Test6905845.java revision 4324
0N/A/*
0N/A * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
0N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
0N/A * or visit www.oracle.com if you need additional information or have any
0N/A * questions.
0N/A *
0N/A */
0N/A
0N/A/**
0N/A * @test
0N/A * @bug 6905845
0N/A * @summary Server VM improperly optimizing away loop.
0N/A *
0N/A * @run main/timeout=480 Test6905845
0N/A */
0N/A
0N/Apublic class Test6905845 {
0N/A
0N/A public static void main(String[] args){
0N/A for (int asdf = 0; asdf < 5; asdf++){
0N/A //test block
0N/A {
0N/A StringBuilder strBuf1 = new StringBuilder(65);
0N/A long start = System.currentTimeMillis();
0N/A int count = 0;
0N/A
0N/A for (int i = Integer.MIN_VALUE; i < (Integer.MAX_VALUE - 80); i += 79){
0N/A strBuf1.append(i);
0N/A count++;
0N/A strBuf1.delete(0, 65);
0N/A }
0N/A
0N/A System.out.println(count);
0N/A if (count != 54366674) {
0N/A System.out.println("wrong count: " + count +", should be 54366674");
0N/A System.exit(97);
0N/A }
0N/A }
0N/A //test block
0N/A {
0N/A StringBuilder strBuf1 = new StringBuilder(65);
0N/A long start = System.currentTimeMillis();
0N/A int count = 0;
0N/A
0N/A for (int i = Integer.MIN_VALUE; i < (Integer.MAX_VALUE - 80); i += 79){
0N/A strBuf1.append(i);
0N/A count++;
0N/A strBuf1.delete(0, 65);
0N/A }
0N/A
0N/A System.out.println(count);
0N/A if (count != 54366674) {
0N/A System.out.println("wrong count: " + count +", should be 54366674");
0N/A System.exit(97);
0N/A }
0N/A }
0N/A }
0N/A }
0N/A}
0N/A
0N/A