1 /*

     2  * Copyright (c) 2015, 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 TestOnOutOfMemoryError

    26  * @summary Test using -XX:OnOutOfMemoryError=<cmd>

    27  * @library /testlibrary

    28  * @build TestOnOutOfMemoryError

    29  * @run main TestOnOutOfMemoryError

    30  * @bug 8078470

    31  */

    32 

    33 import jdk.test.lib.*;

    34 

    35 public class TestOnOutOfMemoryError {

    36 

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

    38         if (args.length == 1) {

    39             // This should guarantee to throw:

    40             //  java.lang.OutOfMemoryError: Requested array size exceeds VM limit

    41             Object[] oa = new Object[Integer.MAX_VALUE];

    42             return;

    43         }

    44 

    45         // else this is the main test

    46         String msg = "Test Succeeded";

    47         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(

    48            "-XX:OnOutOfMemoryError=echo " + msg,

    49            TestOnOutOfMemoryError.class.getName(),

    50            "throwOOME");

    51 

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

    53 

    54         /* Actual output should look like this:

    55            #

    56            # java.lang.OutOfMemoryError: Requested array size exceeds VM limit

    57            # -XX:OnOutOfMemoryError="echo Test Succeeded"

    58            #   Executing /bin/sh -c "echo Test Succeeded"...

    59            Test Succeeded

    60            Exception in thread "main" java.lang.OutOfMemoryError: Requested array size exceeds VM limit

    61            at OOME.main(OOME.java:3)

    62 

    63            So we don't want to match on the "# Executing ..." line, and they

    64            both get written to stdout.

    65         */

    66         output.shouldContain("Requested array size exceeds VM limit");

    67         output.stdoutShouldMatch("^" + msg); // match start of line only

    68         System.out.println("PASSED");

    69     }

    70 }