test/tools/javac/lambda/TargetType24.java

changeset 1415
01c9d4161882
child 2000
4a6acc42c3a1
equal deleted inserted replaced
1414:843d3b191773 1415:01c9d4161882
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> {
12 B f(A a);
13 }
14
15 interface FSub<A, B> extends F<A,B> { }
16
17 static class Array<A> {
18 boolean forAll(final F<A, Boolean> f) {
19 return false;
20 }
21
22 String forAll(final FSub<A, String> f) {
23 return "";
24 }
25
26 String forAll2(final FSub<A, String> f) {
27 return "";
28 }
29 }
30
31 void test(Array<String> as, final Array<Character> ac) {
32 final boolean b1 = as.forAll(s -> ac.forAll(c -> false)); //ok
33 final String s1 = as.forAll2(s -> ac.forAll2(c -> "")); //ok
34 final boolean b2 = as.forAll(s -> ac.forAll(c -> "" )); //fail
35 final String s2 = as.forAll2(s -> ac.forAll2(c -> false)); //fail
36 final boolean b3 = as.forAll((F<String, Boolean>)s -> ac.forAll((F<Character, Boolean>)c -> "")); //fail
37 final String s3 = as.forAll((FSub<String, String>)s -> ac.forAll((FSub<Character, String>)c -> false)); //fail
38 }
39 }

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