public void AsEnumerable()
{
var trafficLight = TrafficLight.Green;
var fileAttributes = FileAttributes.System | FileAttributes.Hidden;
CollectionAssert.AreEqual(new List <TrafficLight> {
TrafficLight.Red, TrafficLight.Yellow, TrafficLight.Green, TrafficLight.Unspecified
}, EnumExtensions.AsEnumerable <TrafficLight>().ToList());
CollectionAssert.AreNotEqual(new List <TrafficLight> {
TrafficLight.Red, TrafficLight.Yellow, TrafficLight.Green
}, EnumExtensions.AsEnumerable <TrafficLight>().ToList());
CollectionAssert.AreEqual(new List <TrafficLight> {
TrafficLight.Red, TrafficLight.Yellow, TrafficLight.Green, TrafficLight.Unspecified
}, trafficLight.AsEnumerable(false).ToList());
CollectionAssert.AreNotEqual(new List <TrafficLight> {
TrafficLight.Red, TrafficLight.Yellow, TrafficLight.Green
}, trafficLight.AsEnumerable(false).ToList());
CollectionAssert.AreEqual(new List <FileAttributes> {
FileAttributes.Hidden, FileAttributes.System
}, fileAttributes.AsEnumerable().ToList());
CollectionAssert.AreNotEqual(new List <FileAttributes> {
FileAttributes.Hidden, FileAttributes.System, FileAttributes.Compressed
}, fileAttributes.AsEnumerable().ToList());
}