1 /* 2 * Copyright (c) 2018, 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 TestHeapDumpPath 26 * @summary Test verifies that -XX:HeapDumpPath= supports directory as a parameter. 27 * @library /test/lib 28 * @run driver TestHeapDumpPath 29 */ 30 31 import jdk.test.lib.Asserts; 32 import jdk.test.lib.hprof.HprofParser; 33 import jdk.test.lib.process.ProcessTools; 34 import jdk.test.lib.process.OutputAnalyzer; 35 36 import java.io.File; 37 38 public class TestHeapDumpPath { 39 40 public static void main(String[] args) throws Exception { 41 if (args.length == 1) { 42 try { 43 Object[] oa = new Object[Integer.MAX_VALUE]; 44 throw new Error("OOME not triggered"); 45 } catch (OutOfMemoryError err) { 46 return; 47 } 48 } 49 50 testHeapDumpPath(); 51 } 52 static void testHeapDumpPath() throws Exception { 53 String heapdumpPath = "dumps"; 54 File dumpDirectory = new File(heapdumpPath); 55 dumpDirectory.mkdir(); 56 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+HeapDumpOnOutOfMemoryError", 57 "-Xmx64m", "-XX:HeapDumpPath=" + heapdumpPath, TestHeapDumpPath.class.getName(), "OOME"); 58 59 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 60 output.stdoutShouldNotBeEmpty(); 61 output.shouldContain("Dumping heap"); 62 63 Asserts.assertFalse(dumpDirectory.listFiles().length == 0, 64 "There is no dump files found in " + dumpDirectory ); 65 66 Asserts.assertTrue(dumpDirectory.listFiles().length == 1, 67 "There are unexpected files in " + dumpDirectory 68 + ": " + String.join(",", dumpDirectory.list()) +"."); 69 70 File dump = dumpDirectory.listFiles()[0]; 71 Asserts.assertTrue(dump.exists() && dump.isFile(), 72 "Could not find dump file " + dump.getAbsolutePath()); 73 74 HprofParser.parse(dump); 75 System.out.println("PASSED"); 76 } 77 78 }