test/tools/javac/lambda/TargetType22.java

changeset 0
959103a6100f
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/lambda/TargetType22.java	Wed Apr 27 01:34:52 2016 +0800
     1.3 @@ -0,0 +1,44 @@
     1.4 +/*
     1.5 + * @test /nodynamiccopyright/
     1.6 + * @bug 8003280
     1.7 + * @summary Add lambda tests
     1.8 + *  check that candidates with incompatible SAM descriptor args length
     1.9 +            are removed from the set of applicable methods
    1.10 + * @compile/fail/ref=TargetType22.out -Xlint:unchecked -XDrawDiagnostics TargetType22.java
    1.11 + */
    1.12 +
    1.13 +class TargetType22 {
    1.14 +
    1.15 +    interface Sam0 {
    1.16 +        void m();
    1.17 +    }
    1.18 +
    1.19 +    interface Sam1<A> {
    1.20 +        void m(A a);
    1.21 +    }
    1.22 +
    1.23 +    interface Sam2<A> {
    1.24 +        void m(A a1, A a2);
    1.25 +    }
    1.26 +
    1.27 +    interface Sam3<A> {
    1.28 +        void m(A a1, A a2, A a3);
    1.29 +    }
    1.30 +
    1.31 +    interface SamX<A> {
    1.32 +        void m(A... as);
    1.33 +    }
    1.34 +
    1.35 +    void call(Sam0 s) { }
    1.36 +    void call(Sam1<String> s) { }
    1.37 +    void call(Sam2<String> s) { }
    1.38 +    void call(Sam3<String> s) { }
    1.39 +    void call(SamX<String> s) { }
    1.40 +
    1.41 +    void test() {
    1.42 +        call(() -> { });
    1.43 +        call(a1 -> { }); //ambiguous - both call(Sam1) and call(SamX) match
    1.44 +        call((a1, a2) -> { });
    1.45 +        call((a1, a2, a3) -> { });
    1.46 +    }
    1.47 +}

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