import java.util.Objects;
import org.jspecify.annotations.NullMarked;

/**
 * Tests {@link SingletonImmutableTable}.
 *
 * @author Gregory Kick
 */
@GwtCompatible
@NullMarked
public class SingletonImmutableTableTest extends AbstractImmutableTableTest {
  private final ImmutableTable<Character, Integer, String> testTable =
      new SingletonImmutableTable<>('a', 1, "blah");

  public void testHashCode() {