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test/tools/javac/lambda/MethodReference52.java@c6728c9addff (annotated)

test/tools/javac/lambda/MethodReference52.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	* special cases of method references (getClass()/Array.clone()) not handled properly
aoqi@0	6	* @compile/fail/ref=MethodReference52.out -XDrawDiagnostics MethodReference52.java
aoqi@0	7	*/
aoqi@0	8	import java.util.*;
aoqi@0	9
aoqi@0	10	class MethodReference52 {
aoqi@0	11
aoqi@0	12	interface Clone1 {
aoqi@0	13	int[] m();
aoqi@0	14	}
aoqi@0	15
aoqi@0	16	interface Clone2 {
aoqi@0	17	Object m();
aoqi@0	18	}
aoqi@0	19
aoqi@0	20	interface WrongClone {
aoqi@0	21	long[] m();
aoqi@0	22	}
aoqi@0	23
aoqi@0	24	interface GetClass {
aoqi@0	25	Class<? extends List> m();
aoqi@0	26	}
aoqi@0	27
aoqi@0	28	interface WrongGetClass {
aoqi@0	29	Class<List<String>> m();
aoqi@0	30	}
aoqi@0	31
aoqi@0	32	void test(int[] iarr, List<String> ls) {
aoqi@0	33	Clone1 c1 = iarr::clone; //ok
aoqi@0	34	Clone2 c2 = iarr::clone; //ok - type more generic
aoqi@0	35	WrongClone c3 = iarr::clone; //bad return type
aoqi@0	36	GetClass c4 = ls::getClass; //ok
aoqi@0	37	WrongGetClass c5 = ls::getClass; //bad return type
aoqi@0	38	}
aoqi@0	39	}