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/*
* Copyright (c) 2016, 2021, 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
* @bug 8163346
* @summary Test hashing of extended characters in Serviceability Agent.
* @requires vm.hasSA
* @library /test/lib
* @compile -encoding utf8 HeapDumpTest.java
* @run main/timeout=240 HeapDumpTest
*/
import static jdk.test.lib.Asserts.assertTrue;
import java.io.IOException;
import java.io.File;
import java.util.List;
import java.util.Arrays;
import jdk.test.lib.Utils;
import jdk.test.lib.apps.LingeredApp;
import jdk.test.lib.hprof.parser.HprofReader;
import jdk.test.lib.JDKToolLauncher;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.SA.SATestUtils;
public class HeapDumpTest {
private static LingeredAppWithExtendedChars theApp = null;
private static final String SUCCESS_STRING = "heap written to";
/**
*
* @param vmArgs - tool arguments to launch jhsdb
* @return exit code of tool
*/
public static void launch(int expectedExitValue, List<String> toolArgs)
throws IOException {
System.out.println("Starting LingeredApp");
try {
theApp = new LingeredAppWithExtendedChars();
LingeredApp.startApp(theApp, "-Xmx256m");
System.out.println(theApp.\u00CB);
System.out.println("Starting " + toolArgs.get(0) + " against " + theApp.getPid());
JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb");
launcher.addVMArgs(Utils.getFilteredTestJavaOpts("-Xcomp"));
for (String cmd : toolArgs) {
launcher.addToolArg(cmd);
}
launcher.addToolArg("--pid=" + Long.toString(theApp.getPid()));
ProcessBuilder processBuilder = SATestUtils.createProcessBuilder(launcher);
processBuilder.redirectError(ProcessBuilder.Redirect.INHERIT);
OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
System.out.println("stdout:");
System.out.println(output.getStdout());
System.out.println("stderr:");
System.out.println(output.getStderr());
output.shouldHaveExitValue(expectedExitValue);
if (expectedExitValue == 0) {
output.shouldContain(SUCCESS_STRING);
} else {
output.stdoutShouldNotContain(SUCCESS_STRING);
}
} catch (Exception ex) {
throw new RuntimeException("Test ERROR " + ex, ex);
} finally {
LingeredApp.stopApp(theApp);
}
}
public static void launch(int expectedExitValue, String... toolArgs)
throws IOException {
launch(expectedExitValue, Arrays.asList(toolArgs));
}
public static void printStackTraces(String file) throws IOException {
try {
String output = HprofReader.getStack(file, 0);
if (!output.contains("LingeredApp.steadyState")) {
throw new RuntimeException("'LingeredApp.steadyState' missing from stdout/stderr");
}
} catch (Exception ex) {
throw new RuntimeException("Test ERROR " + ex, ex);
}
}
public static void testHeapDump(SubTest subtest) throws IOException {
String gzOption = subtest.getGzOption();
boolean checkSuccess = subtest.needCheckSuccess();
int expectedExitValue = checkSuccess ? 0 : 1;
File dump = new File("jhsdb.jmap.heap." +
System.currentTimeMillis() + ".hprof");
if (dump.exists()) {
dump.delete();
}
if (gzOption == null || gzOption.length() == 0) {
launch(expectedExitValue, "jmap",
"--binaryheap", "--dumpfile=" + dump.getAbsolutePath());
} else {
launch(expectedExitValue, "jmap",
"--binaryheap", gzOption, "--dumpfile=" + dump.getAbsolutePath());
}
if (checkSuccess) {
assertTrue(dump.exists() && dump.isFile(),
"Could not create dump file " + dump.getAbsolutePath());
printStackTraces(dump.getAbsolutePath());
dump.delete();
} else {
assertTrue(!dump.exists(), "Unexpected file created: " + dump.getAbsolutePath());
}
}
public static void main(String[] args) throws Exception {
SATestUtils.skipIfCannotAttach(); // throws SkippedException if attach not expected to work.
SubTest[] subtests = new SubTest[] {
new SubTest("", true/*checkSuccess*/),
new SubTest("--gz=1", true),
new SubTest("--gz=9", true),
new SubTest("--gz=0", false),
new SubTest("--gz=100", false),
new SubTest("--gz=", false),
new SubTest("--gz", false),
};
// Run subtests
for (int i = 0; i < subtests.length;i++) {
testHeapDump(subtests[i]);
}
// The test throws RuntimeException on error.
// IOException is thrown if LingeredApp can't start because of some bad
// environment condition
System.out.println("Test PASSED");
}
private static class SubTest {
private String gzOption;
boolean needCheckSuccess;
public SubTest(String gzOpt, boolean checkSuccess) {
gzOption = gzOpt;
needCheckSuccess = checkSuccess;
}
public String getGzOption() { return gzOption; }
public boolean needCheckSuccess() { return needCheckSuccess; }
}
}
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