public void CanRemoveValue()
{
MockStateElement element = new MockStateElement();
element["foo"] = new object();
element.Remove("foo");
Assert.IsNull(element["foo"]);
}
public void AssignNullValueRaisesStateChanged()
{
MockStateElement element = new MockStateElement();
bool raised = false;
element.StateChanged += delegate { raised = true; };
element["foo"] = null;
Assert.IsTrue(raised);
}
public void StateChangedRisedOnParentIfChildElementChanges()
{
MockStateElement element = new MockStateElement();
bool raised = false;
MockStateElement parent = new MockStateElement();
parent["bar"] = element;
parent.StateChanged += delegate { raised = true; };
element["foo"] = new object();
Assert.IsTrue(raised);
}
public void CustomChangeNotificationElementRaisesStateChangedEvent()
{
MockStateElement element = new MockStateElement();
bool changed = false;
MockChangedElement item = new MockChangedElement();
element["foo"] = item;
element.StateChanged += delegate { changed = true; };
item.Value = "Hello";
Assert.IsTrue(changed);
}
public void StateChangedNotRisedAfterChildElementIsRemoved()
{
MockStateElement element = new MockStateElement();
bool raised = false;
MockStateElement parent = new MockStateElement();
parent["bar"] = element;
parent["bar"] = null;
parent.StateChanged += delegate { raised = true; };
element["foo"] = new object();
Assert.IsFalse(raised);
}
public void CanAssignNullValue()
{
MockStateElement element = new MockStateElement();
bool contains = false;
element["foo"] = null;
foreach (string key in element.Keys)
{
if (key == "foo")
{
contains = true;
}
}
Assert.IsTrue(contains);
Assert.IsNull(element["foo"]);
}
public void ChangedEventAttachedOnlyOnceIfMultipleAdds()
{
MockStateElement element = new MockStateElement();
MockChangedElement obj = new MockChangedElement();
obj.Value = "old value";
element["Test"] = obj;
MockChangedElement temp = (MockChangedElement)element["Test"];
temp.Value = "new value";
element["Test"] = temp;
int counter = 0;
element.StateChanged += delegate { counter++; };
temp = (MockChangedElement)element["Test"];
temp.Value = "final value";
Assert.AreEqual(1, counter);
}
public void ThrowsIfIndexerKeyNull()
{
MockStateElement element = new MockStateElement();
element[null] = new object();
}
