assertDoesNotThrow(() -> {
            mockCredentials.unwrap(Credentials.class);
            mockCredentials.getUserDomain();
            mockCredentials.isAnonymous();
            mockCredentials.isGuest();
        });
    }

    @Test
    @DisplayName("Should unwrap to correct type")
    void testUnwrap() {
        // Given
        when(mockCredentials.unwrap(Credentials.class)).thenReturn(mockCredentials);

  @Override
  public ImmutableMap<R, Map<C, V>> rowMap() {
    // Casts without copying.
    return ImmutableMap.copyOf(rowMap);
  }

  @Override
  public int size() {
    return cellRowIndices.length;
  }

  @Override
  Cell<R, C, V> getCell(int index) {
    int rowIndex = cellRowIndices[index];
    Entry<R, ImmutableMap<C, V>> rowEntry = rowMap.entrySet().asList().get(rowIndex);

        return delegate.getContext();
    }

    @Override
    @SuppressWarnings("unchecked")
    public <T extends SmbTransport> T unwrap(Class<T> type) {
        if (type.isAssignableFrom(this.getClass())) {
            return (T) this;
        }
        return delegate.unwrap(type);
    }

    @Override
    public void close() {
        try {
            disconnect(true, false);

      cellRowIndices[i] = rowIndex;
      cellColumnIndices[i] = columnIndex;
    }
    this.cellRowIndices = cellRowIndices;
    this.cellColumnIndices = cellColumnIndices;
    this.rowMap = new RowMap();
    this.columnMap = new ColumnMap();
  }

  /** An immutable map implementation backed by an indexed nullable array. */

     * Unwraps this session to the specified type, allowing access to implementation-specific functionality.
     *
     * @param <T> the type to unwrap to
     * @param type the class of the type to unwrap to
     * @return session instance with the given type
     */
    <T extends SmbSession> T unwrap(Class<T> type);

    /**
     * Returns the CIFS context that this session is attached to.
     *

   * returns {@code type} itself. Idempotent.
   *
   * <pre>
   *     unwrap(Integer.class) == int.class
   *     unwrap(int.class) == int.class
   *     unwrap(String.class) == String.class
   * </pre>
   */
  public static <T> Class<T> unwrap(Class<T> type) {
    checkNotNull(type);

    // cast is safe: long.class and Long.class are both of type Class<Long>

		t.Fatalf("reading response body failed: %v", err)
	}
	if string(body) != "hello" {
		t.Fatalf("response body incorrect: %v", string(body))
	}

	// Check that Unwrap works
	if trw.Unwrap() != rw {
		t.Fatalf("Unwrap returned wrong result: %v", trw.Unwrap())
	}
}

func TestHeadersAlreadyWritten(t *testing.T) {
	rw := httptest.NewRecorder()
	trw := &trackingResponseWriter{ResponseWriter: rw}

  @Override
  public boolean containsRow(@Nullable Object rowKey) {
    return Maps.safeContainsKey(rowMap(), rowKey);
  }

  @Override
  public boolean containsColumn(@Nullable Object columnKey) {
    return Maps.safeContainsKey(columnMap(), columnKey);
  }

  @Override
  public Set<R> rowKeySet() {
    return rowMap().keySet();
  }

  @Override
  public Set<C> columnKeySet() {
    return columnMap().keySet();

        checkState(newMap instanceof MapMakerInternalMap);
        newMap.putAll(map);
        return newMap;
      }
    },
    MapMakerWeakKeysStrongValues {
      @Override
      public <K extends Comparable<K>, V> Map<K, V> create(Map<K, V> map) {
        ConcurrentMap<K, V> newMap = new MapMaker().weakKeys().makeMap();

            assertSame(data, data.next());
        }
    }

    @Nested
    @DisplayName("Unwrap Tests")
    class UnwrapTests {

        @Test
        @DisplayName("Should unwrap to DfsReferralData interface")
        void testUnwrapToDfsReferralData() {
            DfsReferralData unwrapped = referralData.unwrap(DfsReferralData.class);
            assertSame(referralData, unwrapped);
        }

        @Test