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/*
* @test /nodynamiccopyright/
* @bug 8062373
* @summary Test that javac does not recommend a diamond site that would result in error.
* @compile/ref=Neg16.out -Xlint:-options Neg16.java -XDrawDiagnostics -XDfind=diamond
*/
class Neg16 {
interface Predicate<T> {
default boolean test(T t) {
System.out.println("Default method");
return false;
}
}
static void someMethod(Predicate<? extends Number> p) {
if (!p.test(null))
throw new Error("Blew it");
}
public static void main(String[] args) {
someMethod(new Predicate<Integer>() { // cannot convert to diamond
public boolean test(Integer n) {
System.out.println("Override");
return true;
}
});
someMethod(new Predicate<Number>() { // can convert to diamond.
public boolean test(Number n) {
System.out.println("Override");
return true;
}
});
}
}
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