// Fifth: sb.length() > 0, add "-" + null (sb becomes "null-value--null")
        assertEquals("null-value--null", result);
    }

    @Test
    @DisplayName("Should return empty string for zero elements")
    void testJoinWithNoElements() {
        String result = StringUtil.join(",");
        assertEquals("", result);
    }

    @Test
    @DisplayName("Should handle special characters in delimiter")

   * is fine with that.
   */

  /**
   * Ensures that {@code index} specifies a valid <i>element</i> in an array, list or string of size
   * {@code size}. An element index may range from zero, inclusive, to {@code size}, exclusive.
   *
   * @param index a user-supplied index identifying an element of an array, list or string
   * @param size the size of that array, list or string

        assertTrue(updateJobLogStatusCalled[0]);

        // Assert error message in result
        assertTrue(result.contains("Crawling info deletion failed"));
    }

    // Test with zero days (should still execute)
    public void test_execute_zeroDays() {
        // Setup tracking variables
        final boolean[] deleteCrawlingInfoCalled = { false };
        final boolean[] deleteSearchLogCalled = { false };

    assertThat(ArbitraryInstances.get(Double.class)).isEqualTo(Double.valueOf(0));
    assertEquals(UnsignedInteger.ZERO, ArbitraryInstances.get(UnsignedInteger.class));
    assertEquals(UnsignedLong.ZERO, ArbitraryInstances.get(UnsignedLong.class));
    assertEquals(0, ArbitraryInstances.get(BigDecimal.class).intValue());

            assertEquals(0, SMBUtil.readInt2(buffer, 46)); // ReadChannelInfoLength

            // Buffer byte
            assertEquals(0, buffer[48]); // One byte in buffer must be zero

            // Verify total bytes written
            assertEquals(49, bytesWritten);
        }

        @Test
        @DisplayName("Should write default values correctly")

    assertThat(ArbitraryInstances.get(Double.class)).isEqualTo(Double.valueOf(0));
    assertEquals(UnsignedInteger.ZERO, ArbitraryInstances.get(UnsignedInteger.class));
    assertEquals(UnsignedLong.ZERO, ArbitraryInstances.get(UnsignedLong.class));
    assertEquals(0, ArbitraryInstances.get(BigDecimal.class).intValue());

        response = new Smb2QueryInfoResponse(mockConfig, Smb2Constants.SMB2_0_INFO_FILE, FileInformation.FILE_INTERNAL_INFO);

        byte[] buffer = new byte[1024];
        int bufferIndex = 100; // Start at non-zero index

        // Set structure size to 9 (valid)
        SMBUtil.writeInt2(9, buffer, bufferIndex);
        // Set buffer offset (relative to header start)
        SMBUtil.writeInt2(50, buffer, bufferIndex + 2);

        // When
        request = new Smb2NegotiateRequest(mockConfig, 0);

        // Then
        assertArrayEquals(testMachineId, request.getClientGuid());
    }

    @Test
    @DisplayName("Should use zero GUID for SMB2.0.2")
    void testClientGuidSmb202() {
        // Given
        when(mockConfig.getMaximumVersion()).thenReturn(DialectVersion.SMB202);

            buffer.decode(testBuffer, 0, testBuffer.length);

            assertEquals(tflagsValue, buffer.getTflags());
        }

        @Test
        @DisplayName("Should decode with non-zero buffer offset")
        void testDecodeWithOffset() {
            byte[] testBuffer = new byte[20];
            int offset = 5;
            ByteBuffer bb = ByteBuffer.wrap(testBuffer).order(ByteOrder.LITTLE_ENDIAN);

            smbInfoAllocation.decode(buffer, 0, buffer.length);

            assertEquals(4L * 8192L * 1024L, smbInfoAllocation.getCapacity());
        }

        @Test
        @DisplayName("Should handle zero values")
        void testZeroValues() throws SMBProtocolDecodingException {
            byte[] buffer = new byte[24];

            smbInfoAllocation.decode(buffer, 0, buffer.length);