public void DownTest() { this.menuItem3.Selected = true; MenuDialog target = new MenuDialog(menuItems); target.Down(); Assert.IsTrue(this.menuItem1.Selected); Assert.IsFalse(this.menuItem2.Selected); Assert.IsFalse(this.menuItem3.Selected); Assert.IsFalse(this.menuItem4.Selected); target.Down(); Assert.IsFalse(this.menuItem1.Selected); Assert.IsTrue(this.menuItem2.Selected); Assert.IsFalse(this.menuItem3.Selected); Assert.IsFalse(this.menuItem4.Selected); }