1 /*

     2  * @test /nodynamiccopyright/

     3  * @summary smoke test for inference of throws type variables

     4  * @compile/fail/ref=TargetType63.out -XDrawDiagnostics TargetType63.java

     5  */

     6 class TargetType63 {

     7 

     8     interface F<T extends Throwable> {

     9         void m() throws T;

    10     }

    11 

    12     void g1() { }

    13     void g2() throws ClassNotFoundException { }

    14     void g3() throws Exception { }

    15 

    16     <Z extends Throwable> void m1(F<Z> fz) throws Z { }

    17     <Z extends ClassNotFoundException> void m2(F<Z> fz) throws Z { }

    18 

    19     void test1() {

    20         m1(()->{ }); //ok (Z = RuntimeException)

    21         m1(this::g1); //ok (Z = RuntimeException)

    22     }

    23 

    24     void test2() {

    25         m2(()->{ }); //fail (Z = ClassNotFoundException)

    26         m2(this::g1); //fail (Z = ClassNotFoundException)

    27     }

    28 

    29     void test3() {

    30         m1(()->{ throw new ClassNotFoundException(); }); //fail (Z = ClassNotFoundException)

    31         m1(this::g2); //fail (Z = ClassNotFoundException)

    32         m2(()->{ throw new ClassNotFoundException(); }); //fail (Z = ClassNotFoundException)

    33         m2(this::g2); //fail (Z = ClassNotFoundException)

    34     }

    35 

    36     void test4() {

    37         m1(()->{ throw new Exception(); }); //fail (Z = Exception)

    38         m1(this::g3); //fail (Z = Exception)

    39     }

    40 }