File: MethodReference64.java

package info (click to toggle)
libnb-javaparser-java 9%2B2018-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 65,320 kB
  • sloc: java: 440,096; xml: 6,359; sh: 865; makefile: 314
file content (46 lines) | stat: -rw-r--r-- 1,172 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
41
42
43
44
45
46
/*
 * @test /nodynamiccopyright/
 * @bug 8008540 8008539 8008538
 * @summary Constructor reference to non-reifiable array should be rejected
 * @compile/fail/ref=MethodReference64.out -XDrawDiagnostics MethodReference64.java
 */
class MethodReference64 {
    interface ClassFactory {
        Object m();
    }

    interface ArrayFactory {
        Object m(int i);
    }

    @interface Anno { }

    enum E { }

    interface I { }

    static class Foo<X> { }

    void m(ClassFactory cf) { }
    void m(ArrayFactory cf) { }

    void testAssign() {
        ClassFactory c1 = Anno::new; //error
        ClassFactory c2 = E::new; //error
        ClassFactory c3 = I::new; //error
        ClassFactory c4 = Foo<?>::new; //error
        ClassFactory c5 = 1::new; //error
        ArrayFactory a1 = Foo<?>[]::new; //ok
        ArrayFactory a2 = Foo<? extends String>[]::new; //error
    }

    void testMethod() {
        m(Anno::new); //error
        m(E::new); //error
        m(I::new); //error
        m(Foo<?>::new); //error
        m(1::new); //error
        m(Foo<?>[]::new); //ok - resolves to m(ArrayFactory)
        m(Foo<? extends String>[]::new); //error
    }
}