}

        @Override
        public int getContextType() {
            return contextType;
        }

        @Override
        public int encode(byte[] dst, int dstIndex) {
            return 0;
        }

        @Override
        public int size() {
            return 0;
        }
    }

    @Nested
    @DisplayName("Interface Tests")
    class InterfaceTests {

            // Mock implementation
            return 0;
        }

        @Override
        public int encode(byte[] dst, int dstIndex) {
            // Mock implementation
            return 0;
        }

        @Override
        public void setDigest(SMBSigningDigest digest) {
            this.digest = digest;
        }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb2.ServerMessageBlock2#writeBytesWireFormat(byte[], int)
     */
    @Override
    protected int writeBytesWireFormat(final byte[] dst, final int dstIndex) {
        return 0;
    }

    @Override
    public String toString() {
        return ("Smb2NegotiateResponse[" + super.toString() + ",dialectRevision=" + this.dialectRevision + ",securityMode=0x"

        }

        public TestServerMessageBlock2(Configuration config, int command) {
            super(config, command);
        }

        @Override
        protected int writeBytesWireFormat(byte[] dst, int dstIndex) {
            return bytesWritten;
        }

        @Override
        protected int readBytesWireFormat(byte[] buffer, int bufferIndex) throws SMBProtocolDecodingException {
            if (throwOnRead) {

        byte[] dest = new byte[5];

        // Expect IndexOutOfBoundsException from System.arraycopy
        assertThrows(IndexOutOfBoundsException.class, () -> {
            encodable.encode(dest, 3); // destIndex=3, len=3, dest.length=5. 3+3 > 5
        }, "Should throw IndexOutOfBoundsException if destination offset + length exceeds destination array bounds");
    }

    @Test
    void testEncodeNullSourceArray() {

    // null for empty paths and root-only paths
    if (name == null) {
      return "";
    }

    String fileName = name.toString();
    int dotIndex = fileName.lastIndexOf('.');
    return dotIndex == -1 ? "" : fileName.substring(dotIndex + 1);
  }

  /**
   * Returns the file name without its <a
   * href="http://en.wikipedia.org/wiki/Filename_extension">file extension</a> or path. This is