bufferIndex += 4;
        setupCount = buffer[bufferIndex] & 0xFF;
        bufferIndex += 2;
        if ((setupCount != 0) && (LogStream.level >= 3)) {
            log.println("setupCount is not zero: " + setupCount);
        }

        return bufferIndex - start;
    }

        verify(mockAllocInfo, times(1)).getCapacity();
        verify(mockAllocInfo, times(1)).getFree();
    }

    /**
     * Parameterised test of capacity values, including edge cases such as
     * zero and negative capacities.
     */
    @ParameterizedTest
    @ValueSource(longs = { 0L, -1L, Long.MAX_VALUE })
    @DisplayName("capacity may be any long value")
    void testCapacityEdgeValues(long capacity) {

        assertTrue(ex.getMessage().contains("below zero"));
        verify(treeConnection, times(1)).release(); // still only once
    }

    @Test
    @DisplayName("acquire after release reacquires underlying tree connection")
    void acquireAfterReleaseReacquires() {
        // After dropping to zero, acquire() should reacquire the underlying connection
        // Drop usage to zero
        handle.release();

            for (int i = contextHandle.length; i < 20; i++) {
                buf.enc_ndr_small(0);
            }
        } else {
            // Write 20 zero bytes for null context handle
            for (int i = 0; i < 20; i++) {
                buf.enc_ndr_small(0);
            }
        }

        // Sequence number (64-bit)

        // Assert
        assertEquals(expectedSize, size);
        verify(negotiationResponse).getTransactionBufferSize();
    }

    @Test
    @DisplayName("Test getTransactionBufferSize returns zero")
    void testGetTransactionBufferSizeZero() {
        // Arrange
        when(negotiationResponse.getTransactionBufferSize()).thenReturn(0);

        // Act

    public static final String CONTEXT_NAME = "DHnQ";

    private static final byte[] CONTEXT_NAME_BYTES = CONTEXT_NAME.getBytes();
    private static final int STRUCTURE_SIZE = 16;

    private long reserved; // Must be zero

    /**
     * Create a new durable handle request
     */
    public DurableHandleRequest() {
        this.reserved = 0;
    }

    @Override
    public byte[] getName() {

        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04 };

        assertDoesNotThrow(() -> digest.update(data, 0, data.length));
    }

    @Test
    @DisplayName("Test update method with zero length")
    void testUpdateWithZeroLength() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey);
        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04 };

        protected int allPageCount;

        /** The total number of records across all pages. */
        protected int allRecordCount;

        /** The number of records per page. */
        protected int pageSize;

        /** The current page number (1-based). */
        protected int currentPageNumber;

        /** The size of the page range for navigation. */

 */
package jcifs.internal.smb2.rdma;

import jcifs.internal.util.SMBUtil;

/**
 * SMB2 RDMA Transform structure for READ/WRITE channel info.
 *
 * As per MS-SMB2 2.2.13.1.1 and 2.2.21.1.1
 */
public class Smb2RdmaTransform {

    // SMB_DIRECT_BUFFER_DESCRIPTOR_V1 structure
    private long offset; // 8 bytes: Offset within registered buffer

        assertEquals(0, result);

        // Test with different parameters
        result = netShareEnum.readSetupWireFormat(buffer, 10, 50);
        assertEquals(0, result);

        // Test with zero length
        result = netShareEnum.readSetupWireFormat(buffer, 0, 0);
        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test readParametersWireFormat returns 0")