Files
openide/java/java-tests/testData/inspection/nullableProblems/OverridingNotNullCollectionWithNullable.java
Peter Gromov f3cb948613 IDEA-231906 IDEA should check violations of array/collection component nullability in overridden methods
GitOrigin-RevId: e57066f48674a0b3491e1a57bbfa3f4cab4bd60d
2020-03-06 19:01:54 +00:00

30 lines
1.1 KiB
Java

import typeUse.*;
import java.util.*;
abstract class Parent {
abstract @NotNull String @NotNull [] getStrings();
abstract @NotNull List<@NotNull String> getStringList();
abstract void foo(@Nullable String @NotNull [] p1,
@NotNull List<@Nullable String> p2);
}
class Child extends Parent {
@Override
@Nullable <warning descr="Overriding a collection of not-null elements with a collection of nullable elements">String @NotNull []</warning> getStrings() {
throw new UnsupportedOperationException();
}
@Override
@NotNull <warning descr="Overriding a collection of not-null elements with a collection of nullable elements">List<@Nullable String></warning> getStringList() {
throw new UnsupportedOperationException();
}
void foo(@NotNull <warning descr="Overriding a collection of nullable elements with a collection of non-null elements">String @NotNull []</warning> p1,
@NotNull <warning descr="Overriding a collection of nullable elements with a collection of non-null elements">List<@NotNull String></warning> p2) {
}
}