* Mockito to guarantee that implementation classes do not inadvertently
 * bypass the filter logic.
 */
public class SmbFileFilterTest {

    /**
     * A minimal implementation that accepts every {@link SmbFile}.
     */
    private final SmbFileFilter ALWAYSACTIVE = new SmbFileFilter() {
        @Override
        public boolean accept(SmbFile file) throws SmbException {

 *   <li>Terminology note: a range {@code a} is said to be the <i>maximal</i> range having property
 *       <i>P</i> if, for all ranges {@code b} also having property <i>P</i>, {@code a.encloses(b)}.
 *       Likewise, {@code a} is <i>minimal</i> when {@code b.encloses(a)} for all {@code b} having
 *       property <i>P</i>. See, for example, the definition of {@link #intersection intersection}.

import jcifs.internal.smb1.com.SmbComNTCreateAndX;
import jcifs.internal.smb1.com.SmbComNTCreateAndXResponse;

@ExtendWith(MockitoExtension.class)
class SmbNamedPipeTest {

    // Creates a minimal valid CIFS context that does not perform I/O by itself
    private CIFSContext ctx() {
        return SingletonContext.getInstance();
    }

    @Nested
    @DisplayName("Constructor behavior")

        assertTrue(str.contains("filename=testfile.txt"), "toString must contain the supplied filename");
    }

    @Test
    @DisplayName("writeBytesWireFormat with null path returns minimal bytes")
    void testWriteWhenPathIsNull() {
        // When path is null, Strings.getOEMBytes returns empty array, not NPE
        when(mockConfig.getOemEncoding()).thenReturn("windows-1252");

 * These tests verify that the constructor accepts various parameters
 * without throwing exceptions.
 */
@ExtendWith(MockitoExtension.class)
class MsrpcSamrConnect2Test {

    // Helper method to create a minimal SamrPolicyHandle instance.
    private static SamrPolicyHandle createMockPolicyHandle() {
        return mock(SamrPolicyHandle.class);
    }

    @Nested
    @DisplayName("Constructor parameter handling")

        assertTrue(keywords.size() > 0);
    }

    @Test
    public void testCreateBulkLineWithMinimalItem() {
        // Test with minimal SuggestItem
        SuggestItem item = new SuggestItem(new String[] { "minimal" }, new String[0][0], new String[0], 0, // queryFreq
                0, // docFreq
                1.0f, // userBoost

import jcifs.internal.util.SMBUtil;

@ExtendWith(MockitoExtension.class)
class Smb2CreateResponseTest {

    // SMB2 header size in bytes
    private static final int SMB2_HEADER_LENGTH = 64;

    /**
     * Build a minimal SMB2 header for a response.
     */
    private static byte[] buildSmb2Header() {
        byte[] header = Arrays.copyOf(SMBUtil.SMB2_HEADER, SMBUtil.SMB2_HEADER.length);
        // Mark as server->client response for realism

        SMBUtil.writeInt2(dataOffset, buffer, bufferIndex + 2);
        // Set buffer length
        SMBUtil.writeInt4(104, buffer, bufferIndex + 4); // Minimal FileBothDirectoryInfo

        response = spy(response);
        when(response.getHeaderStart()).thenReturn(0);

        // Write minimal FileBothDirectoryInfo at dataOffset
        // NextEntryOffset (0 = last entry)
        SMBUtil.writeInt4(0, buffer, dataOffset);

        // Valid share URL with trailing slash; constructing does not perform I/O
        return new SmbFile("smb://test-server/share/");
    }

    // Helper to create a minimal FileEntry mock
    private FileEntry entry(String name, int type) {
        FileEntry e = mock(FileEntry.class);
        when(e.getName()).thenReturn(name);
        when(e.getType()).thenReturn(type);
        return e;

class SmbTreeConnectionTraceTest {

    // Helper to build a minimal smb URL
    private static URL smbUrl(String spec) {
        try {
            return new URL(null, spec, new Handler());
        } catch (MalformedURLException e) {
            throw new AssertionError("Failed to create SMB URL: " + spec, e);
        }
    }

    // Utility to build a minimal locator for connect tests