// is a first step. There are several replacements below, in order to normalize
        // the path character before we operate on the string as a regex input, and
        // in order to avoid surprises with the File construction...
        // -------------------------------------------------------------------------------------

        String path = System.getProperty(altLocationSysProp);

        if (path == null || path.isEmpty()) {

    @Test
    @DisplayName("constructor accepts null andx")
    void constructorWithNullAndx() {
        SmbComLogoffAndX msg = new SmbComLogoffAndX(null);
        assertNotNull(msg, "Message must not be null after construction");
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 5, -1, 10 })
    @DisplayName("writeParameterWordsWireFormat always returns 0")
    void writeParameterWordsWireFormatReturnsZero(int index) {

    void testConstructorSetsCommand() {
        SmbComClose close = new SmbComClose(1, 12345L);
        assertEquals(SMB_COM_CLOSE, close.command, "command should be SMB_COM_CLOSE after construction");
    }

    /**
     * Verify that writeParameterWordsWireFormat writes the file id and the
     * unsigned time correctly.  The last write time is zero which should be

##### Figure 1 - Secure Channel construction

```

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

/**
 * Unit tests for {@link NdrShort}.  The tests cover construction,
 * encoding and decoding logic, masking behaviour, alignment handling and
 * interaction with {@link NdrBuffer}.  All public behaviour is exercised.
 */
@ExtendWith(MockitoExtension.class)
class NdrShortTest {

        this.lifecycleStarter = lifecycleStarter;
    }

    @Override
    public void execute(MavenSession session) {
        lifecycleStarter.execute(session);
    }

    // These methods deal with construction intact Plugin object that look like they come from a standard
    // <plugin/> block in a Maven POM. We have to do some wiggling to pull the sources of information

 *
 * <p><b>Warning:</b> {@code ArrayTable} is rarely the {@link Table} implementation you want. First,
 * it requires that the complete universe of rows and columns be specified at construction time.
 * Second, it is always backed by an array large enough to hold a value for every possible
 * combination of row and column keys. (This is rarely optimal unless the table is extremely dense.)

        // Act & Assert
        assertThrows(NullPointerException.class, () -> handler.openConnection(null), "Null URL should throw NPE");
        verify(mockCtx, never()).getConfig(); // no interaction expected on failure before construction
    }

    @Test
    @DisplayName("openConnection uses SingletonContext when no context provided")
    void testOpenConnection_UsesSingletonContext() throws Exception {
        // Arrange

    MemoizingSupplier(Supplier<T> delegate) {
      this.delegate = checkNotNull(delegate);
    }

    @Override
    @ParametricNullness
    // We set the field only once (during construction or deserialization).
    @SuppressWarnings("SynchronizeOnNonFinalField")
    public T get() {
      // A 2-field variant of Double Checked Locking.
      if (!initialized) {
        synchronized (lock) {

        // Assert
        assertNotNull(handle);
        verify(mockDcerpcHandle, times(1)).sendrecv(any(MsrpcLsarOpenPolicy2.class));
        // We cannot directly assert the 'opened' field as it's private, but successful construction implies it.
    }

    @Test
    void constructor_shouldHandleNullServerSuccessfully() throws IOException {
        // Arrange
        String server = null;
        int access = 123;