### Question:
ZoomLevelSelectorView extends Composite implements ZoomLevelSelector.View { @PreDestroy public void destroy() { clear(); items.destroyAll(); presenter = null; }  @Override void init(final ZoomLevelSelector presenter); @Override void add(final String text,
                    final Command onClick); @Override void clear(); void setSelectedValue(String selectedItem); @Override void setText(String text); @Override void setEnabled(boolean enabled); @Override void dropUp(); @PreDestroy void destroy();  }### Answer:
@Test public void testDestroy() { tested.destroy(); verify(items, times(1)).destroyAll(); }