test/tools/javac/lambda/TargetType21.java

Sat, 17 Nov 2012 19:01:03 +0000

author
mcimadamore
date
Sat, 17 Nov 2012 19:01:03 +0000
changeset 1415
01c9d4161882
child 1480
db91d860156a
permissions
-rw-r--r--

8003280: Add lambda tests
Summary: Turn on lambda expression, method reference and default method support
Reviewed-by: jjg

     1 /*
     2  * @test /nodynamiccopyright/
     3  * @bug 8003280
     4  * @summary Add lambda tests
     5  *  check that candidates with cyclic type-inference are removed from the
     6  *          set of applicable methods
     7  * @compile/fail/ref=TargetType21.out -XDrawDiagnostics TargetType21.java
     8  */
    10 class TargetType21 {
    11     interface SAM1 {
    12         String m1(Integer n) throws Exception;
    13     }
    15     interface SAM2 {
    16         void m2(Integer n);
    17     }
    19     interface SAM3<R,A> {
    20         R m3(A n);
    21     }
    23     void call(SAM1 sam) { }
    24     void call(SAM2 sam) { }
    25     <R,A> void call(SAM3<R,A> sam) { }
    27     void test() {
    28         call(x -> { throw new Exception(); }); //ok - resolves to call(SAM1)
    29         call(x -> { System.out.println(""); }); //ok - resolves to call(SAM2)
    30         call(x -> { return (Object) null; }); //error - call(SAM3) is not applicable because of cyclic inference
    31         call(x -> { return null; }); ////ok - resolves to call(SAM1)
    32     }
    33 }

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