test/tools/javac/lambda/TargetType27.java

Thu, 06 Jun 2013 15:33:40 +0100

author
mcimadamore
date
Thu, 06 Jun 2013 15:33:40 +0100
changeset 1811
349160289ba2
parent 0
959103a6100f
permissions
-rw-r--r--

8008627: Compiler mishandles three-way return-type-substitutability
Summary: Compiler should not enforce an order in how ambiguous methods should be resolved
Reviewed-by: jjg, vromero

     1 /*
     2  * @test /nodynamiccopyright/
     3  * @bug 8003280
     4  * @summary Add lambda tests
     5  *  complex case of cyclic type inference (lambda returned where inference var expected)
     6  * @compile/fail/ref=TargetType27.out -XDrawDiagnostics TargetType27.java
     7  * @compile/fail/ref=TargetType27.out -XDrawDiagnostics -XDcomplexinference TargetType27.java
     8  */
    10 class TargetType27 {
    11     interface F<X, Y>  {
    12         Y f(X a);
    13     }
    15     <A, R> F<A, R> m(F<A, R>  f) { return null; }
    17     void test() {
    18         m((String s1) ->  (String s2) ->  new Integer(1));
    19     }
    20 }

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