File: MethodReference45.java

package info (click to toggle)
libnb-javaparser-java 9%2B2018-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster
  • size: 65,172 kB
  • sloc: java: 440,096; xml: 6,359; sh: 865; makefile: 314
file content (40 lines) | stat: -rw-r--r-- 893 bytes parent folder | download | duplicates (19)
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
/*
 * @test /nodynamiccopyright/
 * @bug 8003280
 * @summary Add lambda tests
 *  check that generic method reference is inferred when type parameters are omitted
 * @compile/fail/ref=MethodReference45.out -XDrawDiagnostics MethodReference45.java
 */
public class MethodReference45 {

    static int assertionCount = 0;

    static void assertTrue(boolean cond) {
        assertionCount++;
        if (!cond)
            throw new AssertionError();
    }

    static class SuperFoo<X> { }

    static class Foo<X extends Number> extends SuperFoo<X> { }

    interface SAM1 {
        void m();
    }

    interface SAM2 {
        void m();
    }

    static <X extends Number> Foo<X> m() { return null; }

    static void g1(SAM1 s) { }
    static void g2(SAM1 s) { }
    static void g2(SAM2 s) { }

    void test() {
        g1(MethodReference45::m);
        g2(MethodReference45::m);
    }
}