public void BatteryChargeWith50Test()
 {
     var battery = new Battery();
     battery.Charge(50);
     Assert.AreEqual(100, battery.Percentage);
 }
 public void BatteryChargeWithNegative100Test()
 {
     var battery = new Battery();
     battery.Charge(-100);
     Assert.AreEqual(0, battery.Percentage);
 }
 public void BatteryChargeWith1Test()
 {
     var battery = new Battery();
     battery.Charge(1);
     Assert.AreEqual(51, battery.Percentage);
 }