Mercurial > hg > truffle
view test/compiler/5091921/Test6905845.java @ 4846:e8a4934564b2
7125793: MAC: test_gamma should always work
Summary: Fix gamma launcher on Mac OS X and reconcile test_gamma script on Unix platforms
Reviewed-by: dcubed, ohair, jcoomes, dholmes, ksrini
Contributed-by: james.melvin@oracle.com
author | phh |
---|---|
date | Tue, 24 Jan 2012 19:33:14 -0500 |
parents | bad7ecd0b6ed |
children | 514efad5e81a |
line wrap: on
line source
/* * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /** * @test * @bug 6905845 * @summary Server VM improperly optimizing away loop. * * @run main Test6905845 */ public class Test6905845 { public static void main(String[] args){ for (int asdf = 0; asdf < 5; asdf++){ //test block { StringBuilder strBuf1 = new StringBuilder(65); long start = System.currentTimeMillis(); int count = 0; for (int i = Integer.MIN_VALUE; i < (Integer.MAX_VALUE - 80); i += 79){ strBuf1.append(i); count++; strBuf1.delete(0, 65); } System.out.println(count); if (count != 54366674) { System.out.println("wrong count: " + count +", should be 54366674"); System.exit(97); } } //test block { StringBuilder strBuf1 = new StringBuilder(65); long start = System.currentTimeMillis(); int count = 0; for (int i = Integer.MIN_VALUE; i < (Integer.MAX_VALUE - 80); i += 79){ strBuf1.append(i); count++; strBuf1.delete(0, 65); } System.out.println(count); if (count != 54366674) { System.out.println("wrong count: " + count +", should be 54366674"); System.exit(97); } } } } }