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 com.oracle.java.testlibrary.* 29 * @run main TestOnOutOfMemoryError 30 * @bug 8078470 31 */ 32 33 import com.oracle.java.testlibrary.*; 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 }