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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * 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
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 *
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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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import java.util.HashMap;
import java.util.List;
import java.util.Map;

import jdk.test.lib.apps.LingeredApp;
import jdk.test.lib.hprof.parser.HprofReader;
import jtreg.SkippedException;

/**
 * @test
 * @bug 8240989
 * @summary Test clhsdb dumpheap command
 * @requires vm.hasSA
 * @library /test/lib
 * @run main/othervm ClhsdbDumpheap
 */

public class ClhsdbDumpheap {
    public static void printStackTraces(String file) {
        try {
            System.out.println("HprofReader.getStack() output:");
            String output = HprofReader.getStack(file, 0);
            if (!output.contains("LingeredApp.main")) {
                throw new RuntimeException("'LingeredApp.main' missing from stdout/stderr");
            }
        } catch (Exception ex) {
            throw new RuntimeException("Test ERROR " + ex, ex);
        }
    }

    public static void main(String[] args) throws Exception {
        System.out.println("Starting ClhsdbDumpheap test");

        LingeredApp theApp = null;
        try {
            String heapDumpFileName = "heapdump.bin";
            ClhsdbLauncher test = new ClhsdbLauncher();

            theApp = new LingeredApp();
            LingeredApp.startApp(theApp);
            System.out.println("Started LingeredApp with pid " + theApp.getPid());

            List<String> cmds = List.of("dumpheap " + heapDumpFileName);

            Map<String, List<String>> expStrMap = new HashMap<>();
            expStrMap.put("dumpheap", List.of(
                    "heap written to " + heapDumpFileName));

            test.run(theApp.getPid(), cmds, expStrMap, null);
            printStackTraces(heapDumpFileName);
        } catch (SkippedException se) {
            throw se;
        } catch (Exception ex) {
            throw new RuntimeException("Test ERROR " + ex, ex);
        } finally {
            LingeredApp.stopApp(theApp);
        }
        System.out.println("Test PASSED");
    }
}