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: var BUGNUMBER = 474529;
michael@0: var summary = 'Do not assert: _buf->_nextPage';
michael@0: var actual = '';
michael@0: var expect = '';
michael@0: 
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: test();
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:   function main() {
michael@0: 
michael@0:     function timeit(N, buildArrayString) {
michael@0:       return Function("N",
michael@0:                       "var d1 = +new Date;" +
michael@0:                       "while (N--) var x = " + buildArrayString +
michael@0:                       "; return +new Date - d1")(N);
michael@0:     }
michael@0: 
michael@0:     function reportResults(size, N, literalMs, newArrayMs, arrayMs) {
michael@0:       print(Array.join(arguments, "\t"));
michael@0:     }
michael@0: 
michael@0:     var repetitions = [ 9000, 7000, 4000, 2000, 2000, 2000, 800, 800, 800, 300, 100, 100 ]
michael@0:       for (var zeros = "0, ", i = 0; i < repetitions.length; ++i) {
michael@0:         var N = repetitions[i];
michael@0:         reportResults((1 << i) + 1, N,
michael@0:                       timeit(N, "[" + zeros + " 0 ]"),
michael@0:                       timeit(N, "new Array(" + zeros + " 0)"),
michael@0:                       timeit(N, "Array(" + zeros + " 0)"));
michael@0:         zeros += zeros;
michael@0:       }
michael@0:   }
michael@0: 
michael@0:   jit(true);
michael@0:   gc();
michael@0:   print("Size\t\Rep.\t\Literal\tnew Arr\tArray()");
michael@0:   print("====\t=====\t=======\t=======\t=======");
michael@0:   main();
michael@0:   jit(false);
michael@0: 
michael@0:   reportCompare(expect, actual, summary);
michael@0: 
michael@0:   exitFunc ('test');
michael@0: }