| /* |
| * Copyright (c) 2014, 2015, 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 |
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| */ |
| |
| /* |
| * @test Test2GbHeap |
| * @bug 8031686 |
| * @summary Regression test to ensure we can start G1 with 2gb heap. |
| * @key gc |
| * @key regression |
| * @library /testlibrary |
| * @modules java.base/jdk.internal.misc |
| * java.management |
| */ |
| |
| import java.util.ArrayList; |
| |
| import jdk.test.lib.OutputAnalyzer; |
| import jdk.test.lib.ProcessTools; |
| |
| public class Test2GbHeap { |
| public static void main(String[] args) throws Exception { |
| ArrayList<String> testArguments = new ArrayList<String>(); |
| |
| testArguments.add("-XX:+UseG1GC"); |
| testArguments.add("-Xmx2g"); |
| testArguments.add("-version"); |
| |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(testArguments.toArray(new String[0])); |
| |
| OutputAnalyzer output = new OutputAnalyzer(pb.start()); |
| |
| // Avoid failing test for setups not supported. |
| if (output.getOutput().contains("Could not reserve enough space for 2097152KB object heap")) { |
| // Will fail on machines with too little memory (and Windows 32-bit VM), ignore such failures. |
| output.shouldHaveExitValue(1); |
| } else if (output.getOutput().contains("G1 GC is disabled in this release")) { |
| // G1 is not supported on embedded, ignore such failures. |
| output.shouldHaveExitValue(1); |
| } else { |
| // Normally everything should be fine. |
| output.shouldHaveExitValue(0); |
| } |
| } |
| } |