// Default error class
                Arguments.of(999, 0, "unknown error class: 999"));
    }

    /**
     * Test the toString method to ensure it returns the expected string format.
     */
    @Test
    @DisplayName("toString should return a correctly formatted string")
    void testToString() {
        int errorClass = NbtException.ERR_SSN_SRVC;
        int errorCode = NbtException.CONNECTION_REFUSED;

        // Act
        String s = ex.toString();

        // Assert
        assertTrue(s.contains("SMBSignatureValidationException"), "toString should include class name");
        assertTrue(s.contains(msg), "toString should include message when provided");
    }

        // Test the toString method
        String pipeName = "\\\\pipe\\testPipe";
        TransWaitNamedPipe pipe = new TransWaitNamedPipe(pipeName);

        String result = pipe.toString();
        assertNotNull(result);
        assertTrue(result.contains("TransWaitNamedPipe"), "toString should contain class name");
        assertTrue(result.contains(pipeName), "toString should contain pipe name");
    }

     * @return The username from SPNEGO authentication
     */
    @Override
    public String getUserId() {
        return username;
    }

    /**
     * Returns a string representation of this credential.
     *
     * @return A string representation containing the username in braces
     */
    @Override
    public String toString() {
        return "{" + username + "}";
    }

    private
    fun readTestClasses(content: String): Map<String, List<String>> {
        val properties = Properties()
        val ret = mutableMapOf<String, MutableList<String>>()
        properties.load(StringReader(content))
        properties.forEach { key, value ->
            val list = ret.getOrDefault(value, mutableListOf())
            list.add(key!!.toString())
            ret[value!!.toString()] = list
        }
        return ret

        return 0;
    }

    @Override
    protected int readBytesWireFormat(final byte[] buffer, final int bufferIndex) {
        return 0;
    }

    @Override
    public String toString() {
        return ("SmbComQueryInformation[" + super.toString() + ",filename=" + this.path + "]");
    }

        assertThat(UnsignedBytes.parseUnsignedByte(Integer.toString(i, radix), radix))
            .isEqualTo((byte) i);
      }
      assertParseFails(Integer.toString(1000, radix), radix);
      assertParseFails(Integer.toString(-1, radix), radix);
      assertParseFails(Integer.toString(-128, radix), radix);
      assertParseFails(Integer.toString(256, radix), radix);
    }
  }

    assertEquals(":102", HostAndPort.fromString(":102").toString());
    assertEquals("[1::2]:103", HostAndPort.fromParts("1::2", 103).toString());
    assertEquals("[::1]:104", HostAndPort.fromString("[::1]:104").toString());

    // Without ports.
    assertEquals("foo", "" + HostAndPort.fromString("foo"));
    assertEquals("", HostAndPort.fromString("").toString());

    assertEquals(":102", HostAndPort.fromString(":102").toString());
    assertEquals("[1::2]:103", HostAndPort.fromParts("1::2", 103).toString());
    assertEquals("[::1]:104", HostAndPort.fromString("[::1]:104").toString());

    // Without ports.
    assertEquals("foo", "" + HostAndPort.fromString("foo"));
    assertEquals("", HostAndPort.fromString("").toString());

     *            The algorithm. Must not be {@literal null} or an empty string.
     * @param text
     *            The string to be hashed.
     * @return The hashed string.
     */
    public static String digest(final String algorithm, final String text) {
        assertArgumentNotEmpty("algorithm", algorithm);

        if (text == null) {
            return null;
        }

        final MessageDigest msgDigest = getInstance(algorithm);