Quellcode-Bibliothek

^© Kompilation durch diese Firma

[Weder Korrektheit noch Funktionsfähigkeit der Software werden zugesichert.]

Datei: HeapDumpTest.java Sprache: JAVA

/*
* 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; }
    }
}

¤ Dauer der Verarbeitung: 0.0 Sekunden (vorverarbeitet) ¤

Download des Quellennavigators
Download des sprechenden Kalenders
in der Quellcodebibliothek suchen

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.

Bemerkung:

Die farbliche Syntaxdarstellung ist noch experimentell.