flags: Int,
    streamId: Int,
  ) {
    val increment: Long
    try {
      if (length != 4) throw IOException("TYPE_WINDOW_UPDATE length !=4: $length")
      increment = source.readInt() and 0x7fffffffL
      if (increment == 0L) throw IOException("windowSizeIncrement was 0")
    } catch (e: Exception) {
      logger.fine(frameLog(true, streamId, length, TYPE_WINDOW_UPDATE, flags))
      throw e
    }

          .that(UnsignedInteger.fromIntBits(value).intValue())
          .isEqualTo(value);
    }
  }

  public void testFromIntBitsLongValue() {
    for (int value : TEST_INTS) {
      long expected = value & 0xffffffffL;
      assertWithMessage(UnsignedInts.toString(value))
          .that(UnsignedInteger.fromIntBits(value).longValue())
          .isEqualTo(expected);
    }
  }

  public void testValueOfLong() {

      this.h1 = seed;
      this.length = 0;
      isDone = false;
    }

    private void update(int nBytes, long update) {
      // 1 <= nBytes <= 4
      buffer |= (update & 0xFFFFFFFFL) << shift;
      shift += nBytes * 8;
      length += nBytes;

      if (shift >= 32) {
        h1 = mixH1(h1, mixK1((int) buffer));
        buffer >>>= 32;
        shift -= 32;
      }
    }

      }

      @Override
      long mulMod(long a, long b, long m) {
        long aHi = a >>> 32; // < 2^31
        long bHi = b >>> 32; // < 2^31
        long aLo = a & 0xFFFFFFFFL; // < 2^32
        long bLo = b & 0xFFFFFFFFL; // < 2^32

        /*
         * a * b == aHi * bHi * 2^64 + (aHi * bLo + aLo * bHi) * 2^32 + aLo * bLo.
         *       == (aHi * bHi * 2^32 + aHi * bLo + aLo * bHi) * 2^32 + aLo * bLo

    coercedHash |= 0xe0000000;

    // Fixup to avoid some "illegal" values. Currently the only potential
    // illegal value is 255.255.255.255.
    if (coercedHash == 0xffffffff) {
      coercedHash = 0xfffffffe;
    }

    return getInet4Address(Ints.toByteArray(coercedHash));
  }

  /**
   * Returns an integer representing an IPv4 address regardless of whether the supplied argument is

	TST $0xfffffff0, LR                        // TST $4294967280, R30          // df6f7cf2
	TSTW R10@>21, R2                           // 5f54ca6a
	TST R17<<11, R24                           // 1f2f11ea
	ANDSW $0x80000007, R9, ZR                  // ANDSW   $2147483655, R9, ZR   // 3f0d0172
	ANDS $0xfffffff0, LR, ZR                   // ANDS    $4294967280, R30, ZR  // df6f7cf2

	MOV	$0x7ffff000, X5		// MOV	$2147479552, X5			// b7f2ff7f
	MOV	$-0x7ffff000, X5	// MOV	$-2147479552, X5		// b7120080
	MOV	$0x7fffffff, X5		// MOV	$2147483647, X5			// b70200809b82f2ff
	MOV	$-0x7fffffff, X5	// MOV	$-2147483647, X5		// b70200809b821200

	// Converted to load and shift(s)
	MOV	$0xffffffff, X5		// MOV	$4294967295, X5			// 9302f0ff93d20202

 * primitive utilities</a>.
 *
 * @author Louis Wasserman
 * @since 11.0
 */
@GwtCompatible
public final class UnsignedInts {
  static final long INT_MASK = 0xffffffffL;

  private UnsignedInts() {}

  static int flip(int value) {
    return value ^ Integer.MIN_VALUE;
  }

  /**

        InetAddresses.coerceToInteger(
            InetAddresses.getCoercedIPv4Address(InetAddresses.forString("2001:4860::1")));
    assertThat(coercedInt).isAtLeast(0xe0000000);
    assertThat(coercedInt).isAtMost(0xfffffffe);
  }

  public void testCoerceToInteger() {
    assertThat(InetAddresses.coerceToInteger(InetAddresses.forString("127.0.0.1")))
        .isEqualTo(0x7f000001);
  }

  public void testFromInteger() {

(from_montgomery out1) mod m = eval arg1 mod m // 0 ≤ eval out1 < m func p256ToMontgomery(out1 *p256MontgomeryDomain, arg1 *p256NonMontgomeryDom) { x1 := arg1[1] x2 := arg1[2] x3 := arg1[3] x4 := arg1[0] var x5 uint64 var x6 uint64 x6, x5 = bits.Mul64(x4, 0x4fffffffd) var x7 uint64 var x8 uint64 x8, x7 = bits.Mul64(x4, 0xfffffffffffffffe) var x9 uint64 var x10 uint64 x10, x9 = bits.Mul64(x4, 0xfffffffbffffffff) var x11 uint64 var x12 uint64 x12, x11 = bits.Mul64(x4, 0x3) var x13 uint64 var x14 uint64 x13, x14...