*/
  internal const val PAYLOAD_SHORT = 126

  /** Maximum length of a frame payload to be denoted as [PAYLOAD_SHORT]. */
  internal const val PAYLOAD_SHORT_MAX = 0xffffL

  /**
   * Value for [B1_MASK_LENGTH] which indicates the next eight bytes are the unsigned
   * length.
   */
  internal const val PAYLOAD_LONG = 127

        void testMockImplementation() {
            NegotiateContextRequest mockRequest = mock(NegotiateContextRequest.class);
            when(mockRequest.getContextType()).thenReturn(0xFF);

            assertEquals(0xFF, mockRequest.getContextType());
            verify(mockRequest).getContextType();
        }
    }

    @Nested
    @DisplayName("Edge Cases and Error Conditions")
    class EdgeCasesTests {

    public void testSupportedHashAlgorithms() {
        assertTrue(preauthService.isHashAlgorithmSupported(PreauthIntegrityService.HASH_ALGO_SHA512));
        assertFalse(preauthService.isHashAlgorithmSupported(0xFF)); // Unsupported

        int[] supported = preauthService.getSupportedHashAlgorithms();
        assertNotNull(supported);
        assertEquals(1, supported.length);

		{"117Gn8rfHL2ACARPAhaFd0AGzic9pUbIA/5OCn5A", 35},
		{"SHØRT", 49},
		{"There are far too many object names, and far too few bucket names!", 8},
		{"a/b/c/", 159},
		{"/a/b/c", 96},
		{string([]byte{0xff, 0xfe, 0xfd}), 147},
	}

	// Tests hashing order to be consistent.
	for i, testCase := range testCases {
		if sipHashElement := hashKey("SIPMOD", testCase.objectName, 200, testUUID); sipHashElement != testCase.sipHash {

        assertEquals(dst.length, bytesWritten, "The number of bytes written should match the expected length.");
        // Check informationLevel
        assertEquals((byte) (informationLevel & 0xFF), dst[0]);
        assertEquals((byte) ((informationLevel >> 8) & 0xFF), dst[1]);
        // Check reserved bytes
        for (int i = 2; i < 6; i++) {
            assertEquals((byte) 0x00, dst[i], "Reserved byte at index " + i + " should be 0.");
        }

        byte[] dest = new byte[5]; // {0,0,0,0,0}
        dest[0] = (byte) 0xFF; // Add some initial data to dest

        int encodedLen = encodable.encode(dest, 1);

        // Verify encoded length
        assertEquals(3, encodedLen, "Encoded length should be equal to the specified length");

        // Verify content

@DisplayName("Hexdump Utility Tests")
class HexdumpTest extends BaseTest {

    @Test
    @DisplayName("Should convert byte array to hex string")
    void testToHexString() {
        // Given
        byte[] data = { 0x00, 0x0F, (byte) 0xFF, 0x7F, (byte) 0x80 };

        // When
        String result = Hexdump.toHexString(data);

        // Then
        assertNotNull(result);
        assertEquals("000FFF7F80", result);
    }

    @Test

        // entities. Use A as a temp var.
        for (int i = 0; i < 16; i++) {
            X[i] = block[offset++] & 0xFF | (block[offset++] & 0xFF) << 8 | (block[offset++] & 0xFF) << 16 | (block[offset++] & 0xFF) << 24;
        }

        int A = context[0];
        int B = context[1];
        int C = context[2];
        int D = context[3];

        }

        @ParameterizedTest
        @DisplayName("Should read different oplock levels correctly")
        @ValueSource(bytes = { 0x00, 0x01, 0x02, 0x08, (byte) 0xFF })
        void testReadDifferentOplockLevels(byte oplockLevel) throws Exception {
            byte[] buffer = createValidOplockBreakBuffer(oplockLevel, createTestData(16));

        dialectIndex = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        if (dialectIndex > 10) {
            return bufferIndex - start;
        }
        server.securityMode = buffer[bufferIndex] & 0xFF;
        bufferIndex++;
        server.security = server.securityMode & 0x01;
        server.encryptedPasswords = (server.securityMode & 0x02) == 0x02;
        server.signaturesEnabled = (server.securityMode & 0x04) == 0x04;