58 lines
1.7 KiB
Java
58 lines
1.7 KiB
Java
/*
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* @test /nodynamiccopyright/
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* @bug 4018525 4059072 4277274 4785453
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* @summary Test that recursive 'extends' and 'implements' clauses are detected
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* and disallowed.
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*
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* @compile/fail/ref=CyclicInheritance.out -XDrawDiagnostics CyclicInheritance.java
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*/
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class C1 extends C1 {} // ERROR - Cyclic inheritance
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class C11 extends C12 {} // ERROR - Cyclic inheritance
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class C12 extends C11 {} // error in previous line could correctly be reported here as well
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interface I1 extends I1 {} // ERROR - Cyclic inheritance
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interface I11 extends I12 {} // ERROR - Cyclic inheritance
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interface I12 extends I11 {} // error in previous line could correctly be reported here as well
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//-----
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class C211 implements C211.I { // ERROR - may change pending resoluation of 4087020
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interface I {}; // error in previous line could correctly be reported here as well
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}
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class C212 extends C212.C { // ERROR - Cyclic inheritance, subclass cannot enclose superclass
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static class C {}; // error in previous line could correctly be reported here as well
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}
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class C221 implements C221.I { // ERROR - Cannot access C21 (private)
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private interface I {}; // error in previous line could correctly be reported here as well
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}
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class C222 extends C222.C { // ERROR - Cannot access C22 (private)
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private static class C {}; // error in previous line could correctly be reported here as well
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}
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//-----
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class C3 {
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class A {
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class B extends A {}
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}
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}
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class C4 {
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class A extends B {}
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class B {
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class C extends A {}
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}
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}
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