--- /dev/null 2018-04-27 20:26:53.042636102 -0700 +++ new/test/hotspot/jtreg/runtime/ErrorHandling/TestHeapDumpPath.java 2018-06-12 16:04:27.856914632 -0700 @@ -0,0 +1,78 @@ +/* + * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * @test TestHeapDumpPath + * @summary Test verifies that -XX:HeapDumpPath= supports directory as a parameter. + * @library /test/lib + * @run driver TestHeapDumpPath + */ + +import jdk.test.lib.Asserts; +import jdk.test.lib.hprof.HprofParser; +import jdk.test.lib.process.ProcessTools; +import jdk.test.lib.process.OutputAnalyzer; + +import java.io.File; + +public class TestHeapDumpPath { + + public static void main(String[] args) throws Exception { + if (args.length == 1) { + try { + Object[] oa = new Object[Integer.MAX_VALUE]; + throw new Error("OOME not triggered"); + } catch (OutOfMemoryError err) { + return; + } + } + + testHeapDumpPath(); + } + static void testHeapDumpPath() throws Exception { + String heapdumpPath = "dumps"; + File dumpDirectory = new File(heapdumpPath); + dumpDirectory.mkdir(); + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+HeapDumpOnOutOfMemoryError", + "-Xmx64m", "-XX:HeapDumpPath=" + heapdumpPath, TestHeapDumpPath.class.getName(), "OOME"); + + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + output.stdoutShouldNotBeEmpty(); + output.shouldContain("Dumping heap"); + + Asserts.assertFalse(dumpDirectory.listFiles().length == 0, + "There is no dump files found in " + dumpDirectory ); + + Asserts.assertTrue(dumpDirectory.listFiles().length == 1, + "There are unexpected files in " + dumpDirectory + + ": " + String.join(",", dumpDirectory.list()) +"."); + + File dump = dumpDirectory.listFiles()[0]; + Asserts.assertTrue(dump.exists() && dump.isFile(), + "Could not find dump file " + dump.getAbsolutePath()); + + HprofParser.parse(dump); + System.out.println("PASSED"); + } + +}