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test/tools/javac/generics/diamond/6939780/T6939780.java@349160289ba2
test/tools/javac/generics/diamond/6939780/T6939780.java
Thu, 06 Jun 2013 15:33:40 +0100
- author
- mcimadamore
- date
- Thu, 06 Jun 2013 15:33:40 +0100
- changeset 1811
- 349160289ba2
- parent 1618
- 8a78243291ef
- child 1924
- cd9e8cea1b3c
- permissions
- -rw-r--r--
8008627: Compiler mishandles three-way return-type-substitutability
Summary: Compiler should not enforce an order in how ambiguous methods should be resolved
Reviewed-by: jjg, vromero
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 */
12 class T6939780 {
14 static class Foo<X extends Number> {
15 Foo() {}
16 Foo(X x) {}
17 }
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 }
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 }
37 void gw(Foo<?> fw) { }
38 void gn(Foo<Number> fn) { }
39 }
