public void CanPushAndPop()
{
var s = new FrameCollection(NullLoggerFactory.GetLogger());
s.PushFrame(new StackFrame(0x55FF, 2, 1));
s.Locals[0] = 22;
s.RoutineStack.Push(42);
var frame = s.PopFrame();
Assert.Equal(0x55FF, frame.ReturnPC);
Assert.Equal(22, frame.Locals[0]);
Assert.Equal(42, frame.RoutineStack.Pop());
}