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

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 *

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 * 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

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 * 2 along with this work; if not, write to the Free Software Foundation,

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/*

 * @test

 * @bug 8003280

 * @summary Add lambda tests

 *  check that SAM conversion handles covarinat return types correctly

 * @author  Peter Levart

 * @author  Maurizio Cimadamore

 * @run main LambdaConv08

 */

public class LambdaConv08 {

    static int assertionCount = 0;

    static void assertTrue(boolean cond) {

        assertionCount++;

        if (!cond)

            throw new AssertionError();

    }

    public interface ObjectF { Object invoke(); }

    public interface StringF extends ObjectF { String invoke(); }

    public static void call(StringF stringFunc) {

        assertTrue(true);

    }

    public static void call(ObjectF objectFunc) {  }

    public static void main(String[] args)   {

        call(()-> "Hello");

        assertTrue(assertionCount == 1);

    }

}