1 /* 2 * @test /nodynamiccopyright/ 3 * @bug 8003280 4 * @summary Add lambda tests 5 * check that candidates with cyclic type-inference are removed from the 6 * set of applicable methods 7 * @compile/fail/ref=TargetType21.out -XDrawDiagnostics TargetType21.java 8 */ 9 10 class TargetType21 { 11 interface SAM1 { m1(Integer n)12 String m1(Integer n) throws Exception; 13 } 14 15 interface SAM2 { m2(Integer n)16 void m2(Integer n); 17 } 18 19 interface SAM3<R,A> { m3(A n)20 R m3(A n); 21 } 22 call(SAM1 sam)23 void call(SAM1 sam) { } call(SAM2 sam)24 void call(SAM2 sam) { } call(SAM3<R,A> sam)25 <R,A> void call(SAM3<R,A> sam) { } 26 test()27 void test() { 28 call(x -> { throw new Exception(); }); //ambiguous 29 call((Integer x) -> { System.out.println(""); }); //ok (only one is void) 30 call((Integer x) -> { return (Object) null; }); //ok (only one returns Object) 31 call(x -> { System.out.println(""); }); //ambiguous 32 call(x -> { return (Object) null; }); //ambiguous 33 call(x -> { return null; }); //ambiguous 34 } 35 } 36