handle.close();

        // Verify close was called
        verify(mockHandle, times(1)).sendrecv(any(MsrpcSamrCloseHandle.class));
        assertEquals(handle, closeCaptor.getValue().handle); // Verify correct handle is passed
    }

    @Test
    void testClose_AlreadyClosed() throws IOException {
        // Test case: close() when already closed, should do nothing
        String server = "testServer";

      return super.toString();
    }

    private static final long serialVersionUID = 0;
  }

  /*
   * This is somewhat of a weak test; we verify that all of the methods are
   * correct, but not that they're actually forwarding correctly. We also rely
   * on the other tests (e.g., SynchronizedSetTest) to verify that the
   * collection views are synchronized correctly.
   */

  public void testSize() {

    @Test
    void testWitnessEventTypes() {
        assertEquals(7, WitnessEventType.values().length);

        WitnessEventType[] events = WitnessEventType.values();

        // Verify all expected event types with correct values
        assertEquals(1, WitnessEventType.RESOURCE_CHANGE.getValue());
        assertEquals(2, WitnessEventType.CLIENT_MOVE.getValue());
        assertEquals(3, WitnessEventType.SHARE_MOVE.getValue());

    }

    public void test_temp_file_creation() {
        // Test that temp file uses correct prefix "S3Client" not "StorageClient"
        S3Client client = new S3Client() {
            @Override
            protected java.io.File createTempFile(String prefix, String suffix, java.io.File directory) {
                // Verify the prefix is correct
                assertEquals("crawler-S3Client-", prefix);

@ExtendWith(MockitoExtension.class)
public class SmbCopyUtilTest {

    // --- Tests for openCopyTargetFile ---

    @ParameterizedTest
    @ValueSource(booleans = { true, false })
    @DisplayName("openCopyTargetFile sets correct access flags depending on alsoRead")
    void openCopyTargetFile_accessMask_respectsAlsoRead(boolean alsoRead) throws Exception {
        // Arrange
        SmbFile dest = mock(SmbFile.class);

        verify(transport).ensureConnected();
    }

    // Happy path: getDfsReferrals returns referral, verify arguments captured
    @Test
    @DisplayName("getDfsReferrals returns data and receives correct args")
    void getDfsReferrals_happy() throws Exception {
        when(transport.getDfsReferrals(any(), any(), any(), any(), anyInt())).thenReturn(referral);

     */
    public void setHeartbeatInterval(long heartbeatInterval) {
        this.heartbeatInterval = heartbeatInterval;
    }

    /**
     * Validates that the heartbeat response is correct.
     * The response sequence number should match the request sequence number.
     *
     * @return true if the response is valid
     */
    public boolean isValidResponse() {

        decoded.decode(buf);
        assertEquals(expected, decoded.value, "decoded value should match original after masking");
    }

    /**
     * Verify that encode writes the correct little-endian sequence
     * to the buffer and that alignment is respected.
     */
    @Test
    void encodeWritesCorrectBytesAndAlignment() throws NdrException {

        }
    }

    @Nested
    @DisplayName("Size Calculation Tests")
    class SizeTests {

        @ParameterizedTest
        @DisplayName("Should calculate correct size for various path lengths")
        @CsvSource({ "'', 4", "'a', 6", "'\\\\', 8", "'\\\\server', 20", "'\\\\server\\share', 32", "'\\\\server\\share\\path', 42",

            int terminationPos = Strings.findUNITermination(bufferWithTermination, 0, bufferWithTermination.length);

            // Then
            assertEquals(stringBytes.length, terminationPos, "Should find termination at correct position");
        }

        @Test
        @DisplayName("findUNITermination should throw exception when termination not found")
        void testFindUNITerminationNotFound() {
            // Given