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 * 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.

 *

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import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.ArrayList;

import jdk.test.lib.apps.LingeredApp;

/**

 * @test

 * @bug 8192985

 * @summary Test the clhsdb 'printas' command

 * @requires vm.hasSA

 * @library /test/lib

 * @run main/othervm ClhsdbPrintAs

 */

public class ClhsdbPrintAs {

    public static void main(String[] args) throws Exception {

        System.out.println("Starting the ClhsdbPrintAs test");

        LingeredApp theApp = null;

        try {

            ClhsdbLauncher test = new ClhsdbLauncher();

            theApp = LingeredApp.startApp();

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

            // Run the 'jstack -v' command to get the address of a the Method*

            // representing LingeredApp.main

            List<String> cmds = List.of("jstack -v");

            Map<String, List<String>> expStrMap;

            String jstackOutput = test.run(theApp.getPid(), cmds, null, null);

            if (jstackOutput == null) {

                // Output could be null due to attach permission issues

                // and if we are skipping this.

                LingeredApp.stopApp(theApp);

                return;

            }

            String[] snippets = jstackOutput.split("LingeredApp.main");

            String addressString = null;

            String[] tokens = snippets[1].split("Method\\*=");

            String[] words = tokens[1].split(" ");

            addressString = words[0];

            cmds = new ArrayList<String>();

            expStrMap = new HashMap<>();

            String cmd = "printas Method " + addressString;

            cmds.add(cmd);

            expStrMap.put(cmd, List.of

                ("ConstMethod", "MethodCounters", "Method::_access_flags"));

            // Run the printas Method <addr> command to obtain the address

            // of ConstMethod*

            String methodDetailsOutput = test.run(theApp.getPid(), cmds, expStrMap, null);

            snippets = methodDetailsOutput.split("ConstMethod*");

            tokens = snippets[1].split(" ");

            for (String token : tokens) {

                if (token.contains("0x")) {

                    addressString = token.replace("\n", "");

                    break;

                }

            }

            cmds = new ArrayList<String>();

            expStrMap = new HashMap<>();

            cmd = "printas ConstMethod " + addressString;

            cmds.add(cmd);

            expStrMap.put(cmd, List.of

                ("ConstantPool", "_max_locals", "_flags"));

            // Run the printas constMethod <addr> command to obtain the address

            // of ConstantPool*

            String constMethodDetailsOutput = test.run(theApp.getPid(), cmds, expStrMap, null);

            snippets = constMethodDetailsOutput.split("ConstantPool*");

            tokens = snippets[1].split(" ");

            for (String token : tokens) {

                if (token.contains("0x")) {

                    addressString = token.replace("\n", "");

                    break;

                }

            }

            cmds = new ArrayList<String>();

            expStrMap = new HashMap<>();

            cmd = "printas ConstantPool " + addressString;

            cmds.add(cmd);

            expStrMap.put(cmd, List.of

                ("ConstantPoolCache", "_pool_holder", "InstanceKlass*"));

            test.run(theApp.getPid(), cmds, expStrMap, null);

        } catch (Exception ex) {

            throw new RuntimeException("Test ERROR " + ex, ex);

        } finally {

            LingeredApp.stopApp(theApp);

        }

        System.out.println("Test PASSED");

    }

}