/*

 * Copyright (c) 2012, 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

/**

 * @test

 * @bug 8003639

 * @summary convert lambda testng tests to jtreg and add them

 * @run testng MethodReferenceTestFDCCE

 */

import org.testng.annotations.Test;

import java.lang.reflect.Array;

import static org.testng.Assert.assertEquals;

import static org.testng.Assert.assertTrue;

import static org.testng.Assert.fail;

/**

 * Method references and raw types.

 * @author Robert Field

 */

@Test

@SuppressWarnings({"rawtypes", "unchecked"})

public class MethodReferenceTestFDCCE {

    static void assertCCE(Throwable t) {

        assertEquals(t.getClass().getName(), "java.lang.ClassCastException");

    }

    interface Pred<T> { boolean accept(T x); }

    interface Ps { boolean accept(short x); }

    interface Oo { Object too(int x); }

    interface Reto<T> { T m(); }

    class A {}

    class B extends A {}

    static boolean isMinor(int x) {

        return x < 18;

    }

    static boolean tst(A x) {

        return true;

    }

    static Object otst(Object x) {

        return x;

    }

    static boolean stst(Short x) {

        return x < 18;

    }

    static short ritst() {

        return 123;

    }

    public void testMethodReferenceFDPrim1() {

        Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;

        Pred p2 = p;

        assertTrue(p2.accept((Byte)(byte)15));

    }

    public void testMethodReferenceFDPrim2() {

        Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;

        Pred p2 = p;

        assertTrue(p2.accept((byte)15));

    }

    public void testMethodReferenceFDPrimICCE() {

        Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;

        Pred p2 = p;

        try {

            p2.accept(15); // should throw CCE

            fail("Exception should have been thrown");

        } catch (Throwable t) {

            assertCCE(t);

        }

    }

    public void testMethodReferenceFDPrimOCCE() {

        Pred<Byte> p = MethodReferenceTestFDCCE::isMinor;

        Pred p2 = p;

        try {

            p2.accept(new Object()); // should throw CCE

            fail("Exception should have been thrown");

        } catch (Throwable t) {

            assertCCE(t);

        }

    }

    public void testMethodReferenceFDRef() {

        Pred<B> p = MethodReferenceTestFDCCE::tst;

        Pred p2 = p;

        assertTrue(p2.accept(new B()));

    }

    public void testMethodReferenceFDRefCCE() {

        Pred<B> p = MethodReferenceTestFDCCE::tst;

        Pred p2 = p;

        try {

            p2.accept(new A()); // should throw CCE

            fail("Exception should have been thrown");

        } catch (Throwable t) {

            assertCCE(t);

        }

    }

    public void testMethodReferenceFDPrimPrim() {

        Ps p = MethodReferenceTestFDCCE::isMinor;

        assertTrue(p.accept((byte)15));

    }

    public void testMethodReferenceFDPrimBoxed() {

        Ps p = MethodReferenceTestFDCCE::stst;

        assertTrue(p.accept((byte)15));

    }

    public void testMethodReferenceFDPrimRef() {

        Oo p = MethodReferenceTestFDCCE::otst;

        assertEquals(p.too(15).getClass().getName(), "java.lang.Integer");

    }

    public void testMethodReferenceFDRet1() {

        Reto<Short> p = MethodReferenceTestFDCCE::ritst;

        assertEquals(p.m(), (Short)(short)123);

    }

}