} catch (Throwable e) {
        throw sanityError(classToTest, NULL_TEST_METHOD_NAMES, "nulls test", e);
      }
    }
  }

  /**
   * Tests {@code equals()} and {@code hashCode()} implementations for every top-level class in the
   * package, that explicitly implements {@link Object#equals}. For a class {@code C}:
   *
   * <ul>
   *   <li>The visible constructor or visible static factory method with the most parameters is used

      } catch (Throwable e) {
        throw sanityError(classToTest, NULL_TEST_METHOD_NAMES, "nulls test", e);
      }
    }
  }

  /**
   * Tests {@code equals()} and {@code hashCode()} implementations for every top-level class in the
   * package, that explicitly implements {@link Object#equals}. For a class {@code C}:
   *
   * <ul>
   *   <li>The visible constructor or visible static factory method with the most parameters is used