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