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test/tools/javac/lambda/TargetType22.java@959103a6100f (annotated)

test/tools/javac/lambda/TargetType22.java

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* @test /nodynamiccopyright/
aoqi@0	3	* @bug 8003280
aoqi@0	4	* @summary Add lambda tests
aoqi@0	5	* check that candidates with incompatible SAM descriptor args length
aoqi@0	6	are removed from the set of applicable methods
aoqi@0	7	* @compile/fail/ref=TargetType22.out -Xlint:unchecked -XDrawDiagnostics TargetType22.java
aoqi@0	8	*/
aoqi@0	9
aoqi@0	10	class TargetType22 {
aoqi@0	11
aoqi@0	12	interface Sam0 {
aoqi@0	13	void m();
aoqi@0	14	}
aoqi@0	15
aoqi@0	16	interface Sam1<A> {
aoqi@0	17	void m(A a);
aoqi@0	18	}
aoqi@0	19
aoqi@0	20	interface Sam2<A> {
aoqi@0	21	void m(A a1, A a2);
aoqi@0	22	}
aoqi@0	23
aoqi@0	24	interface Sam3<A> {
aoqi@0	25	void m(A a1, A a2, A a3);
aoqi@0	26	}
aoqi@0	27
aoqi@0	28	interface SamX<A> {
aoqi@0	29	void m(A... as);
aoqi@0	30	}
aoqi@0	31
aoqi@0	32	void call(Sam0 s) { }
aoqi@0	33	void call(Sam1<String> s) { }
aoqi@0	34	void call(Sam2<String> s) { }
aoqi@0	35	void call(Sam3<String> s) { }
aoqi@0	36	void call(SamX<String> s) { }
aoqi@0	37
aoqi@0	38	void test() {
aoqi@0	39	call(() -> { });
aoqi@0	40	call(a1 -> { }); //ambiguous - both call(Sam1) and call(SamX) match
aoqi@0	41	call((a1, a2) -> { });
aoqi@0	42	call((a1, a2, a3) -> { });
aoqi@0	43	}
aoqi@0	44	}