langtools/test/tools/javac/generics/diamond/neg/Neg12.java
author sadayapalam
Mon, 30 Mar 2015 17:09:14 +0530
changeset 29776 984a79b71cfe
permissions -rw-r--r--
8062373: Project Coin: diamond and anonymous classes Summary: Allow diamond inference in combination with anonymous class instance creation Reviewed-by: mcimadamore, vromero Contributed-by: srikanth.adayapalam@oracle.com, maurizio.cimadamore@oracle.com
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/*
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 * @test /nodynamiccopyright/
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 * @bug 8062373
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 *
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 * @summary  Test diamond + anonymous classes with non-denotable types
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 * @author mcimadamore
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 * @compile/fail/ref=Neg12.out Neg12.java -XDrawDiagnostics
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 *
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 */
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 class Neg12 {
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    static class Foo<X> {
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        Foo(X x) {  }
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    }
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    static class DoubleFoo<X,Y> {
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        DoubleFoo(X x,Y y) {  }
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    }
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    static class TripleFoo<X,Y,Z> {
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        TripleFoo(X x,Y y,Z z) {  }
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    }
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    Foo<? extends Integer> fi = new Foo<>(1);
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    Foo<?> fw = new Foo<>(fi) {}; // Error.
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    Foo<?> fw1 = new Foo<>(fi); // OK.
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    Foo<? extends Double> fd = new Foo<>(3.0);
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    DoubleFoo<?,?> dw = new DoubleFoo<>(fi,fd) {}; // Error.
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    DoubleFoo<?,?> dw1 = new DoubleFoo<>(fi,fd); // OK.
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    Foo<String> fs = new Foo<>("one");
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    TripleFoo<?,?,?> tw = new TripleFoo<>(fi,fd,fs) {}; // Error.
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    TripleFoo<?,?,?> tw1 = new TripleFoo<>(fi,fd,fs); // OK.
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 }