1 /* 2 * Copyright (c) 2014, 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 Test2GbHeap 26 * @bug 8031686 27 * @summary Regression test to ensure we can start G1 with 2gb heap. 28 * @key gc 29 * @key regression 30 * @library /testlibrary 31 */ 32 33 import java.util.ArrayList; 34 35 import com.oracle.java.testlibrary.OutputAnalyzer; 36 import com.oracle.java.testlibrary.ProcessTools; 37 38 public class Test2GbHeap { main(String[] args)39 public static void main(String[] args) throws Exception { 40 ArrayList<String> testArguments = new ArrayList<String>(); 41 42 testArguments.add("-XX:+UseG1GC"); 43 testArguments.add("-Xmx2g"); 44 testArguments.add("-version"); 45 46 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(testArguments.toArray(new String[0])); 47 48 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 49 50 // Avoid failing test for setups not supported. 51 if (output.getOutput().contains("Could not reserve enough space for 2097152KB object heap")) { 52 // Will fail on machines with too little memory (and Windows 32-bit VM), ignore such failures. 53 output.shouldHaveExitValue(1); 54 } else if (output.getOutput().contains("G1 GC is disabled in this release")) { 55 // G1 is not supported on embedded, ignore such failures. 56 output.shouldHaveExitValue(1); 57 } else { 58 // Normally everything should be fine. 59 output.shouldHaveExitValue(0); 60 } 61 } 62 } 63