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/*
* Copyright (c) 2005, 2016, 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.
*/
import static jdk.testlibrary.Asserts.assertTrue;
import static jdk.testlibrary.Asserts.fail;
import java.io.File;
import java.util.Arrays;
import jdk.test.lib.hprof.HprofParser;
import jdk.testlibrary.JDKToolLauncher;
import jdk.testlibrary.OutputAnalyzer;
import jdk.testlibrary.ProcessTools;
/*
* @test
* @summary Unit test for jmap utility
* @key intermittent
* @library /lib/testlibrary
* @library /test/lib
* @build jdk.testlibrary.*
* @build jdk.test.lib.hprof.*
* @build jdk.test.lib.hprof.model.*
* @build jdk.test.lib.hprof.parser.*
* @build jdk.test.lib.hprof.util.*
* @run main/timeout=240 BasicJMapTest
*/
public class BasicJMapTest {
private static ProcessBuilder processBuilder = new ProcessBuilder();
public static void main(String[] args) throws Exception {
testHisto();
testHistoLive();
testFinalizerInfo();
testClstats();
testDump();
testDumpLive();
}
private static void testHisto() throws Exception {
OutputAnalyzer output = jmap("-histo");
output.shouldHaveExitValue(0);
}
private static void testHistoLive() throws Exception {
OutputAnalyzer output = jmap("-histo:live");
output.shouldHaveExitValue(0);
}
private static void testFinalizerInfo() throws Exception {
OutputAnalyzer output = jmap("-finalizerinfo");
output.shouldHaveExitValue(0);
}
private static void testClstats() throws Exception {
OutputAnalyzer output = jmap("-clstats");
output.shouldHaveExitValue(0);
}
private static void testDump() throws Exception {
dump(false);
}
private static void testDumpLive() throws Exception {
dump(true);
}
private static void dump(boolean live) throws Exception {
File dump = new File("jmap.dump." + System.currentTimeMillis() + ".hprof");
if (dump.exists()) {
dump.delete();
}
OutputAnalyzer output;
if (live) {
output = jmap("-dump:live,format=b,file=" + dump.getName());
} else {
output = jmap("-dump:format=b,file=" + dump.getName());
}
output.shouldHaveExitValue(0);
output.shouldContain("Heap dump file created");
verifyDumpFile(dump);
dump.delete();
}
private static void verifyDumpFile(File dump) {
assertTrue(dump.exists() && dump.isFile(), "Could not create dump file " + dump.getAbsolutePath());
try {
HprofParser.parse(dump);
} catch (Exception e) {
e.printStackTrace();
fail("Could not parse dump file " + dump.getAbsolutePath());
}
}
private static OutputAnalyzer jmap(String... toolArgs) throws Exception {
JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jmap");
if (toolArgs != null) {
for (String toolArg : toolArgs) {
launcher.addToolArg(toolArg);
}
}
launcher.addToolArg(Long.toString(ProcessTools.getProcessId()));
processBuilder.command(launcher.getCommand());
System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", ""));
OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
System.out.println(output.getOutput());
return output;
}
}
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