1/*
2 * @test /nodynamiccopyright/
3 * @bug 8003280
4 * @summary Add lambda tests
5 *  check that that void compatibility affects overloading as expected
6 * @compile VoidCompatibility.java
7 */
8class VoidCompatibility {
9
10    interface Runnable { void run(); } //1
11    interface Thunk<T> { T get(); } //2
12
13    void schedule(Runnable r) { }
14    void schedule(Thunk<?> t) { }
15
16    void test() {
17        schedule(() -> System.setProperty("done", "true")); //non-void most specific
18        schedule(() -> { System.setProperty("done", "true"); }); //1
19        schedule(() -> { return System.setProperty("done", "true"); }); //2
20        schedule(() -> System.out.println("done")); //1
21        schedule(() -> { System.out.println("done"); }); //1
22        schedule(Thread::yield); //1
23        schedule(Thread::getAllStackTraces); //non-void most specific
24        schedule(Thread::interrupted); //1 (most specific)
25    }
26}
27