File: T8066974.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 (46 lines) | stat: -rw-r--r-- 1,319 bytes parent folder | download | duplicates (18)
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 8066974 8062373
 * @summary Compiler doesn't infer method's generic type information in lambda body
 * @compile/fail/ref=T8066974.out -XDrawDiagnostics T8066974.java
 */
class T8066974 {
    static class Throwing<E extends Throwable> { }
    static class RuntimeThrowing extends Throwing<RuntimeException> { }
    static class CheckedThrowing extends Throwing<Exception> { }

    interface Parameter {
        <E extends Throwable> Object m(Throwing<E> tw) throws E;
    }

    interface Mapper<R> {
        R m(Parameter p);
    }

    <Z> Z map(Mapper<Z> mz) { return null; }

    <Z extends Throwable> Mapper<Throwing<Z>> mapper(Throwing<Z> tz) throws Z { return null; }

    static class ThrowingMapper<X extends Throwable> implements Mapper<Throwing<X>> {
        ThrowingMapper(Throwing<X> arg) throws X { }

        @Override
        public Throwing<X> m(Parameter p) {
        return null;
        }
    }

    void testRuntime(RuntimeThrowing rt) {
        map(p->p.m(rt));
        map(mapper(rt));
        map(new ThrowingMapper<>(rt));
        map(new ThrowingMapper<>(rt) {});
    }

    void testChecked(CheckedThrowing ct) {
        map(p->p.m(ct));
        map(mapper(ct));
        map(new ThrowingMapper<>(ct));
        map(new ThrowingMapper<>(ct) {});
    }
}