75 + expect = 99;
1.76 +}
1.77 +addThis();
1.78 +
1.79 +
1.80 +status = inSection(3);
1.81 +
1.82 +// build string of the form [[1], [1], ..., [1]]
1.83 +if (typeof Script == 'undefined')
1.84 +{
1.85 + print('Test skipped. Script not defined.');
1.86 +}
1.87 +else
1.88 +{
1.89 + str = "".concat("[", repeat_str("[1], ", (N - 1)), "[1]]");
1.90 + script = new Script(str);
1.91 + script();
1.92 +
1.93 + actual = uneval(script());
1.94 + expect = str;
1.95 +}
1.96 +addThis();
1.97 +
1.98 +
1.99 +status = inSection(4);
1.100 +
1.101 +// build string of the form ({1:{a:1}, 2:{a:1}, ... N:{a:1}})
1.102 +if (typeof Script == 'undefined')
1.103 +{
1.104 + print('Test skipped. Script not defined.');
1.105 +}
1.106 +else
1.107 +{
1.108 + str = function() {
1.109 + var arr = new Array(N+1);
1.110 + arr[0] = "({";
1.111 + for (var i = 1; i < N; ++i) {
1.112 + arr[i] = i+":{a:1}, ";
1.113 + }
1.114 + arr[N] = N+":{a:1}})";
1.115 + return "".concat.apply("", arr);
1.116 + }();
1.117 +
1.118 + script = new Script(str);
1.119 + script();
1.120 +
1.121 + actual = uneval(script());
1.122 + expect = str;
1.123 +}
1.124 +addThis();
1.125 +
1.126 +
1.127 +
1.128 +
1.129 +//-----------------------------------------------------------------------------
1.130 +test();
1.131 +//-----------------------------------------------------------------------------
1.132 +
1.133 +
1.134 +
1.135 +function repeat_str(str, repeat_count)
1.136 +{
1.137 + var arr = new Array(--repeat_count);
1.138 + while (repeat_count != 0)
1.139 + arr[--repeat_count] = str;
1.140 + return str.concat.apply(str, arr);
1.141 +}
1.142 +
1.143 +
1.144 +function addThis()
1.145 +{
1.146 + statusitems[UBound] = status;
1.147 + actualvalues[UBound] = actual;
1.148 + expectedvalues[UBound] = expect;
1.149 + UBound++;
1.150 +}
1.151 +
1.152 +
1.153 +function test()
1.154 +{
1.155 + enterFunc('test');
1.156 + printBugNumber(BUGNUMBER);
1.157 + printStatus(summary);
1.158 +
1.159 + for (var i=0; i<UBound; i++)
1.160 + {
1.161 + reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
1.162 + }
1.163 +
1.164 + exitFunc ('test');
1.165 +}
