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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* under the terms of the GNU General Public License version 2 only , as
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*
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* 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 ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/**
* @ 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; }
}
}
Messung V0.5 in Prozent C=90 H=94 G=91
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
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