1 /*

     2  * Copyright (c) 2015, 2017, 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 TestPrintGCDetailsVerbose

    26  * @bug 8016740 8177963

    27  * @summary Tests that jvm with maximally verbose GC logging does not crash when ParOldGC has no memory

    28  * @key gc

    29  * @requires vm.gc.Parallel

    30  * @modules java.base/jdk.internal.misc

    31  * @run main/othervm -Xmx50m -XX:+UseParallelGC -Xlog:gc*=trace TestPrintGCDetailsVerbose

    32  * @run main/othervm -Xmx50m -XX:+UseParallelGC -XX:GCTaskTimeStampEntries=1 -Xlog:gc*=trace TestPrintGCDetailsVerbose

    33  */

    34 public class TestPrintGCDetailsVerbose {

    35 

    36     public static void main(String[] args) {

    37         for (int t = 0; t <= 10; t++) {

    38             byte a[][] = new byte[100000][];

    39             try {

    40                 for (int i = 0; i < a.length; i++) {

    41                     a[i] = new byte[100000];

    42                 }

    43             } catch (OutOfMemoryError oome) {

    44                 a = null;

    45                 System.out.println("OOM!");

    46                 continue;

    47             }

    48         }

    49     }

    50 }

    51