public void JoinComparer_ObservableInnerResult_Update()
{
var update = false;
var item = new ObservablePair <int, string>(1, "Foo");
var source2 = new List <Pair <int, string> >()
{
item
};
var source1 = CreateFilterSource(-1);
var test = source1.WithUpdates().Join(source2,
filter => filter.Item1,
content => content.Item1,
(filter, content) => filter.Item2 ? content.Item2 : null,
new AbsoluteValueComparer());
test.CollectionChanged += (o, e) =>
{
Assert.AreEqual(1, e.OldItems.Count);
Assert.AreEqual(1, e.NewItems.Count);
Assert.AreEqual("Foo", e.OldItems[0]);
Assert.AreEqual("Bar", e.NewItems[0]);
update = true;
};
Assert.AreEqual(1, test.Count());
Assert.IsTrue(test.Contains("Foo"));
Assert.IsFalse(update);
item.Item2 = "Bar";
Assert.IsTrue(update);
Assert.AreEqual(1, test.Count());
Assert.IsTrue(test.Contains("Bar"));
}
public void Join_ObservableInnerKey_Update()
{
var update = false;
var item = new ObservablePair <int, string>(3, "Foo");
var source2 = new List <Pair <int, string> >()
{
item
};
var source1 = CreateFilterSource();
var test = source1.WithUpdates().Join(source2,
filter => filter.Item1,
content => content.Item1,
(filter, content) => filter.Item2 ? content.Item2 : null);
test.CollectionChanged += (o, e) =>
{
Assert.AreEqual(1, e.OldItems.Count);
Assert.AreEqual(1, e.NewItems.Count);
Assert.IsNull(e.OldItems[0]);
Assert.AreEqual("Foo", e.NewItems[0]);
update = true;
};
Assert.AreEqual(1, test.Count());
Assert.IsTrue(test.Contains(null));
Assert.IsFalse(update);
item.Item1 = 1;
Assert.IsTrue(update);
Assert.AreEqual(1, test.Count());
Assert.IsTrue(test.Contains("Foo"));
}
public void JoinComparer_ObservableInnerKey_Update()
{
var update = false;
var item = new ObservablePair<int, string>(3, "Foo");
var source2 = new List<Pair<int, string>>() { item };
var source1 = CreateFilterSource(-1);
var test = source1.WithUpdates().Join(source2,
filter => filter.Item1,
content => content.Item1,
(filter, content) => filter.Item2 ? content.Item2 : null,
new AbsoluteValueComparer());
test.CollectionChanged += (o, e) =>
{
Assert.AreEqual(1, e.OldItems.Count);
Assert.AreEqual(1, e.NewItems.Count);
Assert.IsNull(e.OldItems[0]);
Assert.AreEqual("Foo", e.NewItems[0]);
update = true;
};
Assert.AreEqual(1, test.Count());
Assert.IsTrue(test.Contains(null));
Assert.IsFalse(update);
item.Item1 = 1;
Assert.IsTrue(update);
Assert.AreEqual(1, test.Count());
Assert.IsTrue(test.Contains("Foo"));
}
public void Join_ObservableInnerResult_Update()
{
var update = false;
var item = new ObservablePair<int, string>(1, "Foo");
var source2 = new List<Pair<int, string>>() { item };
var source1 = CreateFilterSource();
var test = source1.WithUpdates().Join(source2,
filter => filter.Item1,
content => content.Item1,
(filter, content) => filter.Item2 ? content.Item2 : null);
test.CollectionChanged += (o, e) =>
{
Assert.AreEqual(1, e.OldItems.Count);
Assert.AreEqual(1, e.NewItems.Count);
Assert.AreEqual("Foo", e.OldItems[0]);
Assert.AreEqual("Bar", e.NewItems[0]);
update = true;
};
Assert.AreEqual(1, test.Count());
Assert.IsTrue(test.Contains("Foo"));
Assert.IsFalse(update);
item.Item2 = "Bar";
Assert.IsTrue(update);
Assert.AreEqual(1, test.Count());
Assert.IsTrue(test.Contains("Bar"));
}
