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