public void OnMasterCollectionChanged_Should_Maintain_State_After_Master_Remove_With_Index(int index)
{
// Arrange
List <Int32> master = new List <Int32>()
{
1, 2, 3
};
ISlaveObservableCollection <Int32> slave = CreateInstance(() => master);
NotifyCollectionChangedEventArgs args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, master[index], index);
// Act
master.RemoveAt(index);
slave.OnMasterCollectionChanged(args);
// Assert
Assert.Equal(master, slave);
}
public void OnMasterCollectionChanged_Should_Maintain_State_After_Master_Move(int oldIndex, int newIndex)
{
// Arrange
ObservableCollection <Int32> master = new ObservableCollection <Int32>()
{
1, 2, 3
};
ISlaveObservableCollection <Int32> slave = CreateInstance(() => master);
NotifyCollectionChangedEventArgs args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, master[oldIndex], newIndex, oldIndex);
// Act
master.Move(oldIndex, newIndex);
slave.OnMasterCollectionChanged(args);
// Assert
Assert.Equal(master, slave);
}
public void OnMasterCollectionChanged_Should_Maintain_State_After_Master_Add_Without_Index()
{
// Arrange
List <Int32> master = new List <Int32> {
1, 2
};
ISlaveObservableCollection <Int32> slave = CreateInstance(() => master);
int newItem = 7;
NotifyCollectionChangedEventArgs args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, newItem);
// Act
master.Add(newItem);
slave.OnMasterCollectionChanged(args);
// Assert
Assert.Equal(master, slave);
}
public void OnMasterCollectionChanged_Should_Maintain_State_After_Master_Reset()
{
// Arrange
List <Int32> master = new List <Int32>()
{
1, 2, 3
};
ISlaveObservableCollection <Int32> slave = CreateInstance(() => master);
NotifyCollectionChangedEventArgs args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset);
// Act
master.Add(7);
master[0] = 5;
slave.OnMasterCollectionChanged(args);
// Assert
Assert.Equal(master, slave);
}
public void OnMasterCollectionChanged_Should_Maintain_State_After_Master_Replace_Without_Index(int value)
{
// Arrange
List <Int32> master = new List <Int32>()
{
1, 2, 3
};
Int32 newValue = 7;
ISlaveObservableCollection <Int32> slave = CreateInstance(() => master);
NotifyCollectionChangedEventArgs args = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, newValue, (object)value);
// Act
master[master.IndexOf(value)] = newValue;
slave.OnMasterCollectionChanged(args);
// Assert
Assert.Equal(master, slave);
}
