* This method implements the Microsoft variant of the Kerberos ARCFOUR-HMAC-MD5 checksum.
     *
     * @param keyusage the Kerberos key usage number for this operation
     * @param key the encryption key to use for MAC calculation
     * @param data the data to calculate the MAC for
     * @return the calculated MAC bytes
     * @throws GeneralSecurityException if cryptographic operations fail
     */

            // This can occur due to padding alignment differences between size8() and pad8()
            if (log.isDebugEnabled()) {
                log.debug("Size calculation mismatch: expected {} but got {} (difference: {})", exp, actual, actual - exp);
            }
        }
        return len;
    }

    /**
     * {@inheritDoc}
     *

        assertNotNull(e.getMessage());
    }

    @Test
    void testMockedSuccessfulParsing() throws PACDecodingException, IOException {
        // Test with mocked PacMac to avoid complex signature calculation
        try (MockedStatic<PacMac> pacMacMock = mockStatic(PacMac.class)) {
            // Mock the calculateMac method to return a valid checksum
            byte[] mockChecksum = new byte[16];

        assertEquals(8, emptyContext.size()); // Minimum size
        assertFalse(emptyContext.supportsAlgorithm(CompressionNegotiateContext.COMPRESSION_LZ77));
    }

    @Test
    @DisplayName("Test context size calculation")
    public void testContextSize() {
        int expectedSize = 8 + (3 * 2); // Header + 3 algorithms * 2 bytes each
        assertEquals(expectedSize, context.size());
    }

    @Test

    /**
     * Sent by the server in the Type 2 message to indicate that it is
     * including a Target Information block in the message. The Target
     * Information block is used in the calculation of the NTLMv2 response.
     */
    int NTLMSSP_NEGOTIATE_TARGET_INFO = 0x00800000;

    /**
     * Indicates that the NTLM version is included in the message.
     */

    /**
    * Sent by the server in the Type 2 message to indicate that it is
    * including a Target Information block in the message.  The Target
    * Information block is used in the calculation of the NTLMv2 response.
    */
    int NTLMSSP_NEGOTIATE_TARGET_INFO = 0x00800000;

    /**
    * Indicates that 128-bit encryption is supported.
    */
    int NTLMSSP_NEGOTIATE_128 = 0x20000000;

                0, // shareAccess
                0, // extFileAttributes
                createOptions, mockAndX);
    }

    @Nested
    @DisplayName("Constructor createDisposition calculation")
    class CreateDispositionTests {
        static java.util.stream.Stream<Arguments> flagsProvider() {
            return java.util.stream.Stream.of(

import java.time.LocalDateTime;
import java.time.ZonedDateTime;
import java.util.Collection;
import java.util.Date;
import java.util.Map;
import java.util.Objects;

/**
 * Utility class for memory operations and size calculations.
 */
public final class MemoryUtil {
    private MemoryUtil() {
    }

    /**
     * Gets a formatted memory usage log string.
     *
     * @return formatted memory usage information
     */

    /**
     * Calculates a Message Integrity Code (MIC) for the given data.
     * @param data the data to calculate MIC for
     * @return MIC
     * @throws CIFSException if an error occurs calculating the MIC
     */
    byte[] calculateMIC(byte[] data) throws CIFSException;

    /**
     * Verifies a Message Integrity Code (MIC) for the given data.
     * @param data the data to verify

         */
        public synchronized void setRoles(final String[] roles) {
            this.roles = roles;
        }

        /**
         * Resets permissions to force recalculation on next getPermissions() call.
         * This is called after asynchronous parent group lookup completes.
         */
        public void resetPermissions() {
            this.permissions = null;
        }
    }