| /* |
| * @test /nodynamiccopyright/ |
| * @bug 8003280 7170058 |
| * @summary Add lambda tests |
| * This test is for identifying a non-SAM type: Having more than one methods due to inheritance, and none of them has a subsignature of all other methods |
| * @compile/fail/ref=NonSAM2.out -XDrawDiagnostics NonSAM2.java Helper.java |
| */ |
| |
| import java.util.List; |
| |
| interface Foo1 { int getAge(String s);} |
| interface Bar1 { Integer getAge(String s);} |
| interface Foo1Bar1 extends Foo1, Bar1 {} //types Bar1 and Foo1 are incompatible; both define getAge(String), but with unrelated return types |
| |
| interface AC extends A, C {} //name clash: getOldest(List<?>) in C and getOldest(List<Number>) in A have the same erasure, yet neither overrides the other |
| interface ABC extends A, B, C {} //ok - raw override |
| interface AD extends A, D {} //name clash: getOldest(List<Integer>) in D and getOldest(List<Number>) in A have the same erasure, yet neither overrides the other |
| |
| interface Foo2<T> { void m(T arg);} |
| interface Bar2<S> { void m(S arg);} |
| interface Foo2Bar2<T1, T2> extends Foo2<T1>, Bar2<T2> {} //name clash: m(S) in Bar and m(T) in Foo have the same erasure, yet neither overrides the other |