Lines Matching defs:observer
237 TestObserver observer;
239 undo_service.undo_manager_.AddObserver(&observer);
240 EXPECT_EQ(0, observer.state_change_count());
243 EXPECT_EQ(1, observer.state_change_count());
249 EXPECT_EQ(2, observer.state_change_count());
251 // There should be at least 1 observer callback for undo.
253 int callback_count_after_undo = observer.state_change_count();
256 // There should be at least 1 observer callback for redo.
258 int callback_count_after_redo = observer.state_change_count();
261 undo_service.undo_manager_.RemoveObserver(&observer);
263 EXPECT_EQ(callback_count_after_redo, observer.state_change_count());