public void BlockReentrancy()
{
var collection = new ObservableCollectionSubclass <int>();
Assert.NotNull(collection.BlockReentrancy());
Assert.Same(collection.BlockReentrancy(), collection.BlockReentrancy());
}
public static void IEnumerableConstructorTest_MakesCopy(IEnumerable <string> collection)
{
var oc = new ObservableCollectionSubclass <string>(collection);
Assert.NotNull(oc.InnerList);
Assert.NotSame(collection, oc.InnerList);
}
public void CheckReentrancy_MultipleListeners_MultipleBlocks()
{
var collection = new ObservableCollectionSubclass <int>();
collection.CollectionChanged += (sender, e) => { };
collection.CollectionChanged += (sender, e) => { };
collection.CheckReentrancy();
IDisposable block1 = collection.BlockReentrancy();
Assert.Throws <InvalidOperationException>(() => collection.CheckReentrancy());
IDisposable block2 = collection.BlockReentrancy();
Assert.Throws <InvalidOperationException>(() => collection.CheckReentrancy());
block1.Dispose();
Assert.Throws <InvalidOperationException>(() => collection.CheckReentrancy());
block2.Dispose();
collection.CheckReentrancy();
collection.CheckReentrancy();
}
public static void ListConstructorTest_MakesCopy()
{
List<string> collection = new List<string> { "one", "two", "three" };
var oc = new ObservableCollectionSubclass<string>(collection);
Assert.NotNull(oc.InnerList);
Assert.NotSame(collection, oc.InnerList);
}
public void CheckReentrancy(int listenerCount, bool shouldThrow)
{
var collection = new ObservableCollectionSubclass <int>();
for (int i = 0; i < listenerCount; i++)
{
collection.CollectionChanged += (sender, e) => { };
}
collection.CheckReentrancy();
using (collection.BlockReentrancy())
{
if (shouldThrow)
{
Assert.Throws <InvalidOperationException>(() => collection.CheckReentrancy());
}
else
{
collection.CheckReentrancy();
}
}
collection.CheckReentrancy();
}
