int allCaps =
                    Smb2Constants.SMB2_GLOBAL_CAP_DFS | Smb2Constants.SMB2_GLOBAL_CAP_LEASING | Smb2Constants.SMB2_GLOBAL_CAP_LARGE_MTU
                            | Smb2Constants.SMB2_GLOBAL_CAP_MULTI_CHANNEL | Smb2Constants.SMB2_GLOBAL_CAP_PERSISTENT_HANDLES
                            | Smb2Constants.SMB2_GLOBAL_CAP_DIRECTORY_LEASING | Smb2Constants.SMB2_GLOBAL_CAP_ENCRYPTION;

        int size = request.size();

        // Then
        // Verify size includes SMB2_HEADER_LENGTH
        assertTrue(size >= Smb2Constants.SMB2_HEADER_LENGTH);

        // The actual calculation: (SMB2_HEADER_LENGTH + 4 + 7) & ~7
        int expectedBase = Smb2Constants.SMB2_HEADER_LENGTH + 4;
        int expectedAligned = (expectedBase + 7) & ~7;
        assertEquals(expectedAligned, size);
    }

    @Test

        boolean shouldEnforce = (securityMode & Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED) != 0;
        assertEquals(shouldEnforce, request.isSigningEnforced());
    }

    private static Stream<Arguments> provideSecurityModes() {
        return Stream.of(Arguments.of(0), Arguments.of(Smb2Constants.SMB2_NEGOTIATE_SIGNING_ENABLED),
                Arguments.of(Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED),

        request.writeBytesWireFormat(buffer, Smb2Constants.SMB2_HEADER_LENGTH);

        // FileIndex is at offset 4 in the request structure
        int readIndex = (buffer[Smb2Constants.SMB2_HEADER_LENGTH + 4] & 0xFF) | ((buffer[Smb2Constants.SMB2_HEADER_LENGTH + 5] & 0xFF) << 8)
                | ((buffer[Smb2Constants.SMB2_HEADER_LENGTH + 6] & 0xFF) << 16)
                | ((buffer[Smb2Constants.SMB2_HEADER_LENGTH + 7] & 0xFF) << 24);

        request.encode(buffer, 0);

        // Then
        int bodyOffset = Smb2Constants.SMB2_HEADER_LENGTH;
        int securityBufferOffset = SMBUtil.readInt2(buffer, bodyOffset + 12);

        // The offset should point to the location after the fixed structure (relative to header start)
        int expectedOffset = Smb2Constants.SMB2_HEADER_LENGTH + 24;
        while ((expectedOffset % 8) != 0) {

        when(first.isSigningRequired()).thenReturn(false);
        assertEquals(Smb2Constants.SMB2_NEGOTIATE_SIGNING_ENABLED, transport.getRequestSecurityMode(first));

        // Enforced -> required+enabled
        SmbTransportImpl enforced = new SmbTransportImpl(ctx, address, 445, null, 0, true);
        assertEquals(Smb2Constants.SMB2_NEGOTIATE_SIGNING_REQUIRED | Smb2Constants.SMB2_NEGOTIATE_SIGNING_ENABLED,

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.ServerMessageBlock2Request;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for Smb2ChangeNotifyRequest functionality
 */
@DisplayName("Smb2ChangeNotifyRequest Tests")
@ExtendWith(MockitoExtension.class)

            assertEquals(Smb2Constants.SMB2_HEADER_LENGTH + 48, Smb2WriteRequest.OVERHEAD);
        }

        @Test
        @DisplayName("Should handle boundary conditions")
        void testBoundaryConditions() {
            // Test with exactly aligned data
            request.setData(new byte[8], 0, 8); // 8-byte aligned

import jcifs.CIFSContext;
import jcifs.Configuration;
import jcifs.Encodable;
import jcifs.internal.fscc.FileInformation;
import jcifs.internal.smb2.ServerMessageBlock2;
import jcifs.internal.smb2.Smb2Constants;
import jcifs.internal.util.SMBUtil;

/**
 * Test class for Smb2SetInfoRequest functionality
 */
@DisplayName("Smb2SetInfoRequest Tests")
@MockitoSettings(strictness = Strictness.LENIENT)

        int longSize = longReq.size();

        // Then
        // SMB2_HEADER_LENGTH + 8 + path.length() * 2 (UTF-16LE)
        int expectedShortSize = Smb2Constants.SMB2_HEADER_LENGTH + 8 + shortPath.length() * 2;
        int expectedLongSize = Smb2Constants.SMB2_HEADER_LENGTH + 8 + longPath.length() * 2;

        // size8 method aligns to 8-byte boundary
        int alignedShortSize = (expectedShortSize + 7) & ~7;