// Test case for issue #1000:
// https://github.com/typetools/checker-framework/issues/1000
// @below-java8-jdk-skip-test
import java.util.Optional;
import org.checkerframework.checker.nullness.qual.Nullable;
class Issue1000 {
//:: error: (type.argument.type.incompatible)
void illegalInstantiation(Optional<@Nullable String> arg) {}
String orElseAppliedToNonNull(Optional<String> opt) {
return opt.orElse("");
}
String orElseAppliedToNullable(Optional<String> opt) {
//:: error: (return.type.incompatible)
return opt.orElse(null);
}
}