test/tools/javac/lambda/TargetType66.java

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

author
mcimadamore
date
Thu, 06 Jun 2013 15:33:40 +0100
changeset 1811
349160289ba2
parent 1677
94a202228ec2
child 2000
4a6acc42c3a1
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 8009131
     4  * @summary Overload: javac should discard methods that lead to errors in lambdas with implicit parameter types
     5  * @compile/fail/ref=TargetType66.out -XDrawDiagnostics TargetType66.java
     6  */
     7 class TargetType66 {
     8     interface SAM1 {
     9         void m(String s);
    10     }
    12     interface SAM2 {
    13         void m(Integer s);
    14     }
    16     void g(SAM1 s1) { }
    17     void g(SAM2 s2) { }
    19     void test() {
    20         g(x->{ String s = x; }); //g(SAM1)
    21         g(x->{ Integer i = x; }); //g(SAM2)
    22         g(x->{ Object o = x; }); //ambiguous
    23         g(x->{ Character c = x; }); //error: inapplicable methods
    24         g(x->{ Character c = ""; }); //error: incompatible types
    25     }
    26 }

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