1/* 2 * Copyright (c) 2013, 2016, 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/** 25 * @test GuardShrinkWarning 26 * @summary Remove warning about CMS generation shrinking. 27 * @bug 8012111 28 * @key gc 29 * @key regression 30 * @library /test/lib 31 * @modules java.base/jdk.internal.misc 32 * java.management 33 * @run main/othervm GuardShrinkWarning 34 * @author jon.masamitsu@oracle.com 35 */ 36 37import jdk.test.lib.process.OutputAnalyzer; 38import jdk.test.lib.process.ProcessTools; 39 40public class GuardShrinkWarning { 41 public static void main(String args[]) throws Exception { 42 43 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 44 "-showversion", 45 "-XX:+UseConcMarkSweepGC", 46 "-XX:+ExplicitGCInvokesConcurrent", 47 "GuardShrinkWarning$SystemGCCaller" 48 ); 49 50 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 51 52 output.shouldNotContain("Shrinking of CMS not yet implemented"); 53 54 output.shouldNotContain("error"); 55 56 output.shouldHaveExitValue(0); 57 } 58 static class SystemGCCaller { 59 public static void main(String [] args) { 60 System.gc(); 61 } 62 } 63} 64