/*

 * Copyright (c) 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

import java.io.*;

import java.nio.file.*;

import jdk.test.lib.*;

import jdk.test.lib.dcmd.*;

import org.testng.annotations.Test;

/*

 * Test to attach JVMTI java agent.

 *

 * @test

 * @bug 8147388

 * @library /testlibrary

 * @modules java.base/sun.misc

 *          java.compiler

 *          java.instrument

 *          java.management

 *          jdk.jvmstat/sun.jvmstat.monitor

 * @build ClassFileInstaller jdk.test.lib.* SimpleJvmtiAgent

 * @run main ClassFileInstaller SimpleJvmtiAgent

 * @run testng LoadAgentDcmdTest

 */

public class LoadAgentDcmdTest {

    public String getLibInstrumentPath() throws FileNotFoundException {

        String jdkPath = System.getProperty("test.jdk");

        if (jdkPath == null) {

            throw new RuntimeException(

                      "System property 'test.jdk' not set. " +

                      "This property is normally set by jtreg. " +

                      "When running test separately, set this property using " +

                      "'-Dtest.jdk=/path/to/jdk'.");

        }

        Path libpath;

        if (Platform.isWindows()) {

            libpath = Paths.get(jdkPath, "bin", "instrument.dll");

        } else {

            libpath = Paths.get(jdkPath, "lib", Platform.getOsArch(), "libinstrument.so");

        }

        if (!libpath.toFile().exists()) {

            throw new FileNotFoundException(

                      "Could not find " + libpath.toAbsolutePath());

        }

        return libpath.toAbsolutePath().toString();

    }

    public void run(CommandExecutor executor)  {

        try{

            PrintWriter pw = new PrintWriter("MANIFEST.MF");

            pw.println("Agent-Class: SimpleJvmtiAgent");

            pw.close();

            ProcessBuilder pb = new ProcessBuilder();

            pb.command(new String[] { JDKToolFinder.getJDKTool("jar"),

                                      "cmf",

                                      "MANIFEST.MF",

                                      "agent.jar",

                                      "SimpleJvmtiAgent.class"});

            pb.start().waitFor();

            String libpath = getLibInstrumentPath();

            // Test 1: No argument

            OutputAnalyzer output = executor.execute("JVMTI.agent_load " +

                                                     libpath + " agent.jar");

            output.stderrShouldBeEmpty();

            // Test 2: With argument

            output = executor.execute("JVMTI.agent_load " +

                                      libpath + " \"agent.jar=foo=bar\"");

            output.stderrShouldBeEmpty();

        } catch (Exception e) {

            throw new RuntimeException(e);

        }

    }

    @Test

    public void jmx() throws Throwable {

        run(new JMXExecutor());

    }

    @Test

    public void cli() throws Throwable {

        run(new PidJcmdExecutor());

    }

}