public void CollectionShouldBeUpdated(int section, params int[] newItems)
{
Setup();
var items = new MvxObservableCollection <MvxObservableCollection <int> >
{
new MvxObservableCollection <int>
{
1, 2
},
new MvxObservableCollection <int>
{
3
}
};
var flatIndex = GetFlatItemIndex(items, section, items[section].Count);
var flatCount = GetFlatItems(items).Count() + newItems.Length;
var sut = new FlatObservableCollection <int>(items);
items[section].AddRange(newItems);
Assert.AreEqual(flatCount, sut.Count);
Assert.AreEqual(newItems, sut.Take(flatIndex, newItems.Length));
}
public void CollectionShouldBeUpdated(int section, int start, int count)
{
Setup();
var items = new MvxObservableCollection <MvxObservableCollection <int> >
{
new MvxObservableCollection <int>
{
1, 2
},
new MvxObservableCollection <int>
{
3, 4, 5, 6
}
};
var flatCount = GetFlatItems(items).Count() - count;
var oldItems = items[section].Take(start, count).ToArray();
var sut = new FlatObservableCollection <int>(items);
items[section].RemoveRange(start, count);
Assert.AreEqual(flatCount, sut.Count);
CollectionAssert.IsNotSubsetOf(oldItems, sut);
}
public void CollectionShouldBeUpdated(int section, params int[] newItems)
{
Setup();
var items = new MvxObservableCollection <MvxObservableCollection <int> >
{
new MvxObservableCollection <int>
{
1, 2
},
new MvxObservableCollection <int>
{
3, 4, 5, 6
}
};
var sut = new FlatObservableCollection <int>(items);
items[section].ReplaceWith(newItems);
var flatItems = GetFlatItems(items).ToArray();
var flatCount = flatItems.Length;
Assert.AreEqual(flatCount, sut.Count);
Assert.AreEqual(flatItems, sut);
}
public void CollectionShouldBeUpdated(int section, int oldIndex, int newIndex)
{
Setup();
var items = new MvxObservableCollection <MvxObservableCollection <int> >
{
new MvxObservableCollection <int>
{
1, 2
},
new MvxObservableCollection <int>
{
3, 4, 5, 6
}
};
var flatOldItems = GetFlatItems(items).ToArray();
var flatOldCount = flatOldItems.Length;
var sut = new FlatObservableCollection <int>(items);
items[section].Move(oldIndex, newIndex);
var flatNewItems = GetFlatItems(items).ToArray();
var flatNewCount = flatNewItems.Length;
Assert.AreEqual(flatOldCount, sut.Count);
Assert.AreEqual(flatNewCount, sut.Count);
Assert.AreEqual(flatNewItems, sut);
}
public void AddEventShouldBeRaised(int section, params int[] newItems)
{
Setup();
var events = new List <NotifyCollectionChangedEventArgs>();
var items = new MvxObservableCollection <MvxObservableCollection <int> >
{
new MvxObservableCollection <int>
{
1, 2
},
new MvxObservableCollection <int>
{
3
}
};
var flatIndex = GetFlatItemIndex(items, section, items[section].Count);
var sut = new FlatObservableCollection <int>(items);
sut.CollectionChanged += (_, args) => events.Add(args);
items[section].AddRange(newItems);
Assert.AreEqual(1, events.Count);
Assert.AreEqual(NotifyCollectionChangedAction.Add, events[0].Action);
Assert.AreEqual(flatIndex, events[0].NewStartingIndex);
Assert.AreEqual(newItems, events[0].NewItems);
}
public void ResetEventShouldBeRaised(int section, params int[] newItems)
{
Setup();
var events = new List <NotifyCollectionChangedEventArgs>();
var items = new MvxObservableCollection <MvxObservableCollection <int> >
{
new MvxObservableCollection <int>
{
1, 2
},
new MvxObservableCollection <int>
{
3, 4, 5, 6
}
};
var sut = new FlatObservableCollection <int>(items);
sut.CollectionChanged += (_, args) => events.Add(args);
items[section].ReplaceWith(newItems);
Assert.AreEqual(1, events.Count);
Assert.AreEqual(NotifyCollectionChangedAction.Reset, events[0].Action);
}
public void RemoveEventShouldBeRaised(int section, int start, int count)
{
Setup();
var events = new List <NotifyCollectionChangedEventArgs>();
var items = new MvxObservableCollection <MvxObservableCollection <int> >
{
new MvxObservableCollection <int>
{
1, 2
},
new MvxObservableCollection <int>
{
3, 4, 5, 6
}
};
var flatIndex = GetFlatItemIndex(items, section, start);
var oldItems = items[section].Take(start, count).ToArray();
var sut = new FlatObservableCollection <int>(items);
sut.CollectionChanged += (_, args) => events.Add(args);
items[section].RemoveRange(start, count);
Assert.AreEqual(1, events.Count);
Assert.AreEqual(NotifyCollectionChangedAction.Remove, events[0].Action);
Assert.AreEqual(flatIndex, events[0].OldStartingIndex);
Assert.AreEqual(oldItems, events[0].OldItems);
}
public void InitialItemsShouldBeInProvidedOrder()
{
var items = new[] { new[] { 1, 2 }, new[] { 3 } };
var sut = new FlatObservableCollection <int>(items);
Assert.AreEqual(0, sut.IndexOf(1));
Assert.AreEqual(1, sut.IndexOf(2));
Assert.AreEqual(2, sut.IndexOf(3));
}
public void ShouldContainInitialItems()
{
var items = new[] { new[] { 1, 2 }, new[] { 3 } };
var sut = new FlatObservableCollection <int>(items);
Assert.AreEqual(3, sut.Count);
Assert.IsTrue(sut.Contains(1));
Assert.IsTrue(sut.Contains(2));
Assert.IsTrue(sut.Contains(3));
}
public void CollectionShouldBeUpdated(params int[][] newItems)
{
Setup();
var items = new MvxObservableCollection <int[]>(new[] { new[] { 1, 2 }, new[] { 3 }, new[] { 4, 5, 6 } });
var flatItems = GetFlatItems(newItems).ToArray();
var flatCount = flatItems.Length;
var sut = new FlatObservableCollection <int>(items);
items.ReplaceWith(newItems);
Assert.AreEqual(flatCount, sut.Count);
Assert.AreEqual(flatItems, sut);
}
public void CollectionShouldBeUpdated(int index, int count)
{
Setup();
var items = new MvxObservableCollection <int[]>(new[] { new[] { 1, 2 }, new[] { 3 }, new[] { 4, 5, 6 } });
var flatItems = GetFlatItems(items.Take(index, count)).ToArray();
var flatCount = GetFlatItems(items).Count() - flatItems.Length;
var sut = new FlatObservableCollection <int>(items);
items.RemoveRange(index, count);
Assert.AreEqual(flatCount, sut.Count);
CollectionAssert.IsNotSubsetOf(flatItems, sut);
}
public void CollectionShouldBeUpdated(params int[][] newItems)
{
Setup();
var items = new MvxObservableCollection <int[]>(new[] { new[] { 1, 2 }, new[] { 3 } });
var flatItems = GetFlatItems(newItems);
var flatCount = GetFlatItems(items).Count() + flatItems.Count();
var sut = new FlatObservableCollection <int>(items);
items.AddRange(newItems);
Assert.AreEqual(flatCount, sut.Count);
Assert.AreEqual(flatItems, sut.TakeLast(newItems.Length));
}
public void CollectionShouldBeUpdated(int index, int[] newItem)
{
Setup();
var items = new ObservableCollection <int[]>(new[] { new[] { 1, 2 }, new[] { 3 } });
var flatIndex = GetFlatSectionIndex(items, index);
var flatItems = GetFlatItems(new[] { newItem });
var flatCount = GetFlatItems(items).Count() + flatItems.Count();
var sut = new FlatObservableCollection <int>(items);
items.Insert(index, newItem);
Assert.AreEqual(flatCount, sut.Count);
Assert.AreEqual(flatItems, sut.Take(flatIndex, newItem.Length));
}
public void EventShouldNotBeRaised()
{
Setup();
var events = new List <NotifyCollectionChangedEventArgs>();
var items = new MvxObservableCollection <int[]>(new[] { new[] { 1, 2 }, new[] { 3 } });
var sut = new FlatObservableCollection <int>(items);
sut.CollectionChanged += (_, args) => events.Add(args);
sut.Dispose();
items.Add(new[] { 1 });
items.Remove(new[] { 1 });
Assert.AreEqual(0, events.Count);
}
public void RemoveEventShouldBeRaised(int index, int count)
{
Setup();
var events = new List <NotifyCollectionChangedEventArgs>();
var items = new MvxObservableCollection <int[]>(new[] { new[] { 1, 2 }, new[] { 3 }, new[] { 4, 5, 6 } });
var flatIndex = GetFlatSectionIndex(items, index);
var flatItems = GetFlatItems(items.Take(index, count));
var sut = new FlatObservableCollection <int>(items);
sut.CollectionChanged += (_, args) => events.Add(args);
items.RemoveRange(index, count);
Assert.AreEqual(1, events.Count);
Assert.AreEqual(NotifyCollectionChangedAction.Remove, events[0].Action);
Assert.AreEqual(flatIndex, events[0].OldStartingIndex);
Assert.AreEqual(flatItems, events[0].OldItems);
}
public void AddEventShouldBeRaised(int index, int[] newItem)
{
Setup();
var events = new List <NotifyCollectionChangedEventArgs>();
var items = new ObservableCollection <int[]>(new[] { new[] { 1, 2 }, new[] { 3 } });
var flatIndex = GetFlatSectionIndex(items, index);
var flatItems = GetFlatItems(new[] { newItem });
var sut = new FlatObservableCollection <int>(items);
sut.CollectionChanged += (_, args) => events.Add(args);
items.Insert(index, newItem);
Assert.AreEqual(1, events.Count);
Assert.AreEqual(NotifyCollectionChangedAction.Add, events[0].Action);
Assert.AreEqual(flatIndex, events[0].NewStartingIndex);
Assert.AreEqual(flatItems, events[0].NewItems);
}
public void OutputCollectionShouldBeCorrect()
{
Setup();
var items = new MvxObservableCollection <MvxObservableCollection <int> >
{
new MvxObservableCollection <int> {
1, 2
}
};
var sut = new FlatObservableCollection <int>(items);
items.Add(new MvxObservableCollection <int> {
3, 4, 5, 6
});
items[0].ReplaceWith(new[] { 1, 2, 0 });
items[1].Add(8);
items[0].Move(2, 0);
items[1][4] = 7;
Assert.AreEqual(Enumerable.Range(0, 8), sut);
}
