T6939780.java revision 1617:8a78243291ef 
1/*
2 * @test /nodynamiccopyright/
3 * @bug 6939780 7020044 8009459
4 *
5 * @summary  add a warning to detect diamond sites
6 * @author mcimadamore
7 * @compile/ref=T6939780_7.out -Xlint:-options -source 7 T6939780.java -XDrawDiagnostics -XDfindDiamond
8 * @compile/ref=T6939780_8.out T6939780.java -XDrawDiagnostics -XDfindDiamond
9 *
10 */
11
12class T6939780 {
13
14    static class Foo<X extends Number> {
15        Foo() {}
16        Foo(X x) {}
17    }
18
19    void testAssign() {
20        Foo<Number> f1 = new Foo<Number>(1);
21        Foo<?> f2 = new Foo<Number>();
22        Foo<?> f3 = new Foo<Integer>();
23        Foo<Number> f4 = new Foo<Number>(1) {};
24        Foo<?> f5 = new Foo<Number>() {};
25        Foo<?> f6 = new Foo<Integer>() {};
26    }
27
28    void testMethod() {
29        gn(new Foo<Number>(1));
30        gw(new Foo<Number>());
31        gw(new Foo<Integer>());
32        gn(new Foo<Number>(1) {});
33        gw(new Foo<Number>() {});
34        gw(new Foo<Integer>() {});
35    }
36
37    void gw(Foo<?> fw) { }
38    void gn(Foo<Number> fn) { }
39}
40