public void TestGetEnumerator()
{
AffectorCollection <int> affectors = new AffectorCollection <int>();
using (IEnumerator <IParticleAffector <int> > enumerator = affectors.GetEnumerator()) {
Assert.IsNotNull(enumerator);
Assert.IsFalse(enumerator.MoveNext());
}
}
public void TestThrowOnCurrentFromInvalidPosition()
{
AffectorCollection <int> affectors = new AffectorCollection <int>();
using (
IEnumerator <IParticleAffector <int> > enumerator = affectors.GetEnumerator()
) {
Assert.Throws <InvalidOperationException>(
delegate() { Assert.AreNotEqual(enumerator.Current, enumerator.Current); }
);
}
}
public void TestCurrent()
{
NoncoalescableAffector affector = new NoncoalescableAffector();
AffectorCollection <int> affectors = new AffectorCollection <int>();
affectors.Add(affector);
using (
IEnumerator <IParticleAffector <int> > enumerator = affectors.GetEnumerator()
) {
Assert.IsTrue(enumerator.MoveNext());
Assert.AreSame(affector, enumerator.Current);
Assert.IsFalse(enumerator.MoveNext());
}
}
public void TestAdvanceEnumeratorPastEnd()
{
AffectorCollection <int> affectors = new AffectorCollection <int>();
affectors.Add(new CoalescableAffector());
affectors.Add(new NoncoalescableAffector());
using (
IEnumerator <IParticleAffector <int> > enumerator = affectors.GetEnumerator()
) {
Assert.IsTrue(enumerator.MoveNext());
Assert.IsTrue(enumerator.MoveNext());
Assert.IsFalse(enumerator.MoveNext());
Assert.IsFalse(enumerator.MoveNext());
Assert.IsFalse(enumerator.MoveNext());
}
}
