import jcifs.Configuration;

@ExtendWith(MockitoExtension.class)
class BufferCacheImplTest {

    @Mock
    Configuration cfg;

    // Verifies constructor that accepts Configuration reads the expected values and uses them
    @Test
    @DisplayName("Constructor(Configuration) uses cache size and maximum buffer size from config")
    void constructorUsesConfigurationAndAllocatesWithConfiguredSize() {

##### Figure 1 - Secure Channel construction

```

    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) {

        securityResourceProvider = new FessSecurityResourceProvider(invertibleCryptographer, oneWayCryptographer);
    }

    // Test constructor
    public void test_constructor_withValidParameters() {
        // Test normal construction
        assertNotNull(securityResourceProvider);

        // Verify fields are set correctly

/**
 * Comprehensive test suite for NdrShort class
 * Tests construction, encoding, decoding, and edge cases
 */
@ExtendWith(MockitoExtension.class)
@DisplayName("NdrShort Test Suite")
class NdrShortTest {

    @Mock
    private NdrBuffer mockBuffer;

    @Nested
    @DisplayName("Constructor Tests")
    class ConstructorTests {

        @ParameterizedTest

        AppConfigurationEntry[] entries = cfg.getAppConfigurationEntry("ignored");
        Map<String, ?> returned = entries[0].getOptions();

        // Assert: sanity check and verify that no mutating calls were made after construction
        assertEquals("true", returned.get("refreshKrb5Config"));
        verify(spyOpts, never()).put(any(), any());
        verify(spyOpts, never()).remove(any());
        verify(spyOpts, never()).clear();
    }

        when(mockConfig.getPid()).thenReturn(12345);
        response = new SmbComSeekResponse(mockConfig);
    }

    /* ------------------------------------------------------------------ */
    /* 1. Construction and basic getters                                    */
    /* ------------------------------------------------------------------ */

    @Test
    @DisplayName("Construct with a valid configuration - should not throw")

            // Then
            assertNotNull(newResponse);
            // Verify the response was created successfully with the configuration
            // The constructor doesn't actually call any methods on the config during construction
        }
    }

    @Nested
    @DisplayName("Edge case tests")
    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle maximum buffer index")

    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;