private void Update()
{
if (roomWidthTextbox == null || roomHeightTextbox == null || roomLengthTextbox == null || paintPerLitreTextbox == null || floorAreaLabel == null || roomVolumeLabel == null || paintRequiredLabel == null)
{
return;
}
double roomWidth, roomLength, roomHeight, paintPerLitre;
bool invalidValue = false;
roomWidth = CheckTextbox(roomWidthTextbox, ref invalidValue);
roomLength = CheckTextbox(roomLengthTextbox, ref invalidValue);
roomHeight = CheckTextbox(roomHeightTextbox, ref invalidValue);
paintPerLitre = CheckTextbox(paintPerLitreTextbox, ref invalidValue);
if (invalidValue)
{
floorAreaLabel.Content = "<Invalid Input>";
roomVolumeLabel.Content = "<Invalid Input>";
paintRequiredLabel.Content = "<Invalid Input>";
}
else
{
floorAreaLabel.Content = RoomMath.floorArea(roomWidth, roomLength) + " m²";
roomVolumeLabel.Content = RoomMath.roomVolume(roomWidth, roomLength, roomHeight) + " m³";
paintRequiredLabel.Content = RoomMath.paintRequired(roomWidth, roomLength, roomHeight, paintPerLitre).ToString("N2") + " litres";
}
}
public void paintRequired_Valid()
{
double volume = RoomMath.paintRequired(10.0, 10.0, 10.0, 10.0);
Assert.AreEqual(40.0, volume);
volume = RoomMath.paintRequired(1.0, 1.0, 1.0, 1.0);
Assert.AreEqual(4.0, volume);
}
public void paintRequired_outOfRangeInput()
{
RoomMath.paintRequired(-10.0, 10.0, 10.0, 10.0);
RoomMath.paintRequired(10.0, -10.0, 10.0, 10.0);
RoomMath.paintRequired(10.0, 10.0, -10.0, 10.0);
RoomMath.paintRequired(10.0, 10.0, 10.0, -10.0);
RoomMath.paintRequired(Double.PositiveInfinity, 10.0, 10.0, 10.0);
RoomMath.paintRequired(10.0, Double.PositiveInfinity, 10.0, 10.0);
RoomMath.paintRequired(10.0, 10.0, Double.PositiveInfinity, 10.0);
RoomMath.paintRequired(10.0, 10.0, 10.0, Double.PositiveInfinity);
}
public void paintRequired_InputsTooLarge()
{
RoomMath.paintRequired(Double.MaxValue, Double.MaxValue, Double.MaxValue, Double.MaxValue);
}