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// Test case for Issue 1046:
// https://github.com/typetools/checker-framework/issues/1046
// Additional test case: checker/tests/nullness/java8/Issue1046.java
import org.checkerframework.checker.nullness.qual.NonNull;
import org.checkerframework.checker.nullness.qual.Nullable;
public class Issue1046Java7 {
interface MyInterface {}
class MyClass implements MyInterface {}
class Function<T> {}
abstract static class NotSubtype2 {
static void transform(Function<? super MyClass> q) {}
static void transform2(Function<? super @Nullable MyClass> q) {}
void test1(Function<? super MyInterface> p, Function<? super @Nullable MyInterface> p2) {
transform(p);
// :: error: (argument.type.incompatible)
transform2(p);
transform(p2);
transform2(p2);
}
@Nullable Function<Object> NULL = null;
<T> void test2(@Nullable Function<? super @NonNull T> queue) {
Function<? super @NonNull T> x = (queue == null) ? NULL : queue;
}
}
}
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