/*

 * @test /nodynamiccopyright/

 * @bug 8003280

 * @summary Add lambda tests

 *  check that candidates with cyclic type-inference are removed from the

 *          set of applicable methods

 * @compile/fail/ref=TargetType21.out -XDrawDiagnostics TargetType21.java

 */

class TargetType21 {

    interface SAM1 {

        String m1(Integer n) throws Exception;

    }

    interface SAM2 {

        void m2(Integer n);

    }

    interface SAM3<R,A> {

        R m3(A n);

    }

    void call(SAM1 sam) { }

    void call(SAM2 sam) { }

    <R,A> void call(SAM3<R,A> sam) { }

    void test() {

        call(x -> { System.out.println(""); }); //ok - resolves to call(SAM2)

        call(x -> { return (Object) null; }); //error - call(SAM3) is not applicable because of cyclic inference

        call(x -> { return null; }); ////ok - resolves to call(SAM1)

    }

}