Smb2TreeDisconnectRequest request = new Smb2TreeDisconnectRequest(mockConfig);
        byte[] buffer = new byte[3]; // Too small for 4 bytes

        // When & Then
        assertThrows(ArrayIndexOutOfBoundsException.class, () -> {
            request.writeBytesWireFormat(buffer, 0);
        });
    }

    @Test
    @DisplayName("Should throw exception when offset exceeds buffer")

    void testReadBytesWireFormatBufferTooSmall() {
        // Given
        byte[] buffer = new byte[1]; // Too small to read structure size

        // When & Then
        assertThrows(ArrayIndexOutOfBoundsException.class, () -> {
            response.readBytesWireFormat(buffer, 0);
        });
    }

    @Test
    @DisplayName("Should throw exception when offset exceeds buffer for reading")

            FileFsSizeInformation info = new FileFsSizeInformation();
            byte[] buffer = new byte[10]; // Too small

            // Should throw ArrayIndexOutOfBoundsException for insufficient buffer
            assertThrows(ArrayIndexOutOfBoundsException.class, () -> {
                info.decode(buffer, 0, buffer.length);
            });
        }

        @ParameterizedTest

        writeLittleEndianInt(baos, 100); // size
        writeLittleEndianLong(baos, 1000); // offset way out of bounds
        byte[] pacData = baos.toByteArray();

        // This currently throws ArrayIndexOutOfBoundsException
        // but should be wrapped in PACDecodingException
        assertThrows(Exception.class, () -> new Pac(pacData, keys));
    }

    @Test
    void testZeroBufferCount() throws IOException {

            if (dstIndex < 0) {
                throw new IllegalArgumentException("Destination index cannot be negative");
            }
            if (dstIndex + encodedSize > dst.length) {
                throw new ArrayIndexOutOfBoundsException("Buffer overflow");
            }

            // Simulate encoding: write header (8 bytes)
            Arrays.fill(dst, dstIndex, dstIndex + 8, (byte) 0xFF);
            int offset = dstIndex + 8;

            request.setFileId(shortFileId);

            byte[] buffer = new byte[256];

            // Should handle gracefully or throw appropriate exception
            assertThrows(ArrayIndexOutOfBoundsException.class, () -> request.writeBytesWireFormat(buffer, 0));
        }

        @Test
        @DisplayName("Should handle all parameters at maximum")
        void testAllParametersMaximum() {

    @DisplayName("Test writeParametersWireFormat with small buffer throws ArrayIndexOutOfBoundsException")
    void testWriteParametersWireFormatSmallBuffer() {
        netShareEnum = new NetShareEnum(realConfig);

        // Buffer too small for the full parameters (need at least 19 bytes)
        byte[] dst = new byte[10];

        assertThrows(ArrayIndexOutOfBoundsException.class, () -> {

        assertThrows(NullPointerException.class, () -> cache.resolveSids(ctx, "server", null, 0, 1));

        // Bad offset/length leads to ArrayIndexOutOfBoundsException
        jcifs.SID[] sids = new jcifs.SID[] { sid("S-1-1-0") };
        assertThrows(ArrayIndexOutOfBoundsException.class, () -> cache.resolveSids(ctx, "server", sids, 1, 2));
    }

    @Nested
    class EdgeCasesForResolveSids {
        @Test

    @DisplayName("Test buffer overflow protection")
    void testBufferOverflowProtection() {
        byte[] smallBuffer = new byte[23]; // One byte too small

        // Should throw ArrayIndexOutOfBoundsException
        assertThrows(ArrayIndexOutOfBoundsException.class, () -> {
            request.writeBytesWireFormat(smallBuffer, 0);
        });
    }

    @Test
    @DisplayName("Test file ID boundary values")

        void testReadBytesWireFormatInsufficientBuffer() {
            // Given
            byte[] buffer = new byte[1]; // Too small

            // When & Then
            assertThrows(ArrayIndexOutOfBoundsException.class, () -> response.readBytesWireFormat(buffer, 0));
        }

        @Test
        @DisplayName("Should handle negative structure size as unsigned")