Object_wait01.java revision 13083:b9a173f12fe6
1/* 2 * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23/* 24 */ 25package org.graalvm.compiler.jtt.threads; 26 27import org.graalvm.compiler.jtt.JTTTest; 28import org.junit.Rule; 29import org.junit.Test; 30import org.junit.rules.DisableOnDebug; 31import org.junit.rules.TestRule; 32import org.junit.rules.Timeout; 33 34public class Object_wait01 extends JTTTest { 35 36 @Rule public TestRule timeout = new DisableOnDebug(Timeout.seconds(20)); 37 38 private static class TestClass implements Runnable { 39 @Override 40 public void run() { 41 int i = 0; 42 while (i++ < 1000000 && !done) { 43 synchronized (object) { 44 count++; 45 object.notifyAll(); 46 } 47 } 48 } 49 } 50 51 static volatile int count = 0; 52 static volatile boolean done; 53 static final Object object = new Object(); 54 55 public static boolean test(int i) throws InterruptedException { 56 count = 0; 57 done = false; 58 new Thread(new TestClass()).start(); 59 synchronized (object) { 60 while (count < i) { 61 object.wait(); 62 } 63 done = true; 64 return count >= i; 65 } 66 } 67 68 @Test 69 public void run0() throws Throwable { 70 initializeForTimeout(); 71 runTest("test", 0); 72 } 73 74 @Test 75 public void run1() throws Throwable { 76 initializeForTimeout(); 77 runTest("test", 1); 78 } 79 80 @Test 81 public void run2() throws Throwable { 82 initializeForTimeout(); 83 runTest("test", 3); 84 } 85 86 @Test 87 public void run3() throws Throwable { 88 initializeForTimeout(); 89 runTest("test", 15); 90 } 91 92} 93