/*

 * Copyright (c) 2013, 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.

 */

/*

 * @test

 * @bug 8027631

 * @summary profiling of arguments at calls cannot rely on signature of callee for types

 *

 * @run main/othervm -XX:-BackgroundCompilation -XX:TieredStopAtLevel=3 -XX:TypeProfileLevel=111

 *                   -XX:Tier3InvocationThreshold=200 -XX:Tier0InvokeNotifyFreqLog=7

 *                   compiler.profiling.TestUnexpectedProfilingMismatch

 */

package compiler.profiling;

import java.lang.invoke.MethodHandle;

import java.lang.invoke.MethodHandles;

import java.lang.invoke.MethodType;

public class TestUnexpectedProfilingMismatch {

    static class A {

    }

    static class B {

    }

    static void mA(A a) {

    }

    static void mB(B b) {

    }

    static final MethodHandle mhA;

    static final MethodHandle mhB;

    static {

        MethodHandles.Lookup lookup = MethodHandles.lookup();

        MethodType mt = MethodType.methodType(void.class, A.class);

        MethodHandle res = null;

        try {

            res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mA", mt);

        } catch(NoSuchMethodException ex) {

        } catch(IllegalAccessException ex) {

        }

        mhA = res;

        mt = MethodType.methodType(void.class, B.class);

        try {

            res = lookup.findStatic(TestUnexpectedProfilingMismatch.class, "mB", mt);

        } catch(NoSuchMethodException ex) {

        } catch(IllegalAccessException ex) {

        }

        mhB = res;

    }

    void m1(A a, boolean doit) throws Throwable {

        if (doit) {

            mhA.invoke(a);

        }

    }

    void m2(B b) throws Throwable {

        mhB.invoke(b);

    }

    static public void main(String[] args) {

        TestUnexpectedProfilingMismatch tih = new TestUnexpectedProfilingMismatch();

        A a = new A();

        B b = new B();

        try {

            for (int i = 0; i < 256 - 1; i++) {

                tih.m1(a, true);

            }

            // Will trigger the compilation but will also run once

            // more interpreted with a non null MDO which it will

            // update. Make it skip the body of the method.

            tih.m1(a, false);

            // Compile this one as well and do the profiling

            for (int i = 0; i < 256; i++) {

                tih.m2(b);

            }

            // Will run and see a conflict

            tih.m1(a, true);

        } catch(Throwable ex) {

            ex.printStackTrace();

        }

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

    }

}