jdk-24/langtools/test/tools/javac/lambda/VoidCompatibility.java
Maurizio Cimadamore a494f0ab86 8003280: Add lambda tests
Turn on lambda expression, method reference and default method support

Reviewed-by: jjg
2012-11-17 19:01:03 +00:00

27 lines
922 B
Java

/*
* @test /nodynamiccopyright/
* @bug 8003280
* @summary Add lambda tests
* check that that void compatibility affects overloading as expected
* @compile/fail/ref=VoidCompatibility.out -XDrawDiagnostics VoidCompatibility.java
*/
class VoidCompatibility {
interface Runnable { void run(); } //1
interface Thunk<T> { T get(); } //2
void schedule(Runnable r) { }
void schedule(Thunk<?> t) { }
void test() {
schedule(() -> System.setProperty("done", "true")); //2
schedule(() -> { System.setProperty("done", "true"); }); //1
schedule(() -> { return System.setProperty("done", "true"); }); //2
schedule(() -> System.out.println("done")); //1
schedule(() -> { System.out.println("done"); }); //1
schedule(Thread::yield); //1
schedule(Thread::getAllStackTraces); //ambiguous
schedule(Thread::interrupted); //1 (most specific)
}
}