public void should_return_false_if_system_doesnt_exist()
{
var fakeSystem = Substitute.For <ISystem>();
var systemExecutor = new SystemExecutor(new IConventionalSystemHandler[0]);
Assert.False(systemExecutor.HasSystem(fakeSystem));
}
public void should_return_true_if_system_already_exists()
{
var fakeSystem = Substitute.For <ISystem>();
var systemExecutor = new SystemExecutor(new IConventionalSystemHandler[0]);
systemExecutor._systems.Add(fakeSystem);
Assert.True(systemExecutor.HasSystem(fakeSystem));
}
