public void ReturnsComponentForExistentType()
{
Entity target = EmptyEntity();
var component = new FakeComponent1();
target.AddComponent(component);
Assert.Equal(component, target.GetComponent<FakeComponent1>());
}
public void IsNotExecutedForOnlyOneOfTwoComponentsOfInterest()
{
var target = new FakeComponent1And2System();
var world = new EntityWorld();
world.AddSystem(target);
var component1 = new FakeComponent1();
Entity entity = world.CreateEntity();
entity.AddComponent(component1);
world.Update(TimeSpan.Zero);
Assert.False(component1.Processed);
}
public void IsExecutedForComponentOfInterest()
{
var target = new FakeComponent1System();
var world = new EntityWorld();
world.AddSystem(target);
var component = new FakeComponent1();
Entity entity = world.CreateEntity();
entity.AddComponent(component);
world.Update(TimeSpan.Zero);
Assert.True(component.Processed);
}
public void IsExecutedForThreeComponentsOfInterest()
{
var target = new FakeComponent1And2And3System();
var world = new EntityWorld();
world.AddSystem(target);
var component1 = new FakeComponent1();
var component2 = new FakeComponent2();
var component3 = new FakeComponent3();
Entity entity = world.CreateEntity();
entity.AddComponent(component1);
entity.AddComponent(component2);
entity.AddComponent(component3);
world.Update(TimeSpan.Zero);
Assert.True(component1.Processed);
Assert.True(component2.Processed);
Assert.True(component3.Processed);
}
public void IsExecutedForDrawGameLoopSystem()
{
var target = new FakeComponentDrawSystem();
var world = new EntityWorld();
world.AddSystem(target);
var component = new FakeComponent1();
Entity entity = world.CreateEntity();
entity.AddComponent(component);
world.Draw();
Assert.True(component.Processed);
}
public void IsNotExecutedForDisposedEntity()
{
var target = new FakeComponent1System();
var world = new EntityWorld();
world.AddSystem(target);
var component = new FakeComponent1();
Entity entity = world.CreateEntity();
entity.AddComponent(component);
entity.Dispose();
world.Update(TimeSpan.Zero);
Assert.False(component.Processed);
}
public void IsNotExecutedForDrawSystemInUpdateLoop()
{
var target = new FakeComponent1System();
var world = new EntityWorld();
world.AddSystem(target);
var component = new FakeComponent1();
Entity entity = world.CreateEntity();
entity.AddComponent(component);
world.Draw();
Assert.False(component.Processed);
}
public void RestoreStateToAPreviousStateWithinSameWorld()
{
EntityWorld target = EmptyWorld();
Entity entity = target.CreateEntity();
var component = new FakeComponent1();
entity.AddComponent(component);
var state = target.GetState();
component.Processed = true;
target.RestoreState(state);
Assert.False(target.GetEntities().First().GetComponent<FakeComponent1>().Processed);
}
public void TransferDeepCopyOfComponentFromOneWorldToAnother()
{
EntityWorld target1 = EmptyWorld();
Entity entity = target1.CreateEntity();
var component = new FakeComponent1();
entity.AddComponent(component);
EntityWorld target2 = EmptyWorld();
target2.RestoreState(target1.GetState());
component.Processed = true;
Assert.False(target2.GetEntities().First().GetComponent<FakeComponent1>().Processed);
}