public void GetEnumerator_ShouldResolveWithoutNullReferenceException()
{
// Arrange
var dict = new ItemsDictionary();
// Act and Assert
IEnumerable en = (IEnumerable)dict;
Assert.NotNull(en.GetEnumerator());
}
public void CopyTo_ShouldCopyItemsWithoutNullReferenceException()
{
// Arrange
var dict = new ItemsDictionary();
var pairs = new KeyValuePair <object, object>[] { new KeyValuePair <object, object>("first", "value") };
// Act and Assert
ICollection <KeyValuePair <object, object> > cl = (ICollection <KeyValuePair <object, object> >)dict;
cl.CopyTo(pairs, 0);
}