/*

 * @test /nodynamiccopyright/

 * @bug 8003280

 * @summary Add lambda tests

 *  check that raw qualifier in unbound method reference is inferred from descriptor

 * @compile/fail/ref=MethodReference48.out -XDrawDiagnostics MethodReference48.java

 */

public class MethodReference48 {

    static class Foo<X> {

        X m() { return null; };

    }

    interface SAM1 {

        Foo<Object> m(Foo<String> fs);

    }

    interface SAM2 {

        Integer m(Foo<Integer> fi);

    }

    interface SAM3 {

        Object m(Foo<Integer> fi);

    }

    static void g1(SAM1 s) { } //return type not compatible

    static void g2(SAM2 s) { } //ok

    static void g3(SAM3 s) { } //ok

    static void g4(SAM1 s) { } //return type not compatible

    static void g4(SAM2 s) { } //ok

    static void g4(SAM3 s) { } //ok

    public static void main(String[] args) {

        g1(Foo::m);

        g2(Foo::m);

        g3(Foo::m);

        g4(Foo::m);

    }

}