// When
        request = new Smb2NegotiateRequest(mockConfig, 0);

        // Then
        int caps = request.getCapabilities();
        int capCount = 0;
        if ((caps & Smb2Constants.SMB2_GLOBAL_CAP_DFS) != 0)
            capCount++;
        if ((caps & Smb2Constants.SMB2_GLOBAL_CAP_ENCRYPTION) != 0)
            capCount++;

        assertEquals(expectedCapabilityCount, capCount);
    }

        // When
        int caps = response.getCapabilities();

        // Then
        assertEquals(0x7F, caps);
    }

    @Test
    @DisplayName("Should return common capabilities")
    void testGetCommonCapabilities() throws Exception {
        // Given
        setPrivateField(response, "commonCapabilities", 0x3F);

        // When
        int caps = response.getCommonCapabilities();

    @ValueSource(ints = { -1, 0, 1, 1024 })
    void hasCapability_variousCaps(int cap) throws SmbException {
        when(transport.hasCapability(anyInt())).thenAnswer(inv -> ((int) inv.getArgument(0)) >= 0);

        boolean result = transport.hasCapability(cap);

        assertEquals(cap >= 0, result);
        verify(transport, times(1)).hasCapability(cap);
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.SmbNegotiationResponse#haveCapabilitiy(int)
     */
    @Override
    public boolean haveCapabilitiy(final int cap) {
        return (this.commonCapabilities & cap) == cap;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.SmbNegotiationResponse#isDFSSupported()
     */
    @Override
    public boolean isDFSSupported() {

    @DisplayName("hasCapability(cap): returns configured value and captures argument across edge caps")
    void hasCapability_variousCaps_returnsTrue_andCapturesArgument(int cap) throws Exception {
        // Arrange: stub to return true regardless of input
        when(handle.hasCapability(anyInt())).thenReturn(true);

        // Act
        boolean result = handle.hasCapability(cap);

func (config *TierConfigMgr) Add(ctx context.Context, tier madmin.TierConfig, ignoreInUse bool) error {
	config.Lock()
	defer config.Unlock()

	// check if tier name is in all caps
	tierName := tier.Name
	if tierName != strings.ToUpper(tierName) {
		return errTierNameNotUppercase
	}

	// check if tier name already in use
	if _, exists := config.isTierNameInUse(tierName); exists {

				"application/vnd.criticaltools.wbs+xml",
				"application/vnd.ctc-posml",
				"application/vnd.ctct.ws+xml",
				"application/vnd.cups-pdf",
				"application/vnd.cups-postscript",
				"application/vnd.cups-ppd",
				"application/vnd.cups-raster",
				"application/vnd.cups-raw",
				"application/vnd.curl.car",
				"application/vnd.curl.pcurl",
				"application/vnd.cybank",
				"application/vnd.data-vision.rdz",

     * @return a {@literal Maps} for constructing a {@link ConcurrentHashMap} with the specified key and value
     */
    public static <KEY, VALUE> Maps<KEY, VALUE> concurrentHashMap(final KEY key, final VALUE value) {
        return new Maps<>(new ConcurrentHashMap<KEY, VALUE>()).$(key, value);
    }

    /**
     * Returns a {@literal Maps} for constructing a {@link HashMap} with the specified key and value.

    void testHaveCapabilityMultipleFlags() {
        // Arrange
        int cap1 = 0x00000001;
        int cap2 = 0x00000002;
        int cap3 = 0x00000004;
        when(negotiationResponse.haveCapabilitiy(cap1)).thenReturn(true);
        when(negotiationResponse.haveCapabilitiy(cap2)).thenReturn(false);
        when(negotiationResponse.haveCapabilitiy(cap3)).thenReturn(true);

        // Act & Assert

 * <p>See the Guava User Guide article on <a href=
 * "https://github.com/google/guava/wiki/CollectionUtilitiesExplained#maps">{@code Maps}</a>.
 *
 * @author Kevin Bourrillion
 * @author Mike Bostock
 * @author Isaac Shum
 * @author Louis Wasserman
 * @since 2.0
 */
@GwtCompatible
public final class Maps {
  private Maps() {}

  static <K extends @Nullable Object, V extends @Nullable Object> Iterator<K> keyIterator(