// IsDateNull returns true if date field is null
func (t Transition) IsDateNull() bool {
	return t.Date.IsZero()
}

// IsNull returns true if both date and days fields are null
func (t Transition) IsNull() bool {
	return t.StorageClass == ""
}

// NextDue returns upcoming transition date for obj and true if applicable,
// returns false otherwise.
func (t Transition) NextDue(obj ObjectOpts) (time.Time, bool) {

        // Test case for isCancel method when it returns true
        when(mockRequest.isCancel()).thenReturn(true);

        assertTrue(mockRequest.isCancel(), "isCancel should return true when mocked to do so.");
        verify(mockRequest, times(1)).isCancel();
    }

    @Test
    void testIsCancelFalse() {
        // Test case for isCancel method when it returns false
        when(mockRequest.isCancel()).thenReturn(false);

    }

    /**
     * Returns the server principal name from the ticket.
     *
     * @return the server principal name
     */
    public String getServerPrincipalName() {
        return this.serverPrincipalName;
    }

    /**
     * Returns the server realm from the ticket.
     *
     * @return the server realm
     */
    public String getServerRealm() {

    super(directed);
  }

  /** Returns a {@link GraphBuilder} for building directed graphs. */
  public static GraphBuilder<Object> directed() {
    return new GraphBuilder<>(true);
  }

  /** Returns a {@link GraphBuilder} for building undirected graphs. */
  public static GraphBuilder<Object> undirected() {
    return new GraphBuilder<>(false);
  }

  /**

  public static <T extends @Nullable Object> Predicate<T> in(Collection<? extends T> target) {
    return new InPredicate<>(target);
  }

  /**
   * Returns the composition of a function and a predicate. For every {@code x}, the generated
   * predicate returns {@code predicate(function(x))}.
   *
   * @return the composition of the provided function and predicate
   */

     *
     * @return the operating system architecture (never null)
     */
    @Nonnull
    String arch();

    /**
     * Returns the OS version as reported by the system property "os.version".
     * The value is converted to lowercase for consistency.
     *
     * @return the operating system version (never null)
     */
    @Nonnull
    String version();

    /**

//   - returns "legacy" if FileInfo is XLV1 and DataDir is
//     empty, returns DataDir otherwise
//   - returns "dataDir"
func (fi FileInfo) GetDataDir() string {
	if fi.Deleted {
		return "delete-marker"
	}
	if fi.XLV1 && fi.DataDir == "" {
		return "legacy"
	}
	return fi.DataDir
}

// IsCompressed returns true if the object is marked as compressed.
func (fi FileInfo) IsCompressed() bool {

	})
	if err != nil {
		if errors.Is(err, kms.ErrKeyNotFound) {
			return DEK{}, ErrKeyNotFound
		}
		if errors.Is(err, kms.ErrPermission) {
			return DEK{}, ErrPermission
		}
		return DEK{}, errKeyGenerationFailed(err)
	}

	return DEK{
		KeyID:      name,
		Version:    resp[0].Version,
		Plaintext:  resp[0].Plaintext,
		Ciphertext: resp[0].Ciphertext,
	}, nil
}

    }

    @Test
    @DisplayName("isSupported returns false for null/unknown OIDs")
    void isSupported_unknownOrNull() {
        assertFalse(ctx.isSupported(null));
        assertFalse(ctx.isPreferredMech(null));
        assertFalse(ctx.isSupported(new ASN1ObjectIdentifier("1.3.6.1.4.1.99999")));
    }

    @Test
    @DisplayName("getSupportedMechs returns expected array")
    void getSupportedMechs_happyPath() {

    }

    @Test
    @DisplayName("Test writeSetupWireFormat returns 0")
    void testWriteSetupWireFormat() {
        byte[] buffer = new byte[100];
        int result = response.writeSetupWireFormat(buffer, 0);

        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test writeParametersWireFormat returns 0")
    void testWriteParametersWireFormat() {
        byte[] buffer = new byte[100];