public CredentialsInternal renew() {
            // Returns null to represent an implementation that could not renew
            return null;
        }
    }

    // Provide different implementation behaviors to a parameterized test
    static Stream<Arguments> implementations() {
        return Stream.of(Arguments.of("returns self", (Supplier<SmbRenewableCredentials>) SelfRenewingCreds::new, true, false),

/**
 * Form for uploading search request files to the Fess search engine.
 * This form is used in the admin interface to upload search request configuration files
 * that define search behaviors and request handling.
 */
public class UploadForm {

    /**
     * The multipart file containing the search request configurations to be uploaded.

        mockConfig = mock(Configuration.class);
        mockCredentials = mock(Credentials.class);
        mockTransportPool = mock(SmbTransportPool.class);

        // Set up mock behaviors
        when(mockContext.getConfig()).thenReturn(mockConfig);
        when(mockContext.getCredentials()).thenReturn(mockCredentials);
        when(mockContext.getTransportPool()).thenReturn(mockTransportPool);

import org.junit.jupiter.params.provider.MethodSource;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;

/**
 * Tests for SMBProtocolDowngradeException covering all constructors and behaviors.
 */
@ExtendWith(MockitoExtension.class)
class SMBProtocolDowngradeExceptionTest {

    /**
     * Provides messages including edge cases (null and empty) for parameterized testing.
     */

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Verifies scope inheritance of direct and transitive dependencies.
 *
 * Should show three behaviors:
 *
 * 1. dependencyManagement should override the scope of transitive dependencies.
 * 2. Direct dependencies should override the scope of dependencyManagement.

import org.junit.jupiter.params.provider.ValueSource;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

/**
 * Tests for SmbFilenameFilter interface behaviors via simple implementations.
 * Each test creates a concrete filter to validate expected contract semantics
 * including normal operation, null handling, edge cases, and exception flow.
 */
@ExtendWith(MockitoExtension.class)

            assertTrue(consistentRequest.isSigningEnforced(), "Implementation should consistently return the same value");
        }
    }

    @Test
    @DisplayName("Test different implementations can have different behaviors")
    void testDifferentImplementations() {
        // Given
        SmbNegotiationRequest enforcedRequest = new TestSmbNegotiationRequest(true);

import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.Nullable;

/**
 * Tests {@link MapTestSuiteBuilder} by using it against maps that have various negative behaviors.
 *
 * @author George van den Driessche
 */
@AndroidIncompatible // test-suite builders
public final class MapTestSuiteBuilderTests extends TestCase {
  private MapTestSuiteBuilderTests() {}

import org.junit.jupiter.api.Test;

import jcifs.RuntimeCIFSException;

/**
 * Optimized test for Transport class focusing on core functionality
 * with fast execution and comprehensive coverage of key behaviors.
 */
class TransportTest {

    private TestableTransport transport;

    /**
     * Minimal Transport implementation for testing core functionality
     */

    @BeforeEach
    void setUp() {
        // Create a fresh pool instance for each test
        pool = new SmbTransportPoolImpl();

        // Setup default mock behaviors
        when(ctx.getConfig()).thenReturn(config);
        when(ctx.getNameServiceClient()).thenReturn(nameSvc);
        when(ctx.getCredentials()).thenReturn(creds);
        when(ctx.getTransportPool()).thenReturn(pool);