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test/tools/javac/lambda/TargetType21.java@93012e2a5d1d (annotated)

test/tools/javac/lambda/TargetType21.java

Sat, 07 Nov 2020 10:30:02 +0800

author

aoqi

date

Sat, 07 Nov 2020 10:30:02 +0800

changeset 3938

93012e2a5d1d

parent 2525

2eb010b6cb22

permissions

-rw-r--r--

Added tag mips-jdk8u275-b01 for changeset eb6ee6a5f2fe

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 cyclic type-inference are removed from the
aoqi@0	6	* set of applicable methods
aoqi@0	7	* @compile/fail/ref=TargetType21.out -XDrawDiagnostics TargetType21.java
aoqi@0	8	*/
aoqi@0	9
aoqi@0	10	class TargetType21 {
aoqi@0	11	interface SAM1 {
aoqi@0	12	String m1(Integer n) throws Exception;
aoqi@0	13	}
aoqi@0	14
aoqi@0	15	interface SAM2 {
aoqi@0	16	void m2(Integer n);
aoqi@0	17	}
aoqi@0	18
aoqi@0	19	interface SAM3<R,A> {
aoqi@0	20	R m3(A n);
aoqi@0	21	}
aoqi@0	22
aoqi@0	23	void call(SAM1 sam) { }
aoqi@0	24	void call(SAM2 sam) { }
aoqi@0	25	<R,A> void call(SAM3<R,A> sam) { }
aoqi@0	26
aoqi@0	27	void test() {
aoqi@0	28	call(x -> { throw new Exception(); }); //ambiguous
aoqi@0	29	call((Integer x) -> { System.out.println(""); }); //ok (only one is void)
aoqi@0	30	call((Integer x) -> { return (Object) null; }); //ok (only one returns Object)
aoqi@0	31	call(x -> { System.out.println(""); }); //ambiguous
aoqi@0	32	call(x -> { return (Object) null; }); //ambiguous
aoqi@0	33	call(x -> { return null; }); //ambiguous
aoqi@0	34	}
aoqi@0	35	}