public void IListImplementation_Properties_ShoudReturnExpectedValues()
{
var groups = new List <IGrouping <string, int> >
{
new IntGroup("A", new[] { 1, 3, 5 }),
new IntGroup("B", new[] { 2, 4, 6 }),
};
var source = new ObservableGroupedCollection <string, int>(groups);
var readOnlyGroup = new ReadOnlyObservableGroupedCollection <string, int>(source);
var list = (IList)readOnlyGroup;
list.Count.Should().Be(2);
var group0 = (ReadOnlyObservableGroup <string, int>)list[0];
group0.Key.Should().Be("A");
group0.Should().BeEquivalentTo(new[] { 1, 3, 5 }, o => o.WithoutStrictOrdering());
var group1 = (ReadOnlyObservableGroup <string, int>)list[1];
group1.Key.Should().Be("B");
group1.Should().BeEquivalentTo(new[] { 2, 4, 6 }, o => o.WithoutStrictOrdering());
list.SyncRoot.Should().NotBeNull();
list.IsFixedSize.Should().BeTrue();
list.IsReadOnly.Should().BeTrue();
list.IsSynchronized.Should().BeFalse();
}
public void ClearSource_ShoudClear()
{
NotifyCollectionChangedEventArgs collectionChangedEventArgs = null;
var collectionChangedEventsCount = 0;
var isCountPropertyChangedEventRaised = false;
var aItemsList = new[] { 1, 2, 3 };
var bItemsList = new[] { 2, 4, 6 };
var groups = new List <IGrouping <string, int> >
{
new IntGroup("A", aItemsList),
new IntGroup("B", bItemsList),
};
var source = new ObservableGroupedCollection <string, int>(groups);
var readOnlyGroup = new ReadOnlyObservableGroupedCollection <string, int>(source);
((INotifyCollectionChanged)readOnlyGroup).CollectionChanged += (s, e) =>
{
collectionChangedEventArgs = e;
collectionChangedEventsCount++;
};
((INotifyPropertyChanged)readOnlyGroup).PropertyChanged += (s, e) => isCountPropertyChangedEventRaised = isCountPropertyChangedEventRaised || e.PropertyName == nameof(readOnlyGroup.Count);
source.Clear();
readOnlyGroup.Should().BeEmpty();
readOnlyGroup.Count.Should().Be(0);
isCountPropertyChangedEventRaised.Should().BeTrue();
collectionChangedEventArgs.Should().NotBeNull();
collectionChangedEventsCount.Should().Be(1);
IsResetEventValid(collectionChangedEventArgs).Should().BeTrue();
}
public void InsertGroupInSource_ShouldAddGroup(int insertionIndex)
{
NotifyCollectionChangedEventArgs collectionChangedEventArgs = null;
var collectionChangedEventsCount = 0;
var isCountPropertyChangedEventRaised = false;
var itemsList = new[] { 1, 2, 3 };
var source = new ObservableGroupedCollection <string, int>
{
new ObservableGroup <string, int>("Group0", new[] { 10, 20, 30 }),
new ObservableGroup <string, int>("Group1", new[] { 40, 50, 60 })
};
var readOnlyGroup = new ReadOnlyObservableGroupedCollection <string, int>(source);
((INotifyCollectionChanged)readOnlyGroup).CollectionChanged += (s, e) =>
{
collectionChangedEventArgs = e;
collectionChangedEventsCount++;
};
((INotifyPropertyChanged)readOnlyGroup).PropertyChanged += (s, e) => isCountPropertyChangedEventRaised = isCountPropertyChangedEventRaised || e.PropertyName == nameof(readOnlyGroup.Count);
source.Insert(insertionIndex, new ObservableGroup <string, int>("Add", itemsList));
readOnlyGroup.Should().HaveCount(3);
readOnlyGroup.Count.Should().Be(3);
readOnlyGroup.ElementAt(insertionIndex).Key.Should().Be("Add");
readOnlyGroup.ElementAt(insertionIndex).Should().BeEquivalentTo(itemsList, o => o.WithoutStrictOrdering());
isCountPropertyChangedEventRaised.Should().BeTrue();
collectionChangedEventArgs.Should().NotBeNull();
collectionChangedEventsCount.Should().Be(1);
IsAddEventValid(collectionChangedEventArgs, itemsList, addIndex: insertionIndex).Should().BeTrue();
}
public void RemoveGroupInSource_ShoudRemoveGroup()
{
NotifyCollectionChangedEventArgs collectionChangedEventArgs = null;
var collectionChangedEventsCount = 0;
var isCountPropertyChangedEventRaised = false;
var aItemsList = new[] { 1, 2, 3 };
var bItemsList = new[] { 2, 4, 6 };
var groups = new List <IGrouping <string, int> >
{
new IntGroup("A", aItemsList),
new IntGroup("B", bItemsList),
};
var source = new ObservableGroupedCollection <string, int>(groups);
var readOnlyGroup = new ReadOnlyObservableGroupedCollection <string, int>(source);
((INotifyCollectionChanged)readOnlyGroup).CollectionChanged += (s, e) =>
{
collectionChangedEventArgs = e;
collectionChangedEventsCount++;
};
((INotifyPropertyChanged)readOnlyGroup).PropertyChanged += (s, e) => isCountPropertyChangedEventRaised = isCountPropertyChangedEventRaised || e.PropertyName == nameof(readOnlyGroup.Count);
source.RemoveAt(1);
readOnlyGroup.Should().ContainSingle();
readOnlyGroup.Count.Should().Be(1);
readOnlyGroup.ElementAt(0).Key.Should().Be("A");
readOnlyGroup.ElementAt(0).Should().BeEquivalentTo(aItemsList, o => o.WithoutStrictOrdering());
isCountPropertyChangedEventRaised.Should().BeTrue();
collectionChangedEventArgs.Should().NotBeNull();
collectionChangedEventsCount.Should().Be(1);
IsRemoveEventValid(collectionChangedEventArgs, bItemsList, 1).Should().BeTrue();
}
public void Ctor_WithEmptySource_ShoudInitializeObject()
{
var source = new ObservableGroupedCollection <string, int>();
var readOnlyGroup = new ReadOnlyObservableGroupedCollection <string, int>(source);
readOnlyGroup.Should().BeEmpty();
readOnlyGroup.Count.Should().Be(0);
}
public void Ctor_WithListOfReadOnlyObservableGroupSource_ShoudInitializeObject()
{
var source = new List <ReadOnlyObservableGroup <string, int> >
{
new ReadOnlyObservableGroup <string, int>("A", new[] { 1, 3, 5 }),
new ReadOnlyObservableGroup <string, int>("B", new[] { 2, 4, 6 }),
};
var readOnlyGroup = new ReadOnlyObservableGroupedCollection <string, int>(source);
readOnlyGroup.Should().HaveCount(2);
readOnlyGroup.Count.Should().Be(2);
readOnlyGroup.ElementAt(0).Key.Should().Be("A");
readOnlyGroup.ElementAt(0).Should().BeEquivalentTo(new[] { 1, 3, 5 }, o => o.WithoutStrictOrdering());
readOnlyGroup.ElementAt(1).Key.Should().Be("B");
readOnlyGroup.ElementAt(1).Should().BeEquivalentTo(new[] { 2, 4, 6 }, o => o.WithoutStrictOrdering());
}
public void IListImplementation_Contains_ShoudReturnExpectedValue(int groupIndex, bool expectedResult)
{
var groups = new List <IGrouping <string, int> >
{
new IntGroup("A", new[] { 1, 3, 5 }),
new IntGroup("B", new[] { 2, 4, 6 }),
};
var source = new ObservableGroupedCollection <string, int>(groups);
var readOnlyGroup = new ReadOnlyObservableGroupedCollection <string, int>(source);
var list = (IList)readOnlyGroup;
var groupToSearch = groupIndex >= 0 ? list[groupIndex] : null;
var result = list.Contains(groupToSearch);
result.Should().Be(expectedResult);
}
public void IListImplementation_IndexOf_ShoudReturnExpectedValue(int groupIndex)
{
var groups = new List <IGrouping <string, int> >
{
new IntGroup("A", new[] { 1, 3, 5 }),
new IntGroup("B", new[] { 2, 4, 6 }),
new IntGroup("C", new[] { 7, 8, 9 }),
};
var source = new ObservableGroupedCollection <string, int>(groups);
var readOnlyGroup = new ReadOnlyObservableGroupedCollection <string, int>(source);
var list = (IList)readOnlyGroup;
var groupToSearch = groupIndex >= 0 ? list[groupIndex] : null;
var index = list.IndexOf(groupToSearch);
index.Should().Be(groupIndex);
}
public ObservableGroupPage()
{
var contacts = new[]
{
new Person {
Name = "Staff"
},
new Person {
Name = "Swan"
},
new Person {
Name = "Orchid"
},
new Person {
Name = "Flame"
},
new Person {
Name = "Arrow"
},
new Person {
Name = "Tempest"
},
new Person {
Name = "Pearl"
},
new Person {
Name = "Hydra"
},
new Person {
Name = "Lamp Post"
},
new Person {
Name = "Looking Glass"
},
};
var grouped = contacts.GroupBy(GetGroupName).OrderBy(g => g.Key);
_contactsSource = new ObservableGroupedCollection <string, Person>(grouped);
Contacts = new ReadOnlyObservableGroupedCollection <string, Person>(_contactsSource);
InitializeComponent();
}
public void IListImplementation_MutableMethods_ShoudThrow()
{
var groups = new List <IGrouping <string, int> >
{
new IntGroup("A", new[] { 1, 3, 5 }),
new IntGroup("B", new[] { 2, 4, 6 }),
};
var source = new ObservableGroupedCollection <string, int>(groups);
var readOnlyGroup = new ReadOnlyObservableGroupedCollection <string, int>(source);
var list = (IList)readOnlyGroup;
var testGroup = new ReadOnlyObservableGroup <string, int>("test", new ObservableCollection <int>());
Action add = () => list.Add(testGroup);
add.Should().Throw <NotSupportedException>();
Action clear = () => list.Clear();
clear.Should().Throw <NotSupportedException>();
Action insert = () => list.Insert(2, testGroup);
insert.Should().Throw <NotSupportedException>();
Action remove = () => list.Remove(testGroup);
remove.Should().Throw <NotSupportedException>();
Action removeAt = () => list.RemoveAt(2);
removeAt.Should().Throw <NotSupportedException>();
Action set = () => list[2] = testGroup;
set.Should().Throw <NotSupportedException>();
var array = new object[5];
Action copyTo = () => list.CopyTo(array, 0);
copyTo.Should().NotThrow();
}
public void AddGroupInSource_ShouldAddGroup(int sourceInitialItemsCount, int expectedInsertionIndex)
{
NotifyCollectionChangedEventArgs collectionChangedEventArgs = null;
var collectionChangedEventsCount = 0;
var isCountPropertyChangedEventRaised = false;
var itemsList = new[] { 1, 2, 3 };
var source = new ObservableGroupedCollection <string, int>();
for (var i = 0; i < sourceInitialItemsCount; i++)
{
source.Add(new ObservableGroup <string, int>($"group {i}", Enumerable.Empty <int>()));
}
var readOnlyGroup = new ReadOnlyObservableGroupedCollection <string, int>(source);
((INotifyCollectionChanged)readOnlyGroup).CollectionChanged += (s, e) =>
{
collectionChangedEventArgs = e;
collectionChangedEventsCount++;
};
((INotifyPropertyChanged)readOnlyGroup).PropertyChanged += (s, e) => isCountPropertyChangedEventRaised = isCountPropertyChangedEventRaised || e.PropertyName == nameof(readOnlyGroup.Count);
source.Add(new ObservableGroup <string, int>("Add", itemsList));
var expectedReadOnlyGroupCount = sourceInitialItemsCount + 1;
readOnlyGroup.Should().HaveCount(expectedReadOnlyGroupCount);
readOnlyGroup.Count.Should().Be(expectedReadOnlyGroupCount);
readOnlyGroup.Last().Key.Should().Be("Add");
readOnlyGroup.Last().Should().BeEquivalentTo(itemsList, o => o.WithoutStrictOrdering());
isCountPropertyChangedEventRaised.Should().BeTrue();
collectionChangedEventArgs.Should().NotBeNull();
collectionChangedEventsCount.Should().Be(1);
IsAddEventValid(collectionChangedEventArgs, itemsList, expectedInsertionIndex).Should().BeTrue();
}
