import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

/**
 * Utility class for creating test fixtures and reducing code duplication in tests.
 */
public final class TestUtils {

    private TestUtils() {
        // Utility class
    }

    /**
     * Creates a mock UpgradeContext with default settings.
     *
     * @return a mock UpgradeContext
     */

 * This test class uses Mockito to create a mock implementation of the SmbTreeHandle interface.
 * Each method of the interface is tested to ensure it behaves as expected.
 */
@ExtendWith(MockitoExtension.class)
@MockitoSettings(strictness = Strictness.LENIENT)
class SmbTreeHandleTest {

    @Mock
    private SmbTreeHandle smbTreeHandle;

    @Mock
    private Configuration mockConfig;

    /**

    // 'swallowException' when the mock does not throw an exception.
    setupFlushable(false);
    doFlush(mockFlushable, false, false);

    setupFlushable(false);
    doFlush(mockFlushable, true, false);
  }

  public void testFlush_flushableWithEatenException() throws IOException {
    // make sure that no exception is thrown if 'swallowException' is true
    // when the mock does throw an exception on flush.

import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

        // Mock Pac construction to bypass complex validation
        try (MockedConstruction<Pac> pacMock = Mockito.mockConstruction(Pac.class, (mock, context) -> {
            // Setup mock behavior
            PacLogonInfo mockLogonInfo = Mockito.mock(PacLogonInfo.class);
            PacSignature mockServerSig = Mockito.mock(PacSignature.class);

@ExtendWith(MockitoExtension.class)
@MockitoSettings(strictness = Strictness.LENIENT)
class SmbTreeHandleImplTest {

    @Mock
    SmbResourceLocatorImpl resourceLoc;

    @Mock
    SmbTreeConnection treeConnection;

    @Mock
    SmbSessionImpl session;

    @Mock
    SmbTransportImpl transport;

    @Mock
    Configuration config;

    private SmbTreeHandleImpl handle;

    @BeforeEach
    void setUp() {

  }

  @AndroidIncompatible // Mocking ExecutorService is forbidden there. TODO(b/218700094): Don't mock.
  public void testGetExitingExecutorService_executorDelegatesToOriginal() {
    TestApplication application = new TestApplication();
    ThreadPoolExecutor executor = mock(ThreadPoolExecutor.class);
    ThreadFactory threadFactory = mock(ThreadFactory.class);
    when(executor.getThreadFactory()).thenReturn(threadFactory);

     * Initializes a mock {@link SmbPipeResource} and a mock implementation of {@link SmbPipeHandle}.
     * @throws CIFSException if an error occurs during setup.
     */
    @BeforeEach
    public void setUp() throws CIFSException {
        mockPipeResource = mock(SmbPipeResource.class);
        mockSmbPipeHandleInternal = mock(SmbPipeHandleInternal.class);
        mockInputStream = mock(InputStream.class);

    void resolveSids_populatesFields_happyPath() throws Exception {
        SIDCacheImpl cache = new SIDCacheImpl(mock(CIFSContext.class));
        DcerpcHandle handle = mock(DcerpcHandle.class);
        LsaPolicyHandle policy = mock(LsaPolicyHandle.class);

        // Prepare input SIDs
        SID s1 = sid("S-1-5-21-1-2-3-1001");
        SID s2 = sid("S-1-5-21-1-2-3-1002");

 * scenarios that don't require complex filter setups.
 */
@ExtendWith(MockitoExtension.class)
class DirFileEntryAdapterIteratorTest {

    @Mock
    private SmbResource mockParent;

    @Mock
    private CloseableIterator<FileEntry> mockDelegate;

    @Mock
    private ResourceFilter mockFilter;

    @Mock
    private FileEntry mockFileEntry1;

    @Mock