assertNotNull(wrappedContext);
        assertTrue(wrappedContext instanceof CIFSContextCredentialWrapper);
        // Verify that the new context uses NtlmPasswordAuthenticator (anonymous)
        assertTrue(wrappedContext.getCredentials() instanceof NtlmPasswordAuthenticator);
        assertTrue(wrappedContext.getCredentials().isAnonymous());
    }

    @Test
    void testWithDefaultCredentials() {

// response for anonymous/unsigned and unknown signature type HTTP request.

// Here is the brief description of some of the arguments to the function below.
//
//	apiRouter - http.Handler with the relevant API endPoint (API endPoint under test) registered.
//	anonReq   - unsigned *http.Request to invoke the handler's response for anonymous requests.

  @LazyInit private transient @Nullable TypeResolver covariantTypeResolver;

  /**
   * Constructs a new type token of {@code T}.
   *
   * <p>Clients create an empty anonymous subclass. Doing so embeds the type parameter in the
   * anonymous class's type hierarchy so we can reconstitute it at runtime despite erasure.
   *
   * <p>For example:
   *
   * {@snippet :

        @Override
        public boolean isGuest() {
            return false; // not guest for test purposes
        }

        @Override
        public boolean isAnonymous() {
            return false; // not anonymous for test purposes
        }

        @Override
        public String getUserDomain() {
            return "TESTDOMAIN"; // test domain for test purposes
        }

        @Override

	"github.com/minio/madmin-go/v3"
	"github.com/minio/madmin-go/v3/logger/log"
	"github.com/minio/minio/internal/color"
	xhttp "github.com/minio/minio/internal/http"
)

// HighwayHash key for logging in anonymous mode
var magicHighwayHash256Key = []byte("\x4b\xe7\x34\xfa\x8e\x23\x8a\xcd\x26\x3e\x83\xe6\xbb\x96\x85\x52\x04\x0f\x93\x5d\xa3\x9f\x44\x14\x97\xe0\x9d\x13\x22\xde\x36\xa0")

// Enumerated level types
const (

    int NTLMSSP_NEGOTIATE_NETWARE = 0x00000100;

    /**
     * Indicates support for NTLM authentication.
     */
    int NTLMSSP_NEGOTIATE_NTLM = 0x00000200;

    /**
     * Indicates that this is an anonymous connection
     */
    int NTLMSSP_NEGOTIATE_ANONYMOUS = 0x00000800;

    /**
     * Indicates whether the OEM-formatted domain name in which the

     */
    public enum AuthenticationType {
        /**
         * Null/anonymous authentication
         *
         * Login with no credentials
         */
        NULL,
        /**
         * Guest authentication
         *
         * Allows login with invalid credentials (username and/or password)
         * Fallback to anonymous authentication is permitted
         */
        GUEST,
        /**

        // Then
        assertEquals(newContext, context);
        verify(mockContext).withDefaultCredentials();
    }

    @Test
    @DisplayName("Should get context with anonymous credentials")
    void testWithAnonymousCredentials() {
        // Given
        CIFSContext newContext = mock(CIFSContext.class);
        when(mockContext.withAnonymousCredentials()).thenReturn(newContext);

    @Test
    @DisplayName("isAnonymous and isGuest are always false")
    void testIsAnonymousAndGuestFalse() {
        JAASAuthenticator auth = new JAASAuthenticator();
        // JAAS-based authenticator should never be anonymous or guest
        assertFalse(auth.isAnonymous());
        assertFalse(auth.isGuest());
    }

    @ParameterizedTest
    @EnumSource(SubjectVariant.class)

        NtlmPasswordAuthenticator guestAuth = new NtlmPasswordAuthenticator("guest", "anypass");
        assertTrue(guestAuth.isGuest());
        assertFalse(guestAuth.isAnonymous());

        // Test anonymous detection
        NtlmPasswordAuthenticator anonAuth = new NtlmPasswordAuthenticator("", new char[0]);
        assertTrue(anonAuth.isAnonymous());
        assertFalse(anonAuth.isGuest());