public void TestIndex2()
{
WeakObservableCollection<Char> keys = new WeakObservableCollection<Char> { 'a', 'b', 'c', 'd' };
WeakObservableCollection<String> tc = new WeakObservableCollection<String> { "aa", "ab", "bc" };
var ix = tc.ToReadOnly().ToIndex(keys.ToReadOnly(), x => x[0]);
Assert.AreEqual(4, ix.Count);
TestTools.CompareCollectionsContent(ix['a'], new string[] { "ab", "aa" });
TestTools.CompareCollectionsContent(ix['b'], new string[] { "bc" });
var ac = ix['a'];
Assert.AreEqual(2, ac.Count);
tc.Add("ce");
Assert.AreEqual(4, ix.Count);
tc.Remove("aa");
Assert.AreEqual(4, ix.Count);
Assert.AreEqual(1, ac.Count);
tc.Remove("ab");
Assert.AreEqual(4, ix.Count);
Assert.AreEqual(0, ac.Count);
keys.Remove('d');
Assert.AreEqual(3, ix.Count);
tc.Add("as");
Assert.AreEqual(1, ac.Count);
}
public void TestIndex2()
{
WeakObservableCollection <Char> keys = new WeakObservableCollection <Char> {
'a', 'b', 'c', 'd'
};
WeakObservableCollection <String> tc = new WeakObservableCollection <String> {
"aa", "ab", "bc"
};
var ix = tc.ToReadOnly().ToIndex(keys.ToReadOnly(), x => x[0]);
Assert.AreEqual(4, ix.Count);
TestTools.CompareCollectionsContent(ix['a'], new string[] { "ab", "aa" });
TestTools.CompareCollectionsContent(ix['b'], new string[] { "bc" });
var ac = ix['a'];
Assert.AreEqual(2, ac.Count);
tc.Add("ce");
Assert.AreEqual(4, ix.Count);
tc.Remove("aa");
Assert.AreEqual(4, ix.Count);
Assert.AreEqual(1, ac.Count);
tc.Remove("ab");
Assert.AreEqual(4, ix.Count);
Assert.AreEqual(0, ac.Count);
keys.Remove('d');
Assert.AreEqual(3, ix.Count);
tc.Add("as");
Assert.AreEqual(1, ac.Count);
}
public void test_ConvertCollection()
{
var t1 = new IInt(11);
var t2 = new IInt(33);
var src = new WeakObservableCollection <IInt>()
{
t1, t2
};
var target = src.ToReadOnly().Convert(x => x.ToString(), false);
Assert.AreEqual(2, target.Count);
src.Clear();
for (int i = 0; i < 2; i++)
{
src.Add(t1);
Assert.AreEqual(src.Count, target.Count);
Assert.AreEqual(t1.ToString(), target[0]);
src.Add(t2);
Assert.AreEqual(src.Count, target.Count);
Assert.AreEqual(t2.ToString(), target.Single(x => x == t2.ToString()));
src.Remove(t1);
Assert.AreEqual(t2.ToString(), target.Single());
src.Remove(t2);
Assert.IsFalse(target.Any());
Assert.AreEqual(0, target.Count);
}
var target1 = target.Convert(x => x.Length.ToString(), true);
src.Add(t1);
src.Add(t2);
Assert.AreEqual(2, target.Count);
Assert.AreEqual(1, target1.Count);
src.Remove(t1);
Assert.AreEqual(1, target.Count);
Assert.AreEqual(1, target1.Count);
src.Clear();
Assert.AreEqual(0, target.Count);
Assert.AreEqual(0, target1.Count);
}
public void test_WrapperCollection()
{
NotifyCollectionChangedAction lastAction = NotifyCollectionChangedAction.Reset;
object lastAdd = null;
object lastRemove = null;
int changeCounter = 0;
EventReceiver onAdd = new EventReceiver((x, y) => lastAdd = ((ObjectEventArgs)y).Arg),
onRemove = new EventReceiver((x, y) => lastRemove = ((ObjectEventArgs)y).Arg),
onChange = new EventReceiver((x, y) => ++ changeCounter);
var targetColl = new WeakObservableCollection <string>();
var wcoll = new WrapperCollection <string>(targetColl);
wcoll.Added.AddReceiver(onAdd);
wcoll.Removed.AddReceiver(onRemove);
wcoll.Changed.AddReceiver(onChange);
wcoll.CollectionChanged += (x, y) => { lastAction = y.Action; };
string t1 = "aaa", t2 = "bbb";
CompareWrap(targetColl, wcoll, t1, t2);
Assert.AreEqual(0, changeCounter);
targetColl.Add(t1);
CompareWrap(targetColl, wcoll, t1, t2);
Assert.AreEqual(1, changeCounter);
Assert.AreEqual(t1, lastAdd);
Assert.AreEqual(NotifyCollectionChangedAction.Add, lastAction);
targetColl.Add(t2);
CompareWrap(targetColl, wcoll, t1, t2);
Assert.AreEqual(2, changeCounter);
Assert.AreEqual(t2, lastAdd);
Assert.AreEqual(NotifyCollectionChangedAction.Add, lastAction);
targetColl.Remove(t1);
CompareWrap(targetColl, wcoll, t1, t2);
Assert.AreEqual(3, changeCounter);
Assert.AreEqual(t1, lastRemove);
Assert.AreEqual(NotifyCollectionChangedAction.Remove, lastAction);
Assert.AreEqual(targetColl.Count, wcoll.Count);
}
public void TestIndex1()
{
WeakObservableCollection<String> tc = new WeakObservableCollection<String> { "aa", "ab", "bc" };
var ix = tc.ToReadOnly().ToIndex(x => x[0]);
Assert.AreEqual(2, ix.Count);
TestTools.CompareCollectionsContent(ix['a'], new string[] { "ab", "aa" });
TestTools.CompareCollectionsContent(ix['b'], new string[] { "bc" });
tc.Add("ce");
Assert.AreEqual(3, ix.Count);
tc.Remove("aa");
Assert.AreEqual(3, ix.Count);
tc.Remove("ab");
Assert.AreEqual(2, ix.Count);
}
public void test_ConvertCollection()
{
var t1 = new IInt(11);
var t2 = new IInt(33);
var src = new WeakObservableCollection<IInt>() { t1, t2};
var target = src.ToReadOnly().Convert(x => x.ToString(), false);
Assert.AreEqual(2, target.Count);
src.Clear();
for (int i = 0; i < 2; i++)
{
src.Add(t1);
Assert.AreEqual(src.Count, target.Count);
Assert.AreEqual(t1.ToString(), target[0]);
src.Add(t2);
Assert.AreEqual(src.Count, target.Count);
Assert.AreEqual(t2.ToString(), target.Single(x => x == t2.ToString()));
src.Remove(t1);
Assert.AreEqual(t2.ToString(), target.Single());
src.Remove(t2);
Assert.IsFalse(target.Any());
Assert.AreEqual(0, target.Count);
}
var target1 = target.Convert(x => x.Length.ToString(), true);
src.Add(t1);
src.Add(t2);
Assert.AreEqual(2, target.Count);
Assert.AreEqual(1, target1.Count);
src.Remove(t1);
Assert.AreEqual(1, target.Count);
Assert.AreEqual(1, target1.Count);
src.Clear();
Assert.AreEqual(0, target.Count);
Assert.AreEqual(0, target1.Count);
}
public void TestIndex1()
{
WeakObservableCollection <String> tc = new WeakObservableCollection <String> {
"aa", "ab", "bc"
};
var ix = tc.ToReadOnly().ToIndex(x => x[0]);
Assert.AreEqual(2, ix.Count);
TestTools.CompareCollectionsContent(ix['a'], new string[] { "ab", "aa" });
TestTools.CompareCollectionsContent(ix['b'], new string[] { "bc" });
tc.Add("ce");
Assert.AreEqual(3, ix.Count);
tc.Remove("aa");
Assert.AreEqual(3, ix.Count);
tc.Remove("ab");
Assert.AreEqual(2, ix.Count);
}
public void test_UnionCollectionDistinct()
{
WeakObservableCollection <string> src1 = new WeakObservableCollection <string>();
WeakObservableCollection <string> src2 = new WeakObservableCollection <string>();
WeakObservableCollection <IReadOnlyCollection <string> > collections =
new WeakObservableCollection <IReadOnlyCollection <string> > {
src1.ToReadOnly(),
src2.ToReadOnly()
};
var union = collections.ToReadOnly().UnionAll(x => x);
Assert.AreEqual(0, union.Count);
src1.Add("a");
src2.Add("a");
Assert.AreEqual(1, union.Count);
src2.Add("b");
src2.Remove("a");
Assert.AreEqual(2, union.Count);
src1.Remove("a");
Assert.AreEqual(1, union.Count);
}
public void test_FilterCollection()
{
WeakObservableCollection <FilterItem> items = new WeakObservableCollection <FilterItem>()
{
new FilterItem()
{
Property = false
}
};
var manualTrigger = new WeakEvent(items);
var filtered = items.ToAutoProcessed().FilteredBy(x => x.Property)
.UpdateOn(x => x.PropertyTrigger)
.UpdateOn(x => null);
var filteredM = items.ToAutoProcessed().FilteredBy(x => x.Property).UpdateOn(manualTrigger);
Assert.AreEqual(0, filtered.Count);
items[0].Property = true;
Assert.AreEqual(1, filtered.Count);
Assert.AreEqual(0, filteredM.Count);
manualTrigger.Raise();
Assert.AreEqual(filtered.Count, filteredM.Count);
items[0].Property = false;
Assert.AreEqual(0, filtered.Count);
items.Add(new FilterItem()
{
Property = true
});
Assert.AreEqual(1, filtered.Count);
items.Add(new FilterItem()
{
Property = false
});
Assert.AreEqual(1, filtered.Count);
items.Add(new FilterItem()
{
Property = true
});
Assert.AreEqual(2, filtered.Count);
items.Remove(items.First(x => x.Property));
Assert.AreEqual(1, filtered.Count);
Assert.AreSame(items.Single(x => x.Property), filtered[0]);
items.Remove(items.First(x => !x.Property));
Assert.AreEqual(1, filtered.Count);
items.Clear();
Assert.AreEqual(0, filtered.Count);
//тестируем работу сортировки
var rawColl = new WeakObservableCollection <string>();
//сортируем по первым символам
var sorted = rawColl.ToAutoProcessed().SortedOn((x, y) => x.Substring(0, 1).CompareTo(y.Substring(0, 1)));
rawColl.Add("5ф");
rawColl.Add("2ф");
rawColl.Add("4ф");
rawColl.Add("3ф");
rawColl.Add("1с");
rawColl.Add("5с");
rawColl.Add("2с");
rawColl.Add("4с");
rawColl.Add("3с");
rawColl.Add("1с");
for (int i = 0; i < 5; i++)
{
Assert.AreEqual((i + 1).ToString(), sorted[2 * i].Substring(0, 1));
Assert.AreEqual((i + 1).ToString(), sorted[2 * i + 1].Substring(0, 1));
}
}
public void test_UnionCollection()
{
string t11 = "11", t12 = "12", t21 = "21", t22 = "22";
WeakObservableCollection <string> src1 = new WeakObservableCollection <string>()
{
t11, t12
};
WeakObservableCollection <string> src2 = new WeakObservableCollection <string>()
{
t21, t22
};
WeakObservableCollection <IReadOnlyCollection <string> > collections =
new WeakObservableCollection <IReadOnlyCollection <string> > {
src1.ToReadOnly()
};
var union = collections.ToReadOnly().UnionAll(x => x);
Assert.AreEqual(2, union.Count);
Assert.IsTrue(union.Contains(t11));
Assert.IsTrue(union.Contains(t12));
Assert.IsFalse(union.Contains(t21));
Assert.IsFalse(union.Contains(t22));
collections.Add(src2.ToReadOnly());
Assert.AreEqual(4, union.Count);
Assert.IsTrue(union.Contains(t11));
Assert.IsTrue(union.Contains(t12));
Assert.IsTrue(union.Contains(t21));
Assert.IsTrue(union.Contains(t22));
src1.Remove(t11);
Assert.AreEqual(3, union.Count);
Assert.IsFalse(union.Contains(t11));
Assert.IsTrue(union.Contains(t12));
Assert.IsTrue(union.Contains(t21));
Assert.IsTrue(union.Contains(t22));
src1.Clear();
src2.Clear();
Assert.AreEqual(0, union.Count);
src2.Add(t21);
Assert.AreEqual(1, union.Count);
Assert.IsTrue(union.Contains(t21));
Assert.IsFalse(union.Contains(t12));
src1.Add(t11);
Assert.AreEqual(2, union.Count);
collections.Remove(collections[0]);
Assert.AreEqual(1, union.Count);
collections.Clear();
Assert.AreEqual(0, union.Count);
}
public void test_WrapperCollection()
{
NotifyCollectionChangedAction lastAction = NotifyCollectionChangedAction.Reset;
object lastAdd = null;
object lastRemove = null;
int changeCounter = 0;
EventReceiver onAdd = new EventReceiver((x, y) => lastAdd = ((ObjectEventArgs)y).Arg),
onRemove = new EventReceiver((x, y) => lastRemove = ((ObjectEventArgs)y).Arg),
onChange = new EventReceiver((x, y) => ++changeCounter);
var targetColl = new WeakObservableCollection<string>();
var wcoll = new WrapperCollection<string>(targetColl);
wcoll.Added.AddReceiver(onAdd);
wcoll.Removed.AddReceiver(onRemove);
wcoll.Changed.AddReceiver(onChange);
wcoll.CollectionChanged += (x, y) => { lastAction = y.Action; };
string t1 = "aaa", t2 = "bbb";
CompareWrap(targetColl, wcoll, t1, t2);
Assert.AreEqual(0, changeCounter);
targetColl.Add(t1);
CompareWrap(targetColl, wcoll, t1, t2);
Assert.AreEqual(1, changeCounter);
Assert.AreEqual(t1, lastAdd);
Assert.AreEqual(NotifyCollectionChangedAction.Add, lastAction);
targetColl.Add(t2);
CompareWrap(targetColl, wcoll, t1, t2);
Assert.AreEqual(2, changeCounter);
Assert.AreEqual(t2, lastAdd);
Assert.AreEqual(NotifyCollectionChangedAction.Add, lastAction);
targetColl.Remove(t1);
CompareWrap(targetColl, wcoll, t1, t2);
Assert.AreEqual(3, changeCounter);
Assert.AreEqual(t1, lastRemove);
Assert.AreEqual(NotifyCollectionChangedAction.Remove, lastAction);
Assert.AreEqual(targetColl.Count, wcoll.Count);
}
public void test_UnionCollectionDistinct()
{
WeakObservableCollection<string> src1 = new WeakObservableCollection<string>();
WeakObservableCollection<string> src2 = new WeakObservableCollection<string>();
WeakObservableCollection<IReadOnlyCollection<string>> collections =
new WeakObservableCollection<IReadOnlyCollection<string>> {
src1.ToReadOnly(),
src2.ToReadOnly() };
var union = collections.ToReadOnly().UnionAll(x => x);
Assert.AreEqual(0, union.Count);
src1.Add("a");
src2.Add("a");
Assert.AreEqual(1, union.Count);
src2.Add("b");
src2.Remove("a");
Assert.AreEqual(2, union.Count);
src1.Remove("a");
Assert.AreEqual(1, union.Count);
}
public void test_UnionCollection()
{
string t11 = "11", t12 = "12", t21 = "21", t22 = "22";
WeakObservableCollection<string> src1 = new WeakObservableCollection<string>() { t11, t12 };
WeakObservableCollection<string> src2 = new WeakObservableCollection<string>() { t21, t22 };
WeakObservableCollection<IReadOnlyCollection<string>> collections =
new WeakObservableCollection<IReadOnlyCollection<string>> { src1.ToReadOnly() };
var union = collections.ToReadOnly().UnionAll(x => x);
Assert.AreEqual(2, union.Count);
Assert.IsTrue(union.Contains(t11));
Assert.IsTrue(union.Contains(t12));
Assert.IsFalse(union.Contains(t21));
Assert.IsFalse(union.Contains(t22));
collections.Add(src2.ToReadOnly());
Assert.AreEqual(4, union.Count);
Assert.IsTrue(union.Contains(t11));
Assert.IsTrue(union.Contains(t12));
Assert.IsTrue(union.Contains(t21));
Assert.IsTrue(union.Contains(t22));
src1.Remove(t11);
Assert.AreEqual(3, union.Count);
Assert.IsFalse(union.Contains(t11));
Assert.IsTrue(union.Contains(t12));
Assert.IsTrue(union.Contains(t21));
Assert.IsTrue(union.Contains(t22));
src1.Clear();
src2.Clear();
Assert.AreEqual(0, union.Count);
src2.Add(t21);
Assert.AreEqual(1, union.Count);
Assert.IsTrue(union.Contains(t21));
Assert.IsFalse(union.Contains(t12));
src1.Add(t11);
Assert.AreEqual(2, union.Count);
collections.Remove(collections[0]);
Assert.AreEqual(1, union.Count);
collections.Clear();
Assert.AreEqual(0, union.Count);
}
public void test_FilterCollection()
{
WeakObservableCollection<FilterItem> items = new WeakObservableCollection<FilterItem>() {
new FilterItem() {Property = false}};
var manualTrigger = new WeakEvent(items);
var filtered = items.ToAutoProcessed().FilteredBy(x => x.Property)
.UpdateOn(x => x.PropertyTrigger)
.UpdateOn(x => null);
var filteredM = items.ToAutoProcessed().FilteredBy(x => x.Property).UpdateOn(manualTrigger);
Assert.AreEqual(0, filtered.Count);
items[0].Property = true;
Assert.AreEqual(1, filtered.Count);
Assert.AreEqual(0, filteredM.Count);
manualTrigger.Raise();
Assert.AreEqual(filtered.Count, filteredM.Count);
items[0].Property = false;
Assert.AreEqual(0, filtered.Count);
items.Add(new FilterItem() { Property = true });
Assert.AreEqual(1, filtered.Count);
items.Add(new FilterItem() { Property = false });
Assert.AreEqual(1, filtered.Count);
items.Add(new FilterItem() { Property = true });
Assert.AreEqual(2, filtered.Count);
items.Remove(items.First(x => x.Property));
Assert.AreEqual(1, filtered.Count);
Assert.AreSame(items.Single(x => x.Property), filtered[0]);
items.Remove(items.First(x => !x.Property));
Assert.AreEqual(1, filtered.Count);
items.Clear();
Assert.AreEqual(0, filtered.Count);
//тестируем работу сортировки
var rawColl = new WeakObservableCollection<string>();
//сортируем по первым символам
var sorted = rawColl.ToAutoProcessed().SortedOn((x, y) => x.Substring(0, 1).CompareTo(y.Substring(0, 1)));
rawColl.Add("5ф");
rawColl.Add("2ф");
rawColl.Add("4ф");
rawColl.Add("3ф");
rawColl.Add("1с");
rawColl.Add("5с");
rawColl.Add("2с");
rawColl.Add("4с");
rawColl.Add("3с");
rawColl.Add("1с");
for (int i = 0; i < 5; i++)
{
Assert.AreEqual((i + 1).ToString(), sorted[2 * i].Substring(0, 1));
Assert.AreEqual((i + 1).ToString(), sorted[2 * i + 1].Substring(0, 1));
}
}
