public void InsertElementTest()
{
var observableCollection = new ObservableCollection <double>(new List <double>()
{
1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7
});
IReadOnlyObservableCollection <double> source = new ReadOnlyObservableList <double>(observableCollection);
DynamicTransformingReadOnlyObservableList <double, int> trool = new DynamicTransformingReadOnlyObservableList <double, int>(source, Selector);
var copy = new TransformingReadOnlyObservableList <int, int>(trool, x => x);
int pos = 6;
observableCollection.Insert(pos, 8.8);
Assert.AreEqual(trool[pos], 8);
Assert.AreEqual(trool[0], 1);
Assert.AreEqual(trool[1], 2);
Assert.AreEqual(trool[2], 3);
Assert.AreEqual(trool[3], 4);
Assert.AreEqual(trool[4], 5);
Assert.AreEqual(trool[5], 6);
Assert.AreEqual(trool[6], 8);
Assert.AreEqual(trool[7], 7);
Assert.IsTrue(trool.SequenceEqual(copy));
}
public void IteratorTest()
{
var observableCollection = new ObservableCollection <double>(new List <double>()
{
1.1, 2.2, 3.3, 4.4, 5.5
});
IReadOnlyObservableCollection <double> source = new ReadOnlyObservableList <double>(observableCollection);
DynamicTransformingReadOnlyObservableList <double, int> trool = new DynamicTransformingReadOnlyObservableList <double, int>(source, Selector);
Assert.AreEqual(trool[0], 1);
Assert.AreEqual(trool[1], 2);
Assert.AreEqual(trool[2], 3);
Assert.AreEqual(trool[3], 4);
Assert.AreEqual(trool[4], 5);
}
public void ClearTest()
{
var observableCollection = new ObservableCollection <double>(new List <double>()
{
1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7
});
IReadOnlyObservableCollection <double> source = new ReadOnlyObservableList <double>(observableCollection);
DynamicTransformingReadOnlyObservableList <double, int> trool = new DynamicTransformingReadOnlyObservableList <double, int>(source, Selector);
var copy = new TransformingReadOnlyObservableList <int, int>(trool, x => x);
observableCollection.Clear();
Assert.AreEqual(trool.Count, 0);
Assert.IsTrue(trool.SequenceEqual(copy));
}
public void MoveElementTest()
{
var observableCollection = new ObservableCollection <double>(new List <double>()
{
1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7
});
IReadOnlyObservableCollection <double> source = new ReadOnlyObservableList <double>(observableCollection);
DynamicTransformingReadOnlyObservableList <double, int> trool = new DynamicTransformingReadOnlyObservableList <double, int>(source, Selector);
var copy = new TransformingReadOnlyObservableList <int, int>(trool, x => x);
Assert.IsTrue(trool.Count() == 7);
int posOld = 0;
int posNew = 4;
observableCollection.Move(posOld, posNew);
Assert.AreEqual(trool[posNew], 1);
Assert.IsTrue(trool.SequenceEqual(copy));
}
public void SetOperationsTest()
{
var values = new[] { 15, 14, 89, 56, 8, 68, 17, 39, 31, 93, 78, 80, 87, 85, 57, 20, 6, 1 };
var people = new ObservableSet <Observable>(values.Select(x => new Observable(x)).ToList());
var transfList = new DynamicTransformingReadOnlyObservableList <Observable, int>(people,
x => x.Subject);
var copy = new TransformingReadOnlyObservableList <int, int>(transfList, x => x);
Assert.AreEqual(people.Count, transfList.Count);
Assert.IsTrue(new HashSet <int>(people.Select(x => x.Prop)).SetEquals(transfList));
Assert.IsTrue(new HashSet <int>(people.Select(x => x.Prop)).SetEquals(copy));
people.Add(new Observable(19));
people.First().Prop = 82;
people.Remove(people.Last());
Assert.AreEqual(people.Count, transfList.Count);
Assert.IsTrue(new HashSet <int>(people.Select(x => x.Prop)).SetEquals(transfList));
Assert.IsTrue(new HashSet <int>(people.Select(x => x.Prop)).SetEquals(copy));
}
public void ReplaceElementTest()
{
var observableCollection = new ObservableCollection <double>(new List <double>()
{
1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7
});
IReadOnlyObservableCollection <double> source = new ReadOnlyObservableList <double>(observableCollection);
DynamicTransformingReadOnlyObservableList <double, int> trool = new DynamicTransformingReadOnlyObservableList <double, int>(source, Selector, Delete);
var copy = new TransformingReadOnlyObservableList <int, int>(trool, x => x);
deleteItems.Clear();
Assert.IsTrue(trool.Count() == 7);
int pos = 0;
observableCollection[pos] = 9.9;
Assert.AreEqual(trool[pos], 9);
Assert.AreEqual(deleteItems.Count, 1);
Assert.AreEqual(deleteItems[0], 1);
Assert.IsTrue(trool.SequenceEqual(copy));
}
public void OnRemoveElementTest2()
{
var observableCollection = new ObservableCollection <double>(new List <double>()
{
1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7
});
IReadOnlyObservableCollection <double> source = new ReadOnlyObservableList <double>(observableCollection);
DynamicTransformingReadOnlyObservableList <double, int> trool = new DynamicTransformingReadOnlyObservableList <double, int>(source, Selector, Delete);
var copy = new TransformingReadOnlyObservableList <int, int>(trool, x => x);
Assert.IsTrue(observableCollection.Remove(2.2));
Assert.AreEqual(trool.Count, 6);
Assert.AreEqual(deleteItems.Count, 1);
Assert.AreEqual(deleteItems[0], 2);
observableCollection.RemoveAt(3);
Assert.AreEqual(trool.Count, 5);
Assert.AreEqual(deleteItems.Count, 2);
Assert.AreEqual(deleteItems[1], 5);
Assert.AreEqual(trool[1], 3);
Assert.IsTrue(trool.SequenceEqual(copy));
}
public void TriggerTest()
{
var values = new[] { 15, 14, 89, 56, 8, 68, 17, 39, 31, 93, 78, 80, 87, 85, 57, 20, 6, 1 };
var indexes = new[] { 8, 13, 0, 2 };
var people = values.Take(values.Length - indexes.Length).Select(x => new Observable(x)).ToList();
var transfList = new DynamicTransformingReadOnlyObservableList <Observable, int>(people.ListAsObservable(),
x => x.Subject);
var copy = new TransformingReadOnlyObservableList <int, int>(transfList, x => x);
Assert.AreEqual(people.Count, transfList.Count);
Assert.IsTrue(people.Select(x => x.Prop).SequenceEqual(transfList));
Assert.IsTrue(people.Select(x => x.Prop).SequenceEqual(copy));
for (int i = 0; i < indexes.Length; i++)
{
var person = people[indexes[i]];
person.Prop = values[values.Length - i - 1];
}
Assert.AreEqual(people.Count, transfList.Count);
Assert.IsTrue(people.Select(x => x.Prop).SequenceEqual(transfList));
Assert.IsTrue(people.Select(x => x.Prop).SequenceEqual(copy));
}
