/*

 * 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 MethodReferenceTestNew

 */

import org.testng.annotations.Test;

import static org.testng.Assert.assertEquals;

/**

 * @author Robert Field

 */

@Test

public class MethodReferenceTestNew {

    interface M0<T> {

        T m();

    }

    static class N0 {

        N0() {

        }

    }

    interface M1<T> {

        T m(Integer a);

    }

    static class N1 {

        int i;

        N1(int i) {

            this.i = i;

        }

    }

    interface M2<T> {

        T m(Integer n, String o);

    }

    static class N2 {

        Number n;

        Object o;

        N2(Number n, Object o) {

            this.n = n;

            this.o = o;

        }

        public String toString() {

            return "N2(" + n + "," + o + ")";

        }

    }

    interface MV {

        NV m(Integer ai, int i);

    }

    static class NV {

        int i;

        NV(int... v) {

            i = 0;

            for (int x : v) {

                i += x;

            }

        }

        public String toString() {

            return "NV(" + i + ")";

        }

    }

    public void testConstructorReference0() {

        M0<N0> q;

        q = N0::new;

        assertEquals(q.m().getClass().getSimpleName(), "N0");

    }

    public void testConstructorReference1() {

        M1<N1> q;

        q = N1::new;

        assertEquals(q.m(14).getClass().getSimpleName(), "N1");

    }

    public void testConstructorReference2() {

        M2<N2> q;

        q = N2::new;

        assertEquals(q.m(7, "hi").toString(), "N2(7,hi)");

    }

    public void testConstructorReferenceVarArgs() {

        MV q;

        q = NV::new;

        assertEquals(q.m(5, 45).toString(), "NV(50)");

    }

}