public void SourceManipulation()
{
var things = new ObservableDictionary <int, object>
{
{ 0, 0 },
{ 1, false },
{ 2, "John" },
{ 3, DateTime.Now },
{ 4, "Emily" },
{ 5, Guid.NewGuid() },
{ 6, "Charles" },
{ 7, TimeSpan.Zero },
{ 8, new object() }
};
using (var strings = things.ActiveOfType <int, object, string>())
{
void checkStrings(params string[] against) => Assert.IsTrue(strings.Values.OrderBy(s => s).SequenceEqual(against));
checkStrings("Charles", "Emily", "John");
things.Add(9, "Bridget");
things.Remove(2);
checkStrings("Bridget", "Charles", "Emily");
things.Reset(new Dictionary <int, object>
{
{ 0, new object() },
{ 1, TimeSpan.Zero },
{ 2, "George" },
{ 3, Guid.NewGuid() },
{ 4, "Craig" },
{ 5, DateTime.Now },
{ 6, "Cliff" },
{ 7, false },
{ 8, 0 }
});
checkStrings("Cliff", "Craig", "George");
}
}