public void test_MouseUpSendsTheEventToMainFormState()
{
_formState = new Mock <MainFormState>();
_formState.Setup(x => x.UpdateState(It.IsAny <Point>(), It.IsAny <StateChangingTrigger>()));
Type t = typeof(MainFormViewModel);
var field = t.GetField("_currentState", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance);
field.SetValue(_model, _formState.Object);
Point p = new Point(1, 1);
_model.MouseUp(p, MouseButtons.Left);
_formState.Verify(x => x.UpdateState(p, StateChangingTrigger.MouseUp));
}
private void overlayBox_MouseUp(object sender, MouseEventArgs e)
{
_model.MouseUp(TranslateCursorLocation(), e.Button);
}