/**
     * Gets the negotiated context flags.
     * @return context flags
     */
    int getFlags();

    /**
     * Gets the array of supported security mechanism OIDs.
     * @return array of supported mechanism OIDs
     */
    ASN1ObjectIdentifier[] getSupportedMechs();

    /**
     * Checks whether this mechanism supports message integrity.
     * @return whether this mechanisms supports integrity

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.spnego;

/**
 * Constants for SPNEGO authentication mechanism OIDs used in GSS-API negotiations
 */
public interface SpnegoConstants {

    /**
     * OID for the SPNEGO mechanism
     */
    String SPNEGO_MECHANISM = "1.3.6.1.5.5.2";

    /**

import org.junit.jupiter.params.provider.MethodSource;
import org.junit.jupiter.params.provider.ValueSource;

@DisplayName("NegTokenInit SPNEGO Token Tests")
class NegTokenInitTest {

    // Common OIDs used in tests
    private static final ASN1ObjectIdentifier OID_KRB = new ASN1ObjectIdentifier(SpnegoConstants.KERBEROS_MECHANISM);

    // Simple OID format: numbers separated by dots (at least one dot)
    private static final Pattern OID_PATTERN = Pattern.compile("\\d+(?:\\.\\d+)+");

    @Test
    @DisplayName("Constant values match expected OIDs")
    void constantValues() {
        assertEquals("1.3.6.1.5.5.2", SpnegoConstants.SPNEGO_MECHANISM, "SPNEGO_MECHANISM mismatch");

    @MethodSource("supportedMechs")
    @DisplayName("isSupported returns true for supported OIDs")
    void isSupported_supportedOids(ASN1ObjectIdentifier oid) {
        assertTrue(ctx.isSupported(oid));
        assertTrue(ctx.isPreferredMech(oid));
    }

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

        try {
            krbNameOid = new Oid("1.2.840.113554.1.2.2.1");
            krbMechOid = new Oid("1.2.840.113554.1.2.2");
        } catch (Exception e) {
            log.error("Failed to initialize kerberos OIDs", e);
        }

        JGSS_KRB5_NAME_OID = krbNameOid;
        JGSS_KRB5_MECH_OID = krbMechOid;
    }

    private final GSSContext gssContext;
    private final GSSName clientName;