1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/CyclicInheritance.java Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,57 @@
1.4 +/*
1.5 + * @test /nodynamiccopyright/
1.6 + * @bug 4018525 4059072 4277274 4785453
1.7 + * @summary Test that recursive 'extends' and 'implements' clauses are detected
1.8 + * and disallowed.
1.9 + *
1.10 + * @run shell CyclicInheritance.sh
1.11 + */
1.12 +
1.13 +
1.14 +
1.15 +
1.16 +
1.17 +
1.18 +class C1 extends C1 {} // ERROR - Cyclic inheritance
1.19 +
1.20 +class C11 extends C12 {} // ERROR - Cyclic inheritance
1.21 +class C12 extends C11 {} // error in previous line could correctly be reported here as well
1.22 +
1.23 +interface I1 extends I1 {} // ERROR - Cyclic inheritance
1.24 +
1.25 +interface I11 extends I12 {} // ERROR - Cyclic inheritance
1.26 +interface I12 extends I11 {} // error in previous line could correctly be reported here as well
1.27 +
1.28 +//-----
1.29 +
1.30 +class C211 implements C211.I { // ERROR - may change pending resoluation of 4087020
1.31 + interface I {}; // error in previous line could correctly be reported here as well
1.32 +}
1.33 +
1.34 +class C212 extends C212.C { // ERROR - Cyclic inheritance, subclass cannot enclose superclass
1.35 + static class C {}; // error in previous line could correctly be reported here as well
1.36 +}
1.37 +
1.38 +
1.39 +class C221 implements C221.I { // ERROR - Cannot access C21 (private)
1.40 + private interface I {}; // error in previous line could correctly be reported here as well
1.41 +}
1.42 +
1.43 +class C222 extends C222.C { // ERROR - Cannot access C22 (private)
1.44 + private static class C {}; // error in previous line could correctly be reported here as well
1.45 +}
1.46 +
1.47 +//-----
1.48 +
1.49 +class C3 {
1.50 + class A {
1.51 + class B extends A {}
1.52 + }
1.53 +}
1.54 +
1.55 +class C4 {
1.56 + class A extends B {}
1.57 + class B {
1.58 + class C extends A {}
1.59 + }
1.60 +}
