IllegalAccessException,
          InvocationTargetException,
          FactoryMethodReturnsNullException {
    if (cls.isEnum()) {
      T[] constants = cls.getEnumConstants();
      if (constants != null && constants.length > 0) {
        return constants[0];
      } else {
        return null;
      }
    }
    TypeToken<T> type = TypeToken.of(cls);

    }

    @Test
    @DisplayName("Test default buffer size constant")
    void testBufferSizeConstant() {
        assertEquals(0xFFFF, SmbComTransaction.TRANSACTION_BUF_SIZE, "TRANSACTION_BUF_SIZE should be 0xFFFF");
    }

    @Test
    @DisplayName("Test transaction subcommand constants")
    void testSubcommandConstants() {
        // Test Trans2 subcommands

        packet.readHeaderWireFormat(bais, buffer, 0);

        assertEquals(0x1FFFF, packet.length);
    }

    // Test for constants
    @Test
    @DisplayName("Constants should have expected values")
    void testConstants() {
        assertEquals(0x00, SessionServicePacket.SESSION_MESSAGE);
        assertEquals(0x81, SessionServicePacket.SESSION_REQUEST);

	"github.com/minio/minio/internal/logger"
	"github.com/minio/pkg/v3/env"
)

// Standard constants for all storage class
const (
	// Reduced redundancy storage class
	RRS = "REDUCED_REDUNDANCY"
	// Standard storage class
	STANDARD = "STANDARD"
)

// Standard constants for config info storage class
const (
	ClassStandard = "standard"
	ClassRRS      = "rrs"
	Optimize      = "optimize"

    @Mock
    ServerMessageBlock mockAndX;
    @Mock
    CIFSContext mockContext;

    /**
     * Helper that creates a request instance with the supplied flags.
     * The other arguments are simple constants.
     */
    private SmbComNTCreateAndX createRequest(int flags, int createOptions) {
        return new SmbComNTCreateAndX(mockConfig, "test.txt", flags, SmbConstants.FILE_READ_EA, // desired access

 *
 * As per MS-SMBD 2.2.1 - SMB_DIRECT_NEGOTIATE_REQUEST
 * This message is sent to negotiate SMB Direct protocol parameters.
 */
public class SmbDirectNegotiateRequest {

    // Protocol constants
    /** Minimum supported SMB Direct protocol version (1.0) */
    public static final int MIN_VERSION = 0x0100; // SMB Direct 1.0
    /** Maximum supported SMB Direct protocol version (1.0) */

     */
    @SuppressWarnings("unused")
    private int convertAccessFlags(EnumSet<RdmaAccess> access) {
        int flags = 0;

        // In real implementation, this would convert to DiSNI constants:
        // if (access.contains(RdmaAccess.LOCAL_READ)) {
        //     flags |= IbvMr.IBV_ACCESS_LOCAL_READ;
        // }
        // if (access.contains(RdmaAccess.LOCAL_WRITE)) {

   *   <li>Unusual environments like GWT may have their own special handling of system properties.
   * </ul>
   *
   * <p>Note that {@code StandardSystemProperty} does not provide constants for more recently added
   * properties, including:
   *
   * <ul>
   *   <li>{@code java.vendor.version} (added in Java 11, listed as optional as of Java 13)
   *   <li>{@code jdk.module.*} (added in Java 9, optional)

import junit.framework.AssertionFailedError;
import junit.framework.TestCase;
import org.jspecify.annotations.NullUnmarked;

/**
 * Base class for JSR166 Junit TCK tests. Defines some constants, utility methods and classes, as
 * well as a simple framework for helping to make sure that assertions failing in generated threads
 * cause the associated test that generated them to itself fail (which JUnit does not otherwise

                fail("Should not throw exception: " + e.getMessage());
            }
        }

        @Test
        @DisplayName("Should verify cipher constants")
        void testCipherConstants() {
            // Verify the cipher constants are correctly defined
            assertEquals(0x1, EncryptionNegotiateContext.CIPHER_AES128_CCM);
            assertEquals(0x2, EncryptionNegotiateContext.CIPHER_AES128_GCM);