langtools/test/tools/javac/generics/diamond/neg/Neg03.java
author mcimadamore
Wed, 14 Apr 2010 12:31:55 +0100
changeset 5321 c8efe769cb3b
child 5327 cdc146f667c7
permissions -rw-r--r--
6939620: Switch to 'complex' diamond inference scheme Summary: Implement new inference scheme for diamond operator that takes into account type of actual arguments supplied to constructor Reviewed-by: jjg, darcy
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/*
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 * @test /nodynamiccopyright/
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 * @bug 6939620
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 *
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 * @summary  Switch to 'complex' diamond inference scheme
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 * @author mcimadamore
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 * @compile/fail/ref=Neg03.out Neg03.java -XDrawDiagnostics
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 *
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 */
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class Neg03<U> {
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    class Foo<V extends Number> {
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        Foo(V x) {}
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        <Z> Foo(V x, Z z) {}
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    }
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    void testSimple() {
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        Foo<String> f1 = new Foo<>("");
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        Foo<? extends String> f2 = new Foo<>("");
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        Foo<?> f3 = new Foo<>("");
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        Foo<? super String> f4 = new Foo<>("");
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        Foo<String> f5 = new Foo<>(""){};
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        Foo<? extends String> f6 = new Foo<>(""){};
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        Foo<?> f7 = new Foo<>(""){};
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        Foo<? super String> f8 = new Foo<>(""){};
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        Foo<String> f9 = new Foo<>("", "");
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        Foo<? extends String> f10 = new Foo<>("", "");
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        Foo<?> f11 = new Foo<>("", "");
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        Foo<? super String> f12 = new Foo<>("", "");
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        Foo<String> f13 = new Foo<>("", ""){};
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        Foo<? extends String> f14 = new Foo<>("", ""){};
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        Foo<?> f15 = new Foo<>("", ""){};
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        Foo<? super String> f16 = new Foo<>("", ""){};
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    }
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    void testQualified_1() {
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        Foo<String> f1 = new Neg03<U>.Foo<>("");
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        Foo<? extends String> f2 = new Neg03<U>.Foo<>("");
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        Foo<?> f3 = new Neg03<U>.Foo<>("");
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        Foo<? super String> f4 = new Neg03<U>.Foo<>("");
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        Foo<String> f5 = new Neg03<U>.Foo<>(""){};
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        Foo<? extends String> f6 = new Neg03<U>.Foo<>(""){};
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        Foo<?> f7 = new Neg03<U>.Foo<>(""){};
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        Foo<? super String> f8 = new Neg03<U>.Foo<>(""){};
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        Foo<String> f9 = new Neg03<U>.Foo<>("", "");
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        Foo<? extends String> f10 = new Neg03<U>.Foo<>("", "");
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        Foo<?> f11 = new Neg03<U>.Foo<>("", "");
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        Foo<? super String> f12 = new Neg03<U>.Foo<>("", "");
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        Foo<String> f13 = new Neg03<U>.Foo<>("", ""){};
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        Foo<? extends String> f14 = new Neg03<U>.Foo<>("", ""){};
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        Foo<?> f15 = new Neg03<U>.Foo<>("", ""){};
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        Foo<? super String> f16 = new Neg03<U>.Foo<>("", ""){};
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    }
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    void testQualified_2(Neg03<U> n) {
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        Foo<String> f1 = n.new Foo<>("");
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        Foo<? extends String> f2 = n.new Foo<>("");
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        Foo<?> f3 = n.new Foo<>("");
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        Foo<? super String> f4 = n.new Foo<>("");
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        Foo<String> f5 = n.new Foo<>(""){};
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        Foo<? extends String> f6 = n.new Foo<>(""){};
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        Foo<?> f7 = n.new Foo<>(""){};
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        Foo<? super String> f8 = n.new Foo<>(""){};
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        Foo<String> f9 = n.new Foo<>("", "");
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        Foo<? extends String> f10 = n.new Foo<>("", "");
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        Foo<?> f11 = n.new Foo<>("", "");
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        Foo<? super String> f12 = n.new Foo<>("", "");
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        Foo<String> f13 = n.new Foo<>("", ""){};
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        Foo<? extends String> f14 = n.new Foo<>("", ""){};
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        Foo<?> f15 = n.new Foo<>("", ""){};
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        Foo<? super String> f16 = n.new Foo<>("", ""){};
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    }
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}