author | jjh |
Mon, 21 May 2012 16:10:14 -0700 | |
changeset 12913 | a1487aee3242 |
permissions | -rw-r--r-- |
12913
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7157798: Add 6 test scenarios for testing inheritance of multiple same-name methods from mulitple interfaces
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/** |
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* @test /nodynamiccopyright/ |
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* @bug 7062745 7157798 |
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* @summary Negative test of conflicting same-name methods inherited from multiple interfaces when return type not compatible |
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* @compile/fail/ref=Test3.out -Werror -Xlint:unchecked -XDrawDiagnostics Test3.java |
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*/ |
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import java.util.List; |
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import java.io.Serializable; |
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interface A { int m(); } |
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interface B { Integer m(); } |
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interface AB extends A, B {} //error |
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interface C { List<Integer> m(); } |
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interface D { List<Number> m(); } |
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interface CD extends C, D {} //error |
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interface E<T> { T m(); } |
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interface F<T> { T m(); } |
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interface G { Serializable m(); } |
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interface BE extends B, E<Number> {} //ok, covariant return |
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interface BE2<T> extends B, E<T> {} //error |
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interface EF<T> extends E<T>, F<T> {} //ok |
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interface EF2<U, V extends U> extends E<U>, F<V> {} //ok, covariant return |
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interface EF3<U, V> extends E<U>, F<V> {} //error |
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interface EG<T extends Number> extends E<T>, G {} //ok |
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interface EFG<U extends Serializable, V extends Serializable> extends E<U>, F<V>, G {} //error |