jdk8-mips64-public/hotspot: test/gc/g1/Test2GbHeap.java@6cbff0651f1a

     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  */

    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  */

    33 import java.util.ArrayList;

    35 import com.oracle.java.testlibrary.OutputAnalyzer;

    36 import com.oracle.java.testlibrary.ProcessTools;

    38 public class Test2GbHeap {

    39   public static void main(String[] args) throws Exception {

    40     ArrayList<String> testArguments = new ArrayList<String>();

    42     testArguments.add("-XX:+UseG1GC");

    43     testArguments.add("-Xmx2g");

    44     testArguments.add("-version");

    46     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(testArguments.toArray(new String[0]));

    48     OutputAnalyzer output = new OutputAnalyzer(pb.start());

    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 }

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