lagergren@1028: /*
lagergren@1028:  * Copyright (c) 2010, 2014, Oracle and/or its affiliates. All rights reserved.
lagergren@1028:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
lagergren@1028:  *
lagergren@1028:  * This code is free software; you can redistribute it and/or modify it
lagergren@1028:  * under the terms of the GNU General Public License version 2 only, as
lagergren@1028:  * published by the Free Software Foundation.
lagergren@1028:  *
lagergren@1028:  * This code is distributed in the hope that it will be useful, but WITHOUT
lagergren@1028:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
lagergren@1028:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
lagergren@1028:  * version 2 for more details (a copy is included in the LICENSE file that
lagergren@1028:  * accompanied this code).
lagergren@1028:  *
lagergren@1028:  * You should have received a copy of the GNU General Public License version
lagergren@1028:  * 2 along with this work; if not, write to the Free Software Foundation,
lagergren@1028:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
lagergren@1028:  *
lagergren@1028:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
lagergren@1028:  * or visit www.oracle.com if you need additional information or have any
lagergren@1028:  * questions.
lagergren@1028:  */
lagergren@1028: 
lagergren@1028: /**
lagergren@1028:  * Simple benchmark to measure charCodeAt specialized method performance
lagergren@1028:  */
lagergren@1028: 
lagergren@1028: var str = "sghjkdsfkjghsdfjkfkjdfkjdfjkdfjkfdjkfdkfldjfhdfpkjdhafgksdjfgldfgjldfkjgdlfjgldkfjgkldfj";
lagergren@1028: var RESULT1 = 9187;
lagergren@1028: var RESULT2 = 1496;
lagergren@1028: 
lagergren@1028: function f() {
lagergren@1028:     var len = str.length;
lagergren@1028:     var c = 0;
lagergren@1028:     for (var i = 0; i < len; i++) {
lagergren@1028: 	c += str.charCodeAt(i);
lagergren@1028:     }
lagergren@1028:     return c;
lagergren@1028: }
lagergren@1028: 
lagergren@1028: function bench(res) {
lagergren@1028:     var d = new Date;
lagergren@1028:     var sum = 0;
lagergren@1028:     for (var i = 0; i < 1e6; i++) {
lagergren@1028: 	sum |= f();
lagergren@1028:     }
lagergren@1028:     if (sum == res) {
lagergren@1028: 	print("Verified OK"); 
lagergren@1028:     } else {
lagergren@1028: 	print("Verification failed " + sum + " should be " + res);
lagergren@1028:     }
lagergren@1028:     print((new Date - d) + " ms");
lagergren@1028: }
lagergren@1028: 
lagergren@1028: bench(RESULT1);
lagergren@1028: 
lagergren@1028: print("Replacing charCodeAt... ");
lagergren@1028: 
lagergren@1028: String.prototype.charCodeAt = function() { return 17; }
lagergren@1028: 
lagergren@1028: bench(RESULT2);
lagergren@1028: 
lagergren@1028: print("Done");