*
 * <p>This class is emulated in GWT.
 *
 * @param <G> the type of the test generator required by this tester. An instance of G should
 *     somehow provide an instance of the class under test, plus any other information required to
 *     parameterize the test.
 * @author George van den Driessche
 */
@GwtCompatible
@NullMarked
public class AbstractTester<G> extends TestCase {
  private G subjectGenerator;

 */
@GwtCompatible
final class LongAdder extends Striped64 implements Serializable, LongAddable {
  @GwtIncompatible @J2ktIncompatible   private static final long serialVersionUID = 7249069246863182397L;

  /** Version of plus for use in retryUpdate */
  @Override
  final long fn(long v, long x) {
    return v + x;
  }

  /** Creates a new adder with initial sum of zero. */
  public LongAdder() {}

  /**

    public void test_convertFuzzyQuery_withSpecialCharacters() {
        QueryContext context = new QueryContext("test", false);
        String[] specialTexts = { "******@****.***", "test-hyphen", "test_underscore", "test.period", "test+plus" };

        for (String text : specialTexts) {
            Term term = new Term("title", text);
            FuzzyQuery fuzzyQuery = new FuzzyQuery(term);

   * in <a href="http://www.ietf.org/rfc/rfc2181.txt">RFC 2181</a> part 11 with the fact that the
   * encoding of each part occupies at least two bytes (dot plus label externally, length byte plus
   * label internally). Thus, if all labels have the minimum size of one byte, 127 of them will fit.
   */
  private static final int MAX_PARTS = 127;

  /**

        UnsignedInteger bUnsigned = UnsignedInteger.fromIntBits(b);
        int expected = aUnsigned.bigIntegerValue().add(bUnsigned.bigIntegerValue()).intValue();
        UnsignedInteger unsignedSum = aUnsigned.plus(bUnsigned);
        assertThat(unsignedSum.intValue()).isEqualTo(expected);
      }
    }
  }

  public void testMinus() {
    for (int a : TEST_INTS) {
      for (int b : TEST_INTS) {

  }

  /**
   * Returns the result of adding this and {@code val}. If the result would have more than 32 bits,
   * returns the low 32 bits of the result.
   *
   * @since 14.0
   */
  public UnsignedInteger plus(UnsignedInteger val) {
    return fromIntBits(this.value + checkNotNull(val).value);
  }

  /**
   * Returns the result of subtracting this and {@code val}. If the result would be negative,

   *
   * @param array the array of elements to prepend
   * @param element the element to append to the end
   * @return an array whose size is one larger than {@code array}, with the same contents as {@code
   *     array}, plus {@code element} occupying the last position.
   */
  public static <T extends @Nullable Object> T[] concat(T[] array, @ParametricNullness T element) {
    T[] result = Arrays.copyOf(array, array.length + 1);

   *
   * @param array the array of elements to prepend
   * @param element the element to append to the end
   * @return an array whose size is one larger than {@code array}, with the same contents as {@code
   *     array}, plus {@code element} occupying the last position.
   */
  public static <T extends @Nullable Object> T[] concat(T[] array, @ParametricNullness T element) {
    T[] result = Arrays.copyOf(array, array.length + 1);

    // Only report scheduling delay if larger than our spin threshold - otherwise it's just noise
    if (remainingNanos + SPIN_THRESHOLD_NANOS < 0) {
      // We over-waited for our timeout.
      message += " (plus ";
      long overWaitNanos = -remainingNanos;
      long overWaitUnits = unit.convert(overWaitNanos, NANOSECONDS);
      long overWaitLeftoverNanos = overWaitNanos - unit.toNanos(overWaitUnits);

    // Only report scheduling delay if larger than our spin threshold - otherwise it's just noise
    if (remainingNanos + SPIN_THRESHOLD_NANOS < 0) {
      // We over-waited for our timeout.
      message += " (plus ";
      long overWaitNanos = -remainingNanos;
      long overWaitUnits = unit.convert(overWaitNanos, NANOSECONDS);
      long overWaitLeftoverNanos = overWaitNanos - unit.toNanos(overWaitUnits);