import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;

import jcifs.SmbSession;

/**
 * Tests for SmbTransportInternal interface using Mockito mocks to
 * exercise method contracts, checked exceptions, and interactions.
 */
@ExtendWith(MockitoExtension.class)
public class SmbTransportInternalTest {

    @Mock
    private SmbTransportInternal transport;

    @Mock

      Class<? extends Exception> exceptionClass) {
    try {
      Exception unused = newWithCause(exceptionClass, new Exception());
      return true;
    } catch (Throwable t) { // sneaky checked exception
      return false;
    }
  }

  private static <X extends Exception> X newWithCause(Class<X> exceptionClass, Throwable cause) {

   * - https://github.com/jspecify/jdk/commit/71d826792b8c7ef95d492c50a274deab938f2552
   */
  /*
   * TODO(cpovirk): Is the unchecked cast avoidable? Would System.arraycopy be similarly fast (if
   * likewise not type-checked)? Could our single caller do something different?
   */
  @SuppressWarnings({"nullness", "unchecked"})
  static <T extends @Nullable Object> T[] copy(Object[] source, int from, int to, T[] arrayOfType) {

import jcifs.CIFSException;
import jcifs.SmbTransport;
import jcifs.SmbTree;

/**
 * Tests for SmbSessionInternal interface using Mockito to exercise
 * method contracts, checked exceptions, and interactions with collaborators.
 */
@ExtendWith(MockitoExtension.class)
public class SmbSessionInternalTest {

    @Mock
    private SmbSessionInternal session;

    @Mock

   * {@code null}; it may either return a non-null value or throw an exception.
   *
   * <p>No observable state associated with this cache is modified until loading completes.
   *
   * @throws ExecutionException if a checked exception was thrown while loading the value
   * @throws UncheckedExecutionException if an unchecked exception was thrown while loading the
   *     value
   * @throws ExecutionError if an error was thrown while loading the value

            }

            // Verify that calculateMIC was never called
            verify(mockCtx, never()).calculateMIC(any());
            // Verify that supportsIntegrity was checked once
            verify(mockCtx, times(1)).supportsIntegrity();
            // Due to short-circuit evaluation, isEstablished should never be called
            // when supportsIntegrity returns false

      } catch (Exception | Error unsafeFailure) { // sneaky checked exception
        thrownUnsafeFailure = unsafeFailure;
        // Catch absolutely everything and fall through to AtomicReferenceFieldUpdaterAtomicHelper.
        try {
          helper = new AtomicReferenceFieldUpdaterAtomicHelper();
        } catch (Exception // sneaky checked exception
            | Error atomicReferenceFieldUpdaterFailure) {

      if (node.previousSibling == null) {
        // requireNonNull is safe because we checked that not *both* siblings were null.
        keyList.head = requireNonNull(node.nextSibling);
      } else {
        node.previousSibling.nextSibling = node.nextSibling;
      }

      if (node.nextSibling == null) {
        // requireNonNull is safe because we checked that not *both* siblings were null.

        verify(tree, times(1)).close(); // try-with-resources must close
        verify(handle, never()).markClosed();
        verify(tree, never()).hasCapability(anyInt()); // not checked on SMB2
    }

    // SMB1 path: without CAP_NT_SMBS it should throw SmbUnsupportedOperationException
    @Test
    @DisplayName("watch() SMB1 without capability throws unsupported")

            int start = dstIndex;
            dstIndex += writeHeaderWireFormat(dst, dstIndex);
            dstIndex += writeBytesWireFormat(dst, dstIndex);

            // Set the length field that will be checked by ServerMessageBlock2Request.encode()
            int calculatedLength = testEncodedLength;
            setLength(calculatedLength);