1 /*
   2  * Copyright (c) 2017, 2018, Red Hat, Inc. 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 package gc.epsilon;
  25 
  26 /**
  27  * @test TestDieWithOnError
  28  * @requires vm.gc.Epsilon & !vm.graal.enabled
  29  * @summary Epsilon GC should die on heap exhaustion with error handler attached
  30  * @library /test/lib
  31  * @run driver gc.epsilon.TestDieWithOnError
  32  */
  33 
  34 import jdk.test.lib.process.OutputAnalyzer;
  35 import jdk.test.lib.process.ProcessTools;
  36 
  37 public class TestDieWithOnError {
  38 
  39   static String ON_ERR_MSG = "Epsilon error handler message";
  40 
  41   public static void passWith(String... args) throws Exception {
  42     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args);
  43     OutputAnalyzer out = new OutputAnalyzer(pb.start());
  44     out.shouldNotContain("OutOfMemoryError");
  45     out.stdoutShouldNotMatch("^" + ON_ERR_MSG);
  46     out.shouldHaveExitValue(0);
  47   }
  48 
  49   public static void failWith(String... args) throws Exception {
  50     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args);
  51     OutputAnalyzer out = new OutputAnalyzer(pb.start());
  52     out.shouldContain("OutOfMemoryError");
  53     if (out.getExitValue() == 0) {
  54       throw new IllegalStateException("Should have failed with non-zero exit code");
  55     }
  56     out.stdoutShouldMatch("^" + ON_ERR_MSG);
  57   }
  58 
  59   public static void main(String[] args) throws Exception {
  60     passWith("-Xmx128m",
  61              "-XX:+UnlockExperimentalVMOptions",
  62              "-XX:+UseEpsilonGC",
  63              "-Dcount=1",
  64              "-XX:OnOutOfMemoryError=echo " + ON_ERR_MSG,
  65              TestDieWithOnError.Workload.class.getName());
  66 
  67     failWith("-Xmx128m",
  68              "-XX:+UnlockExperimentalVMOptions",
  69              "-XX:+UseEpsilonGC",
  70              "-XX:OnOutOfMemoryError=echo " + ON_ERR_MSG,
  71              TestDieWithOnError.Workload.class.getName());
  72 
  73     failWith("-Xmx128m",
  74              "-Xint",
  75              "-XX:+UnlockExperimentalVMOptions",
  76              "-XX:+UseEpsilonGC",
  77              "-XX:OnOutOfMemoryError=echo " + ON_ERR_MSG,
  78              TestDieWithOnError.Workload.class.getName());
  79 
  80     failWith("-Xmx128m",
  81              "-Xbatch",
  82              "-Xcomp",
  83              "-XX:+UnlockExperimentalVMOptions",
  84              "-XX:+UseEpsilonGC",
  85              "-XX:OnOutOfMemoryError=echo " + ON_ERR_MSG,
  86              TestDieWithOnError.Workload.class.getName());
  87 
  88     failWith("-Xmx128m",
  89              "-Xbatch",
  90              "-Xcomp",
  91              "-XX:TieredStopAtLevel=1",
  92              "-XX:+UnlockExperimentalVMOptions",
  93              "-XX:+UseEpsilonGC",
  94              "-XX:OnOutOfMemoryError=echo " + ON_ERR_MSG,
  95              TestDieWithOnError.Workload.class.getName());
  96 
  97     failWith("-Xmx128m",
  98              "-Xbatch",
  99              "-Xcomp",
 100              "-XX:-TieredCompilation",
 101              "-XX:+UnlockExperimentalVMOptions",
 102              "-XX:+UseEpsilonGC",
 103              "-XX:OnOutOfMemoryError=echo " + ON_ERR_MSG,
 104              TestDieWithOnError.Workload.class.getName());
 105   }
 106 
 107   public static class Workload {
 108     static int COUNT = Integer.getInteger("count", 1_000_000_000); // ~24 GB allocation
 109 
 110     static volatile Object sink;
 111 
 112     public static void main(String... args) {
 113       for (int c = 0; c < COUNT; c++) {
 114         sink = new Object();
 115       }
 116     }
 117   }
 118 
 119 }