*       is used to construct the sample instances. In case of tie, the candidate constructors or
   *       factories are tried one after another until one can be used to construct sample
   *       instances.
   *   <li>For the constructor or static factory method used to construct instances, it's checked
   *       that when equal parameters are passed, the result instance should also be equal; and vice
   *       versa.

   *       is used to construct the sample instances. In case of tie, the candidate constructors or
   *       factories are tried one after another until one can be used to construct sample
   *       instances.
   *   <li>For the constructor or static factory method used to construct instances, it's checked
   *       that when equal parameters are passed, the result instance should also be equal; and vice
   *       versa.

    void testGetInstanceWithoutSetInstance() {
        // Test getInstance when no instance has been set
        // Should default to System.err
        LogStream instance = LogStream.getInstance();
        assertNotNull(instance);

        // Getting instance again should return the same instance
        LogStream instance2 = LogStream.getInstance();
        assertSame(instance, instance2);
    }

    @Test

 * - Null/empty/ignored name parameter handling.
 * - Null options edge case.
 * - Repeated calls equivalence and instance separation.
 * - Interaction check that passed options are not mutated.
 */
@ExtendWith(MockitoExtension.class)
class StaticJAASConfigurationTest {

    // Constants used in assertions
    private static final String EXPECTED_LOGIN_MODULE = "com.sun.security.auth.module.Krb5LoginModule";

    @Test

        // Test that constructor creates a non-null instance
        assertNotNull(crawlerEngineClient);
    }

    // Test inheritance
    public void test_inheritance() {
        // Test that CrawlerEngineClient is properly inherited
        assertTrue(crawlerEngineClient instanceof org.codelibs.fess.crawler.client.FesenClient);
    }

    // Test multiple instances
    public void test_multipleInstances() {

 * way of "cutting" a "number line" (actually of instances of type {@code C}, not necessarily
 * "numbers") into two sections; this can be done below a certain value, above a certain value,
 * below all values or above all values. With this object defined in this way, an interval can
 * always be represented by a pair of {@code Cut} instances.
 *
 * @author Kevin Bourrillion
 */

    }

    @Test
    @DisplayName("getRequest should return the same request instance")
    void testGetRequest() {
        // Verify getRequest returns the exact same instance
        SmbNegotiationRequest request = negotiation.getRequest();
        assertSame(mockRequest, request);

        // Verify multiple calls return the same instance
        assertSame(request, negotiation.getRequest());
    }

    @Test

                assertFalse(iterator2.hasNext(), "Second instance should have no elements");
                assertFalse(iterator3.hasNext(), "Third instance should have no elements");

                assertNull(iterator1.next(), "First instance next() should return null");
                assertNull(iterator2.next(), "Second instance next() should return null");

import jcifs.util.Hexdump;

class NtTransQuerySecurityDescTest {

    @Mock
    private Configuration mockConfig;

    private NtTransQuerySecurityDesc querySecurityDesc;

    // Security information flag constants for testing
    private static final int OWNER_SECURITY_INFORMATION = 0x00000001;
    private static final int GROUP_SECURITY_INFORMATION = 0x00000002;
    private static final int DACL_SECURITY_INFORMATION = 0x00000004;

   * numerical errors. Calling this method multiple times on the same instance will always return
   * the same instance. Calling this method on the result of calling this method on an instance will
   * always return that original instance.
   */
  public abstract LinearTransformation inverse();