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test/tools/javac/lambda/typeInference/InferenceTest_neg1_2.java@c6728c9addff (annotated)

test/tools/javac/lambda/typeInference/InferenceTest_neg1_2.java

Fri, 22 Mar 2013 12:43:09 +0000

author

mcimadamore

date

Fri, 22 Mar 2013 12:43:09 +0000

changeset 1655

c6728c9addff

parent 0

959103a6100f

permissions

-rw-r--r--

8010303: Graph inference: missing incorporation step causes spurious inference error
Summary: Multiple equality constraints on inference vars are not used to generate new inference constraints
Reviewed-by: jjg

aoqi@0	1	/*
aoqi@0	2	* @test /nodynamiccopyright/
aoqi@0	3	* @bug 8003280
aoqi@0	4	* @summary Add lambda tests
aoqi@0	5	* Overloaded methods take raw SAM types that have type inference according to SAM descriptor
aoqi@0	6	should have ambiguous resolution of method
aoqi@0	7	* @compile/fail/ref=InferenceTest_neg1_2.out -XDrawDiagnostics InferenceTest_neg1_2.java
aoqi@0	8	*/
aoqi@0	9
aoqi@0	10	public class InferenceTest_neg1_2 {
aoqi@0	11
aoqi@0	12	public static void main(String[] args) {
aoqi@0	13	InferenceTest_neg1_2 test = new InferenceTest_neg1_2();
aoqi@0	14	test.method(n -> null); //method 1-5 all match
aoqi@0	15	test.method(n -> "a"); //method 2, 4 match
aoqi@0	16	test.method(n -> 0); //method 1, 3, 5 match
aoqi@0	17	}
aoqi@0	18
aoqi@0	19	void method(SAM1 s) { //method 1
aoqi@0	20	Integer i = s.foo("a");
aoqi@0	21	}
aoqi@0	22
aoqi@0	23	void method(SAM2 s) { //method 2
aoqi@0	24	String str = s.foo(0);
aoqi@0	25	}
aoqi@0	26
aoqi@0	27	void method(SAM3<Integer> s) { //method 3
aoqi@0	28	Integer i = s.get(0);
aoqi@0	29	}
aoqi@0	30
aoqi@0	31	void method(SAM4<Double, String> s) { //method 4
aoqi@0	32	String str = s.get(0.0);
aoqi@0	33	}
aoqi@0	34
aoqi@0	35	void method(SAM5<Integer> s) { //method 5
aoqi@0	36	Integer i = s.get(0.0);
aoqi@0	37	}
aoqi@0	38
aoqi@0	39	interface SAM1 {
aoqi@0	40	Integer foo(String a);
aoqi@0	41	}
aoqi@0	42
aoqi@0	43	interface SAM2 {
aoqi@0	44	String foo(Integer a);
aoqi@0	45	}
aoqi@0	46
aoqi@0	47	interface SAM3<T> {
aoqi@0	48	T get(T t);
aoqi@0	49	}
aoqi@0	50
aoqi@0	51	interface SAM4<T, V> {
aoqi@0	52	V get(T t);
aoqi@0	53	}
aoqi@0	54
aoqi@0	55	interface SAM5<T> {
aoqi@0	56	T get(Double i);
aoqi@0	57	}
aoqi@0	58	}