1 /*
2  * @test /nodynamiccopyright/
3  * @bug 8003280
4  * @summary Add lambda tests
5  *  check case of nested method calls with lambda expression
6  * @compile/fail/ref=TargetType24.out -XDrawDiagnostics TargetType24.java
7  */
8 
9 class TargetType24 {
10 
11     interface F<A, B> {
f(A a)12         B f(A a);
13     }
14 
15     interface FSub<A, B> extends F<A,B> { }
16 
17     static class Array<A> {
forAll(final F<A, Boolean> f)18         boolean forAll(final F<A, Boolean> f) {
19             return false;
20         }
21 
forAll(final FSub<A, String> f)22         String forAll(final FSub<A, String> f) {
23             return "";
24         }
25 
forAll2(final FSub<A, String> f)26         String forAll2(final FSub<A, String> f) {
27             return "";
28         }
29     }
30 
test(Array<String> as, final Array<Character> ac)31     void test(Array<String> as, final Array<Character> ac) {
32         final boolean b1 = as.forAll((String s) -> ac.forAll((Character c) -> false)); //ok
33         final boolean b2 = as.forAll(s -> ac.forAll(c -> false)); //ambiguous
34         final boolean b3 = as.forAll((String s) -> ac.forAll(c -> false)); //ambiguous
35         final boolean b4 = as.forAll(s -> ac.forAll((Character c) -> false)); //ambiguous
36         final String s1 = as.forAll2(s -> ac.forAll2(c -> "")); //ok
37         final boolean b5 = as.forAll(s -> ac.forAll(c -> "" )); //fail
38         final String s2 = as.forAll2(s -> ac.forAll2(c -> false)); //fail
39         final boolean b6 = as.forAll((F<String, Boolean>)s -> ac.forAll((F<Character, Boolean>)c -> "")); //fail
40         final String s3 = as.forAll((FSub<String, String>)s -> ac.forAll((FSub<Character, String>)c -> false)); //fail
41     }
42 }
43