public void Cast_String_Observable_NoUpdatesWhenDetached()
{
var update = false;
var dummy = new ObservableDummy <object>()
{
Item = "23"
};
var test = new NotifyValue <string>(() => (string)dummy.Item);
test.ValueChanged += (o, e) => update = true;
Assert.AreEqual("23", test.Value);
Assert.IsFalse(update);
test.Detach();
dummy.Item = "42";
Assert.IsFalse(update);
test.Attach();
Assert.IsTrue(update);
Assert.AreEqual("42", test.Value);
update = false;
dummy.Item = "1";
Assert.IsTrue(update);
}
public void ArrayCreation_Observable_NoUpdatesWhenDetached()
{
var update = false;
var dummy = new ObservableDummy<int>() { Item = 23 };
var test = new NotifyValue<int[]>(() => new int[dummy.Item]);
test.ValueChanged += (o, e) => update = true;
Assert.AreEqual(23, (test.Value as int[]).Length);
Assert.IsFalse(update);
test.Detach();
dummy.Item = 42;
Assert.IsFalse(update);
test.Attach();
Assert.IsTrue(update);
Assert.AreEqual(42, test.Value.Length);
update = false;
dummy.Item = 2;
Assert.IsTrue(update);
}
public void Indexer_ObservableSource_NoUpdatesWhenDetached()
{
var update = false;
var coll = new ObservableCollection <string>();
coll.Add("23");
var test = new NotifyValue <string>(() => coll[0]);
test.ValueChanged += (o, e) => update = true;
Assert.AreEqual("23", test.Value);
Assert.IsFalse(update);
test.Detach();
coll.Insert(0, "42");
Assert.IsFalse(update);
test.Attach();
Assert.IsTrue(update);
Assert.AreEqual("42", test.Value);
update = false;
coll.Insert(0, "Foo");
Assert.IsTrue(update);
}
public void New_Observable_NoUpdatesWhenDetached()
{
var update = false;
var dummy = new ObservableDummy<int>() { Item = 23 };
var test = new NotifyValue<Dummy<int>>(() => new Dummy<int>(dummy.Item));
test.ValueChanged += (o, e) => update = true;
Assert.AreEqual(23, (test.Value as Dummy<int>).Item);
Assert.IsFalse(update);
test.Detach();
dummy.Item = 42;
Assert.IsFalse(update);
test.Attach();
Assert.IsTrue(update);
Assert.AreEqual(42, test.Value.Item);
update = false;
dummy.Item = 1;
Assert.IsTrue(update);
}
public void Indexer_ObservableIndex_NoUpdatesWhenDetached()
{
var update = false;
var coll = new List <string>();
coll.Add("23");
coll.Add("42");
var dummy = new ObservableDummy <int>();
var test = new NotifyValue <string>(() => coll[dummy.Item]);
test.ValueChanged += (o, e) => update = true;
Assert.AreEqual("23", test.Value);
Assert.IsFalse(update);
test.Detach();
dummy.Item = 1;
Assert.IsFalse(update);
test.Attach();
Assert.IsTrue(update);
Assert.AreEqual("42", test.Value);
update = false;
dummy.Item = 0;
Assert.IsTrue(update);
}
public void ArrayLongIndexer2d_ObservableIndex_NoUpdatesWhenDetached()
{
var update = false;
var coll = new string[, ] {
{ "23", "42" }
};
var dummy = new ObservableDummy <long>();
var test = new NotifyValue <string>(() => coll[0, dummy.Item]);
test.ValueChanged += (o, e) => update = true;
Assert.AreEqual("23", test.Value);
Assert.IsFalse(update);
test.Detach();
dummy.Item = 1;
Assert.IsFalse(update);
test.Attach();
Assert.IsTrue(update);
Assert.AreEqual("42", test.Value);
update = false;
dummy.Item = 0;
Assert.IsTrue(update);
}
public void Cast_String_Observable_NoUpdatesWhenDetached()
{
var update = false;
var dummy = new ObservableDummy<object>() { Item = "23" };
var test = new NotifyValue<string>(() => (string)dummy.Item);
test.ValueChanged += (o, e) => update = true;
Assert.AreEqual("23", test.Value);
Assert.IsFalse(update);
test.Detach();
dummy.Item = "42";
Assert.IsFalse(update);
test.Attach();
Assert.IsTrue(update);
Assert.AreEqual("42", test.Value);
update = false;
dummy.Item = "1";
Assert.IsTrue(update);
}
public void ArrayCreation_Observable_NoUpdatesWhenDetached()
{
var update = false;
var dummy = new ObservableDummy <int>()
{
Item = 23
};
var test = new NotifyValue <int[]>(() => new int[dummy.Item]);
test.ValueChanged += (o, e) => update = true;
Assert.AreEqual(23, (test.Value as int[]).Length);
Assert.IsFalse(update);
test.Detach();
dummy.Item = 42;
Assert.IsFalse(update);
test.Attach();
Assert.IsTrue(update);
Assert.AreEqual(42, test.Value.Length);
update = false;
dummy.Item = 2;
Assert.IsTrue(update);
}
public void MethodCall_ObservableTarget_NoUpdateWhenDetached()
{
var update = false;
var dummy = new ObservableDummy <int>()
{
Item = 23
};
var test = new NotifyValue <string>(() => dummy.Item.ToString());
test.ValueChanged += (o, e) => update = true;
Assert.AreEqual("23", test.Value);
Assert.IsFalse(update);
test.Detach();
dummy.Item = 42;
Assert.IsFalse(update);
test.Attach();
Assert.IsTrue(update);
Assert.AreEqual("42", test.Value);
update = false;
dummy.Item = 0;
Assert.IsTrue(update);
}
public void MethodCall_ObservableArgument_NoUpdatesWhenDetached()
{
var update = false;
var dummy = new ObservableDummy <string>()
{
Item = "23"
};
var test = new NotifyValue <int>(() => int.Parse(dummy.Item));
test.ValueChanged += (o, e) => update = true;
Assert.AreEqual(23, test.Value);
Assert.IsFalse(update);
test.Detach();
dummy.Item = "42";
Assert.IsFalse(update);
test.Attach();
Assert.IsTrue(update);
Assert.AreEqual(42, test.Value);
update = false;
dummy.Item = "0";
Assert.IsTrue(update);
}
public void New_Observable_NoUpdatesWhenDetached()
{
var update = false;
var dummy = new ObservableDummy <int>()
{
Item = 23
};
var test = new NotifyValue <Dummy <int> >(() => new Dummy <int>(dummy.Item));
test.ValueChanged += (o, e) => update = true;
Assert.AreEqual(23, (test.Value as Dummy <int>).Item);
Assert.IsFalse(update);
test.Detach();
dummy.Item = 42;
Assert.IsFalse(update);
test.Attach();
Assert.IsTrue(update);
Assert.AreEqual(42, test.Value.Item);
update = false;
dummy.Item = 1;
Assert.IsTrue(update);
}
