public void DoInitialize_SetsTransform()
{
var entity = new Entity(1);
var transform = new TransformComponentStub(entity);
entity.AddComponent(transform);
var result = entity.Initialize();
Assert.IsTrue(result);
Assert.IsTrue(entity.IsInitialized);
Assert.IsNotNull(entity.TransformComponent);
Assert.AreSame(transform, entity.TransformComponent);
}
public void DoInitialize_RejectsMultipleTransforms()
{
var entity = new Entity(1);
var transform1 = new TransformComponentStub(entity);
var transform2 = new TransformComponentStub2(entity);
entity.AddComponent(transform1);
entity.AddComponent(transform2);
TestDelegate func = () => entity.Initialize();
Assert.Throws<InvalidOperationException>(func);
Assert.IsFalse(entity.IsInitialized);
Assert.IsFalse(transform1.IsInitialized);
Assert.IsFalse(transform2.IsInitialized);
}
