/*

 * Copyright (c) 2016, 2018, 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.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * 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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package jdk.jfr.startupargs;

import java.util.ArrayList;

import java.util.List;

import java.util.function.Consumer;

import jdk.test.lib.jfr.EventNames;

import jdk.test.lib.jfr.SimpleEvent;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

/*

 * @test

 * @key jfr

 * @library /test/lib

 * @run main/othervm jdk.jfr.startupargs.TestRetransformUsingLog

 */

public class TestRetransformUsingLog {

    private static final String FILE_READ_FORCED_CLASS_LOAD = "Adding forced instrumentation for event type " + EventNames.FileRead + " during initial class load";

    private static final String SIMPLE_EVENT_FORCED_CLASS_LOAD = "Adding forced instrumentation for event type jdk.test.lib.jfr.SimpleEvent during initial class load";

    private static final String SIMPLE_EVENT_UNFORCED_CLASS_LOAD = "Adding instrumentation for event type jdk.test.lib.jfr.SimpleEvent during initial class load";

    public static class TestApp {

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

            SimpleEvent event = new SimpleEvent();

            event.commit();

        }

    }

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

        testRecordingRetransFormFalse();

        testRecordingRetransFormTrue();

        testNoRecordingRetransFormFalse();

        testNoRecordingRetransFormTrue();

    }

    private static void testRecordingRetransFormFalse() throws Exception {

        startApp(true, false, out -> {

            out.shouldContain(FILE_READ_FORCED_CLASS_LOAD);

            out.shouldContain(SIMPLE_EVENT_FORCED_CLASS_LOAD);

        });

    }

    private static void testRecordingRetransFormTrue() throws Exception {

        startApp(true, true, out -> {

            out.shouldContain(FILE_READ_FORCED_CLASS_LOAD);

            out.shouldContain(SIMPLE_EVENT_UNFORCED_CLASS_LOAD);

        });

    }

    private static void testNoRecordingRetransFormFalse() throws Exception {

        startApp(false, false, out -> {

            out.shouldNotContain(FILE_READ_FORCED_CLASS_LOAD);

            out.shouldContain(SIMPLE_EVENT_FORCED_CLASS_LOAD);

        });

    }

    private static void testNoRecordingRetransFormTrue() throws Exception {

        startApp(false, true, out -> {

            out.shouldNotContain(FILE_READ_FORCED_CLASS_LOAD);

            out.shouldNotContain(SIMPLE_EVENT_FORCED_CLASS_LOAD);

            out.shouldNotContain(SIMPLE_EVENT_UNFORCED_CLASS_LOAD);

        });

    }

    private static void startApp(boolean recording, boolean retransform, Consumer<OutputAnalyzer> verifier) throws Exception {

        List<String> args = new ArrayList<>();

        args.add("-Xlog:jfr+system");

        args.add("-XX:FlightRecorderOptions=retransform=" + retransform);

        if (recording) {

            args.add("-XX:StartFlightRecording");

        }

        args.add(TestApp.class.getName());

        System.out.println();

        System.out.println("Starting test app:");

        System.out.print("java ");

        for (String arg : args) {

            System.out.print(arg + " ");

        }

        System.out.println();

        System.out.println();

        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, args.toArray(new String[0]));

        OutputAnalyzer out = ProcessTools.executeProcess(pb);

        System.out.println(out.getOutput());

        verifier.accept(out);

    }

}