hotspot/test/serviceability/sa/jmap-hashcode/Test8028623.java

/*
 * Copyright (c) 2014, 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
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 */

import jdk.test.lib.JDKToolLauncher;
import jdk.test.lib.process.OutputBuffer;
import jdk.test.lib.Platform;
import jdk.test.lib.process.ProcessTools;

import java.io.File;

/*
 * @test
 * @bug 8028623
 * @summary Test hashing of extended characters in Serviceability Agent.
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.compiler
 *          java.management
 *          jdk.jvmstat/sun.jvmstat.monitor
 * @compile -encoding utf8 Test8028623.java
 * @run main/othervm -XX:+UsePerfData Test8028623
 */
public class Test8028623 {

  public static int \u00CB = 1;
  public static String dumpFile = "heap.bin";

  public static void main (String[] args) {

    System.out.println(\u00CB);

    try {
        if (!Platform.shouldSAAttach()) {
            System.out.println("SA attach not expected to work - test skipped.");
            return;
        }
        long pid = ProcessTools.getProcessId();
        JDKToolLauncher jmap = JDKToolLauncher.create("jhsdb")
                                              .addToolArg("jmap")
                                              .addToolArg("--binaryheap")
                                              .addToolArg("--pid")
                                              .addToolArg(Long.toString(pid));
        ProcessBuilder pb = new ProcessBuilder(jmap.getCommand());
        OutputBuffer output = ProcessTools.getOutput(pb);
        Process p = pb.start();
        int e = p.waitFor();
        System.out.println("stdout:");
        System.out.println(output.getStdout());
        System.out.println("stderr:");
        System.out.println(output.getStderr());

        if (e != 0) {
            throw new RuntimeException("jmap returns: " + e);
        }
        if (! new File(dumpFile).exists()) {
            throw new RuntimeException("dump file NOT created: '" + dumpFile + "'");
        }
    } catch (Throwable t) {
        t.printStackTrace();
        throw new RuntimeException("Test failed with: " + t);
    }
  }
}