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 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 * 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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 */

/*

 * @test ClassResolutionTest

 * @bug 8144874

 * @modules java.base/jdk.internal.misc

 * @library /test/lib

 * @run driver ClassResolutionTest

 */

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

import java.lang.ref.WeakReference;

import java.lang.reflect.Method;

public class ClassResolutionTest {

    public static class ClassResolutionTestMain {

        public static class Thing1 {

            public static int getThingNumber() {

                return 1;

            }

        };

        public static class Thing1Handler {

            public static int getThingNumber() {

                return Thing1.getThingNumber();

            }

        };

        public static void main(String... args) throws Exception {

            int x = Thing1Handler.getThingNumber();

            System.out.println("ThingNumber: "+Integer.toString(x));

        }

    }

    public static void main(String... args) throws Exception {

        // (1) class+resolve should turn on.

        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:class+resolve=debug",

                                                                  ClassResolutionTestMain.class.getName());

        OutputAnalyzer o = new OutputAnalyzer(pb.start());

        o.shouldContain("[class,resolve] ClassResolutionTest$ClassResolutionTestMain$Thing1Handler ClassResolutionTest$ClassResolutionTestMain$Thing1");

        o.shouldContain("[class,resolve] resolve JVM_CONSTANT_MethodHandle");

        // (2) class+resolve should turn off.

        pb = ProcessTools.createJavaProcessBuilder("-Xlog:class+resolve=debug",

                                                   "-Xlog:class+resolve=off",

                                                   ClassResolutionTestMain.class.getName());

        o = new OutputAnalyzer(pb.start());

        o.shouldNotContain("[class,resolve]");

        // (3) TraceClassResolution should turn on.

        pb = ProcessTools.createJavaProcessBuilder("-XX:+TraceClassResolution",

                                                   ClassResolutionTestMain.class.getName());

        o = new OutputAnalyzer(pb.start());

        o.shouldContain("[class,resolve] ClassResolutionTest$ClassResolutionTestMain$Thing1Handler ClassResolutionTest$ClassResolutionTestMain$Thing1");

        // (4) TraceClassResolution should turn off.

        pb = ProcessTools.createJavaProcessBuilder("-Xlog:class+resolve=debug",

                                                   "-XX:-TraceClassResolution",

                                                   ClassResolutionTestMain.class.getName());

        o = new OutputAnalyzer(pb.start());

        o.shouldNotContain("[class,resolve]");

    };

}