public void DoesNotThrowAfterDisposingEnumerator()
{
var list = new DeletableObjectList <TestDeletable>();
var enumerator = list.GetEnumerator();
enumerator.Dispose();
CallMethod(list);
}
public void ThrowsIfEnumerating()
{
var list = new DeletableObjectList <TestDeletable>();
list.GetEnumerator();
Action callingWhileEnumerating = () => CallMethod(list);
Assert.Throws <InvalidOperationException>(callingWhileEnumerating);
}
public void DoesNotThrowIfAllEnumeratorsAreDisposed()
{
var list = new DeletableObjectList <TestDeletable>();
var enumerators = Enumerable.Range(0, 20).Select(i => list.GetEnumerator()).ToList();
foreach (var enumerator in enumerators)
{
enumerator.Dispose();
}
CallMethod(list);
}
public void ThrowsIfAtLeastOneEnumeratorIsNotDisposed()
{
var list = new DeletableObjectList <TestDeletable>();
var enumerators = Enumerable.Range(0, 20).Select(i => list.GetEnumerator()).ToList();
var arbitraryEnumerator = enumerators[7];
foreach (var enumerator in enumerators.Except(new [] { arbitraryEnumerator }))
{
enumerator.Dispose();
}
Action callingWhileEnumerating = () => CallMethod(list);
Assert.Throws <InvalidOperationException>(callingWhileEnumerating);
}