@Override
    public SampleElements<BigInteger> samples() {
      return new SampleElements<>(
          BigInteger.valueOf(1),
          BigInteger.valueOf(4),
          BigInteger.valueOf(3),
          BigInteger.valueOf(2),
          BigInteger.valueOf(5));
    }

    @Override
    public BigInteger[] createArray(int length) {
      return new BigInteger[length];
    }

    @Override

  public void testTwoArgNormalNormal() throws Exception {
    Method method = TwoArg.class.getMethod("normalNormal", String.class, Integer.class);
    for (TwoArg.Action first : TwoArg.Action.values()) {
      for (TwoArg.Action second : TwoArg.Action.values()) {
        TwoArg bar = new TwoArg(first, second);
        if (first.equals(TwoArg.Action.THROW_A_NPE) && second.equals(TwoArg.Action.THROW_A_NPE)) {

  public void testBadStrings() {
    UnicodeEscaper e = SIMPLE_ESCAPER;
    String[] BAD_STRINGS = {
      String.valueOf(Character.MIN_LOW_SURROGATE),
      Character.MIN_LOW_SURROGATE + "xyz",
      "abc" + Character.MIN_LOW_SURROGATE,
      "abc" + Character.MIN_LOW_SURROGATE + "xyz",
      String.valueOf(Character.MAX_LOW_SURROGATE),
      Character.MAX_LOW_SURROGATE + "xyz",
      "abc" + Character.MAX_LOW_SURROGATE,

  /**
   * Returns an {@code UnsignedInteger} that is equal to {@code value}, if possible. The inverse
   * operation of {@link #longValue()}.
   */
  public static UnsignedInteger valueOf(long value) {
    checkArgument(
        (value & INT_MASK) == value,
        "value (%s) is outside the range for an unsigned integer value",
        value);
    return fromIntBits((int) value);
  }

  /**

            new long[] {},
            new long[] {MIN_VALUE},
            new long[] {MIN_VALUE, MIN_VALUE},
            new long[] {MIN_VALUE, (long) 1},
            new long[] {(long) 1},
            new long[] {(long) 1, MIN_VALUE},
            new long[] {MAX_VALUE, MAX_VALUE - (long) 1},
            new long[] {MAX_VALUE, MAX_VALUE},
            new long[] {MAX_VALUE, MAX_VALUE, MAX_VALUE});

            new long[] {},
            new long[] {MIN_VALUE},
            new long[] {MIN_VALUE, MIN_VALUE},
            new long[] {MIN_VALUE, (long) 1},
            new long[] {(long) 1},
            new long[] {(long) 1, MIN_VALUE},
            new long[] {MAX_VALUE, MAX_VALUE - (long) 1},
            new long[] {MAX_VALUE, MAX_VALUE},
            new long[] {MAX_VALUE, MAX_VALUE, MAX_VALUE});

  }

  private static final BigInteger MAX_LONG = BigInteger.valueOf(Long.MAX_VALUE);
  private static final BigInteger MIN_LONG = BigInteger.valueOf(Long.MIN_VALUE);

  private static long saturatedCast(BigInteger big) {
    if (big.compareTo(MAX_LONG) > 0) {
      return Long.MAX_VALUE;
    }
    if (big.compareTo(MIN_LONG) < 0) {
      return Long.MIN_VALUE;
    }
    return big.longValue();
  }

    for (long value : UNSIGNED_INTS) {
      assertThat(UnsignedInts.toLong(UnsignedInts.checkedCast(value))).isEqualTo(value);
    }
    assertCastFails(1L << 32);
    assertCastFails(-1L);
    assertCastFails(Long.MAX_VALUE);
    assertCastFails(Long.MIN_VALUE);
  }

  private static void assertCastFails(long value) {
    try {
      UnsignedInts.checkedCast(value);

      assertThat(Shorts.checkedCast((long) value)).isEqualTo(value);
    }
    assertCastFails(GREATEST + 1L);
    assertCastFails(LEAST - 1L);
    assertCastFails(Long.MAX_VALUE);
    assertCastFails(Long.MIN_VALUE);
  }

  public void testSaturatedCast() {
    for (short value : VALUES) {
      assertThat(Shorts.saturatedCast((long) value)).isEqualTo(value);
    }

  }

  private static void assertCastFails(long value) {
    try {
      SignedBytes.checkedCast(value);
      fail("Cast to byte should have failed: " + value);
    } catch (IllegalArgumentException ex) {
      assertWithMessage(value + " not found in exception text: " + ex.getMessage())
          .that(ex.getMessage().contains(String.valueOf(value)))
          .isTrue();
    }