verify(session).getSessionKey();
    }

    // Happy path: transport is returned and verified
    @Test
    @DisplayName("getTransport returns mocked transport")
    void getTransport_happy() {
        when(session.getTransport()).thenReturn(transport);
        assertSame(transport, session.getTransport());
        verify(session).getTransport();
    }

    // Happy path: connect to logon share completes without exception

    private SmbSession session;

    @Mock
    private jcifs.DfsReferralData referral;

    @BeforeEach
    void resetMocks() {
        Mockito.reset(transport, ctx, session, referral);
    }

    // Happy path: hasCapability returns based on provided capability codes
    @ParameterizedTest
    @DisplayName("hasCapability returns expected values for various caps")
    @ValueSource(ints = { -1, 0, 1, 1024 })

    /**
     * Ensure the constructor sets the {@code command} field of the
     * {@link ServerMessageBlock} superclass to {@link ServerMessageBlock#SMB_COM_CLOSE}.
     */
    @Test
    @DisplayName("happy: constructor sets command correctly")
    void testConstructorSetsCommand() {
        SmbComClose close = new SmbComClose(1, 12345L);

        assertEquals(0, m3.getExceptionTypes().length);

        // Package check to ensure we are validating the correct type
        assertEquals("jcifs.smb", clazz.getPackage().getName());
    }

    // Happy path: shouldForceSigning returns the configured value
    @ParameterizedTest
    @ValueSource(booleans = { true, false })
    @DisplayName("shouldForceSigning returns stubbed boolean value")

            if (codes[i] == code) {
                return Optional.of(msgs[i]);
            }
        }
        return Optional.empty();
    }

    // Producer for code->message pairs covering all known constants (happy path)
    static Stream<Arguments> knownCodeMessagePairs() {
        return Stream.of(Arguments.of(WinError.ERROR_SUCCESS, "The operation completed successfully."),

import org.mockito.junit.jupiter.MockitoExtension;

/**
 * Tests for {@link RequestParam} covering enum mechanics and edge cases.
 */
@ExtendWith(MockitoExtension.class)
public class RequestParamTest {

    // Happy path: values() returns all constants in declaration order
    @Test
    @DisplayName("values() returns all declared constants in order")
    void valuesContainsAllInOrder() {
        RequestParam[] values = RequestParam.values();

    }

    @ParameterizedTest(name = "Implementation is instance: {0}")
    @MethodSource("implementations")
    @DisplayName("Happy path: can create implementations and use type checks")
    void testImplementationsAreUsable(SessionSetupHandler impl) {
        // Arrange is provided by method source

        // Act & Assert

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

@ExtendWith(MockitoExtension.class)
class SMBSignatureValidationExceptionTest {

    // Happy path: default constructor creates an exception with no message/cause
    @Test
    @DisplayName("Default ctor: null message/cause and success status")
    void defaultConstructor_hasNullMessageAndCause_andDefaultStatus() {

public class SmbResourceLocatorTest {

    /**
     * A very small concrete implementation used only by the tests. It parses
     * the URL string and performs minimal validation – just enough to make the
     * happy-path expectations deterministic.
     */
    private static class DummySmbResourceLocator implements SmbResourceLocator {
        private final String urlStr;
        private final String host;

 * including normal operation, null handling, edge cases, and exception flow.
 */
@ExtendWith(MockitoExtension.class)
class SmbFilenameFilterTest {

    @Mock
    SmbFile mockDir;

    /**
     * Happy-path: a filter that accepts any name.
     */
    @ParameterizedTest
    @DisplayName("accepts any non-null/any string")
    @ValueSource(strings = { "file.txt", "data.DAT", "a", "x.y.z", "  spaced  " })