Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * @test  /nodynamiccopyright/

  * @bug 4018525 4059072 4277274 4785453

  * @summary Test that recursive 'extends' and 'implements' clauses are detected

  * and disallowed.

  *

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

  */

 class C1 extends C1 {}                  // ERROR - Cyclic inheritance

 class C11 extends C12 {}                // ERROR - Cyclic inheritance

 class C12 extends C11 {}                // error in previous line could correctly be reported here as well

 interface I1 extends I1 {}              // ERROR - Cyclic inheritance

 interface I11 extends I12 {}            // ERROR - Cyclic inheritance

 interface I12 extends I11 {}            // error in previous line could correctly be reported here as well

 //-----

 class C211 implements C211.I {          // ERROR - may change pending resoluation of 4087020

         interface I {};                 // error in previous line could correctly be reported here as well

 }

 class C212 extends C212.C {             // ERROR - Cyclic inheritance, subclass cannot enclose superclass

         static class C {};              // error in previous line could correctly be reported here as well

 }

 class C221 implements C221.I {          // ERROR - Cannot access C21 (private)

         private interface I {};         // error in previous line could correctly be reported here as well

 }

 class C222 extends C222.C {             // ERROR - Cannot access C22 (private)

         private static class C {};      // error in previous line could correctly be reported here as well

 }

 //-----

 class C3 {

     class A {

         class B extends A {}

     }

 }

 class C4 {

     class A extends B {}

     class B {

         class C extends A {}

     }

 }