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 TestOnOutOfMemoryError
  26  * @summary Test using single and multiple -XX:OnOutOfMemoryError=<cmd>
  27  * @modules java.base/jdk.internal.misc
  28  * @library /test/lib
  29  * @run driver TestOnOutOfMemoryError
  30  * @bug 8078470 8177522
  31  */
  32 
  33 import jdk.test.lib.process.ProcessTools;
  34 import jdk.test.lib.process.OutputAnalyzer;
  35 
  36 public class TestOnOutOfMemoryError {
  37 
  38     public static void main(String[] args) throws Exception {
  39         if (args.length == 1) {
  40             // This should guarantee to throw:
  41             //  java.lang.OutOfMemoryError: Requested array size exceeds VM limit
  42             Object[] oa = new Object[Integer.MAX_VALUE];
  43             return;
  44         }
  45 
  46         // else this is the main test
  47         String msg1 = "Test1 Succeeded";
  48         String msg2 = "Test2 Succeeded";
  49         ProcessBuilder pb_single = ProcessTools.createJavaProcessBuilder(
  50            "-XX:OnOutOfMemoryError=echo " + msg1,
  51            TestOnOutOfMemoryError.class.getName(),
  52            "throwOOME");
  53 
  54         ProcessBuilder pb_multiple = ProcessTools.createJavaProcessBuilder(
  55            "-XX:OnOutOfMemoryError=echo " + msg1,
  56            "-XX:OnOutOfMemoryError=echo " + msg2,
  57            TestOnOutOfMemoryError.class.getName(),
  58            "throwOOME");
  59 
  60         OutputAnalyzer output_single = new OutputAnalyzer(pb_single.start());
  61 
  62         OutputAnalyzer output_multiple = new OutputAnalyzer(pb_multiple.start());
  63 
  64         /* Actual output should look like this:
  65            #
  66            # java.lang.OutOfMemoryError: Requested array size exceeds VM limit
  67            # -XX:OnOutOfMemoryError="echo Test Succeeded"
  68            #   Executing /bin/sh -c "echo Test Succeeded"...
  69            Test Succeeded
  70            Exception in thread "main" java.lang.OutOfMemoryError: Requested array size exceeds VM limit
  71            at OOME.main(OOME.java:3)
  72 
  73            So we don't want to match on the "# Executing ..." line, and they
  74            both get written to stdout.
  75         */
  76         output_single.shouldContain("Requested array size exceeds VM limit");
  77         output_single.stdoutShouldMatch("^" + msg1); // match start of line only
  78 
  79         output_multiple.shouldContain("Requested array size exceeds VM limit");
  80         output_multiple.stdoutShouldMatch("^" + msg1); // match start of line only
  81         output_multiple.stdoutShouldMatch("^" + msg2); // match start of line only
  82 
  83         System.out.println("PASSED");
  84     }
  85 }