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