public void Should_behave_correctly_when_key_changed()
{
using World world = new World();
using EntityMultiMap <int> map = world.GetEntities().AsMultiMap <int>();
Entity entity = world.CreateEntity();
entity.Set(42);
Check.That(map.TryGetEntities(42, out ReadOnlySpan <Entity> result)).IsTrue();
Check.That(result.ToArray()).ContainsExactly(entity);
entity.Set(1337);
Check.That(map.TryGetEntities(42, out result)).IsFalse();
Check.That(map.TryGetEntities(1337, out result)).IsTrue();
Check.That(result.ToArray()).ContainsExactly(entity);
entity.Get <int>() = 42;
entity.NotifyChanged <int>();
Check.That(map.TryGetEntities(1337, out result)).IsFalse();
Check.That(map.TryGetEntities(42, out result)).IsTrue();
Check.That(result.ToArray()).ContainsExactly(entity);
}
public void TryGetEntities_Should_return_weither_a_key_is_in_or_not()
{
using World world = new World();
using EntityMultiMap <int> map = world.GetEntities().AsMultiMap <int>();
Entity entity = world.CreateEntity();
Check.That(map.TryGetEntities(42, out ReadOnlySpan <Entity> result)).IsFalse();
entity.Set(42);
Check.That(map.TryGetEntities(42, out result)).IsTrue();
Check.That(result.ToArray()).ContainsExactly(entity);
entity.Disable <int>();
Check.That(map.TryGetEntities(42, out result)).IsFalse();
entity.Enable <int>();
Check.That(map.TryGetEntities(42, out result)).IsTrue();
Check.That(result.ToArray()).ContainsExactly(entity);
entity.Remove <int>();
Check.That(map.TryGetEntities(42, out result)).IsFalse();
}
public void Complete_Should_empty_When_reative()
{
using World world = new World();
using EntityMultiMap <int> map = world.GetEntities().WhenAddedEither <int>().AsMultiMap <int>();
Entity entity = world.CreateEntity();
entity.Set(42);
Check.That(map.TryGetEntities(42, out ReadOnlySpan <Entity> result)).IsTrue();
Check.That(result.ToArray()).ContainsExactly(entity);
map.Complete();
Check.That(map.TryGetEntities(42, out result)).IsFalse();
entity.Set(1337);
Check.That(map.TryGetEntities(42, out result)).IsFalse();
}