92 lines
3.2 KiB
Java
92 lines
3.2 KiB
Java
/*
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* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import org.testng.annotations.Test;
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import org.testng.Assert;
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import java.io.File;
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import java.nio.file.Files;
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import java.io.IOException;
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import java.util.List;
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import jdk.test.lib.hprof.HprofParser;
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import jdk.test.lib.hprof.model.Snapshot;
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import jdk.test.lib.JDKToolFinder;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.dcmd.CommandExecutor;
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import jdk.test.lib.dcmd.PidJcmdExecutor;
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/*
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* @test
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* @summary Test of diagnostic command GC.heap_dump
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.compiler
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* java.management
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* jdk.internal.jvmstat/sun.jvmstat.monitor
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* @run testng HeapDumpTest
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*/
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public class HeapDumpTest {
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protected String heapDumpArgs = "";
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public void run(CommandExecutor executor) throws IOException {
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File dump = new File("jcmd.gc.heap_dump." + System.currentTimeMillis() + ".hprof");
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if (dump.exists()) {
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dump.delete();
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}
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String cmd = "GC.heap_dump " + heapDumpArgs + " " + dump.getAbsolutePath();
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executor.execute(cmd);
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verifyHeapDump(dump);
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dump.delete();
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}
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private void verifyHeapDump(File dump) {
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Assert.assertTrue(dump.exists() && dump.isFile(), "Could not create dump file " + dump.getAbsolutePath());
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try {
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File out = HprofParser.parse(dump);
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Assert.assertTrue(out != null && out.exists() && out.isFile(), "Could not find hprof parser output file");
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List<String> lines = Files.readAllLines(out.toPath());
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Assert.assertTrue(lines.size() > 0, "hprof parser output file is empty");
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for (String line : lines) {
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Assert.assertFalse(line.matches(".*WARNING(?!.*Failed to resolve object.*constantPoolOop.*).*"));
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}
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out.delete();
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} catch (Exception e) {
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e.printStackTrace();
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Assert.fail("Could not parse dump file " + dump.getAbsolutePath());
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}
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}
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/* GC.heap_dump is not available over JMX, running jcmd pid executor instead */
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@Test
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public void pid() throws IOException {
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run(new PidJcmdExecutor());
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}
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}
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