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test/tools/javac/lambda/TargetType66.java@349160289ba2 (annotated)

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

mcimadamore@1677	1	/*
mcimadamore@1677	2	* @test /nodynamiccopyright/
mcimadamore@1677	3	* @bug 8009131
mcimadamore@1677	4	* @summary Overload: javac should discard methods that lead to errors in lambdas with implicit parameter types
mcimadamore@1677	5	* @compile/fail/ref=TargetType66.out -XDrawDiagnostics TargetType66.java
mcimadamore@1677	6	*/
mcimadamore@1677	7	class TargetType66 {
mcimadamore@1677	8	interface SAM1 {
mcimadamore@1677	9	void m(String s);
mcimadamore@1677	10	}
mcimadamore@1677	11
mcimadamore@1677	12	interface SAM2 {
mcimadamore@1677	13	void m(Integer s);
mcimadamore@1677	14	}
mcimadamore@1677	15
mcimadamore@1677	16	void g(SAM1 s1) { }
mcimadamore@1677	17	void g(SAM2 s2) { }
mcimadamore@1677	18
mcimadamore@1677	19	void test() {
mcimadamore@1677	20	g(x->{ String s = x; }); //g(SAM1)
mcimadamore@1677	21	g(x->{ Integer i = x; }); //g(SAM2)
mcimadamore@1677	22	g(x->{ Object o = x; }); //ambiguous
mcimadamore@1677	23	g(x->{ Character c = x; }); //error: inapplicable methods
mcimadamore@1677	24	g(x->{ Character c = ""; }); //error: incompatible types
mcimadamore@1677	25	}
mcimadamore@1677	26	}