/**
     * Stores a character mapping item in the specified dictionary.
     * <p>
     * This method performs either an insert operation (for new items with ID 0)
     * or an update operation (for existing items with non-zero ID) depending on
     * the item's current state.
     * </p>
     *
     * @param dictId the dictionary ID to store the character mapping item in
     * @param charMappingItem the character mapping item to store

        if (nonce.length == 12) {
            // For CCM cipher, pad nonce to 16 bytes with zeros
            System.arraycopy(nonce, 0, this.nonce, 0, 12);
            // Last 4 bytes remain zero-initialized
        } else if (nonce.length == 16) {
            // For GCM cipher, use full 16-byte nonce
            System.arraycopy(nonce, 0, this.nonce, 0, 16);
        } else {

        // Service accessors
        assertEquals("cifs", auth.getService());
        auth.setService("");
        assertEquals("", auth.getService());

        // Lifetime accessors (edge: zero/negative)
        auth.setUserLifeTime(0);
        assertEquals(0, auth.getUserLifeTime());
        auth.setUserLifeTime(-1);
        assertEquals(-1, auth.getUserLifeTime());

        auth.setLifeTime(0);

            ArithmeticException.class,
            () -> BigDecimalMath.roundToDouble(input, UNNECESSARY));
      }
    }
  }

  public void testRoundToDouble_zero() {
    new RoundToDoubleTester(BigDecimal.ZERO).setExpectation(0.0, RoundingMode.values()).test();
  }

  public void testRoundToDouble_oneThird() {
    new RoundToDoubleTester(
            BigDecimal.ONE.divide(BigDecimal.valueOf(3), new MathContext(50, HALF_EVEN)))

            resultField.setAccessible(true);
            assertEquals(result, resultField.get(bind), "Result should be set from decoded value");
        }

        @Test
        @DisplayName("decode_out should handle non-zero result codes")
        void testDecodeOutWithError() throws Exception {
            // Given
            int errorResult = 2;
            when(mockBuffer.dec_ndr_short()).thenReturn(2048, 2048, 5, errorResult, 1);

		// to explicitly say that the ContentLength is zero is
		// to set the Body to nil. But turns out too much code
		// depends on NewRequest returning a non-nil Body,
		// so we use a well-known ReadCloser variable instead
		// and have the http package also treat that sentinel
		// variable to mean explicitly zero.
		if req.GetBody != nil && req.ContentLength == 0 {
			req.Body = http.NoBody

        SMBUtil.writeInt4(0, testBuffer, 4); // owner offset
        SMBUtil.writeInt4(0, testBuffer, 8); // group offset
        SMBUtil.writeInt4(100, testBuffer, 12); // SACL offset (non-zero but ignored)
        SMBUtil.writeInt4(0, testBuffer, 16); // DACL offset

        int size = securityDescriptor.decode(testBuffer, 0, testBuffer.length);

            for (int i = startIndex + 4; i < buffer.length; i++) {
                assertEquals((byte) 0xFF, buffer[i]);
            }
        }

        @Test
        @DisplayName("Should handle zero offset")
        void testWriteBytesAtZeroOffset() {
            byte[] buffer = new byte[10];

            int bytesWritten = echoRequest.writeBytesWireFormat(buffer, 0);

            assertEquals(4, bytesWritten);

  @Test
  fun publicSuffixDotOrgTestCases() {
    // Any copyright is dedicated to the Public Domain.
    // https://creativecommons.org/publicdomain/zero/1.0/

    // Mixed case.
    checkPublicSuffix("COM", null)
    checkPublicSuffix("example.COM", "example.com")
    checkPublicSuffix("WwW.example.COM", "example.com")
    // Leading dot.

   * addresses, the output follows <a href="http://tools.ietf.org/html/rfc5952">RFC 5952</a> section
   * 4. The main difference is that this method uses "::" for zero compression, while Java's version
   * uses the uncompressed form (except on Android, where the zero compression is also done). The
   * other difference is that this method outputs any scope ID in the format that it was provided at