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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
*
* Date: 15 Nov 2003
* SUMMARY: Stressing the byte code generator
*
* See http://bugzilla.mozilla.org/show_bug.cgi?id=225831
*
*/
//-----------------------------------------------------------------------------
var UBound = 0;
var BUGNUMBER = 225831;
var summary = 'Stressing the byte code generator';
var status = '';
var statusitems = [];
var actual = '';
var actualvalues = [];
var expect= '';
var expectedvalues = [];
function f() { return {x: 0}; }
var N = 300;
var a = new Array(N + 1);
a[N] = 10;
a[0] = 100;
status = inSection(1);
// build string of the form ++(a[++f().x + ++f().x + ... + ++f().x]) which
// gives ++a[N]
var str = "".concat("++(a[", repeat_str("++f().x + ", (N - 1)), "++f().x])");
// Use Script constructor instead of simple eval to test Rhino optimizer mode
// because in Rhino, eval always uses interpreted mode.
if (typeof Script == 'undefined')
{
print('Test skipped. Script not defined.');
}
else
{
var script = new Script(str);
script();
actual = a[N];
expect = 11;
}
addThis();
status = inSection(2);
// build string of the form (a[f().x-- + f().x-- + ... + f().x--])--
// which should give (a[0])--
if (typeof Script == 'undefined')
{
print('Test skipped. Script not defined.');
}
else
{
str = "".concat("(a[", repeat_str("f().x-- + ", (N - 1)), "f().x--])--");
script = new Script(str);
script();
actual = a[0];
expect = 99;
}
addThis();
status = inSection(3);
// build string of the form [[1], [1], ..., [1]]
if (typeof Script == 'undefined')
{
print('Test skipped. Script not defined.');
}
else
{
str = "".concat("[", repeat_str("[1], ", (N - 1)), "[1]]");
script = new Script(str);
script();
actual = uneval(script());
expect = str;
}
addThis();
status = inSection(4);
// build string of the form ({1:{a:1}, 2:{a:1}, ... N:{a:1}})
if (typeof Script == 'undefined')
{
print('Test skipped. Script not defined.');
}
else
{
str = function() {
var arr = new Array(N+1);
arr[0] = "({";
for (var i = 1; i < N; ++i) {
arr[i] = i+":{a:1}, ";
}
arr[N] = N+":{a:1}})";
return "".concat.apply("", arr);
}();
script = new Script(str);
script();
actual = uneval(script());
expect = str;
}
addThis();
//-----------------------------------------------------------------------------
test();
//-----------------------------------------------------------------------------
function repeat_str(str, repeat_count)
{
var arr = new Array(--repeat_count);
while (repeat_count != 0)
arr[--repeat_count] = str;
return str.concat.apply(str, arr);
}
function addThis()
{
statusitems[UBound] = status;
actualvalues[UBound] = actual;
expectedvalues[UBound] = expect;
UBound++;
}
function test()
{
enterFunc('test');
printBugNumber(BUGNUMBER);
printStatus(summary);
for (var i=0; i<UBound; i++)
{
reportCompare(expectedvalues[i], actualvalues[i], statusitems[i]);
}
exitFunc ('test');
}
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