public double LitresUsed(int miles, double mpg)
{
if (miles < 0)
{
throw new ArgumentOutOfRangeException(nameof(miles), miles, "Miles must be 0 or greater");
}
if (mpg <= 0)
{
throw new ArgumentOutOfRangeException(nameof(mpg), mpg, "mpg must be greter than 0");
}
var gallons = GallonsUsed(miles, mpg);
return(MetricConverter.GallonsToLitres(gallons));
}
public double NumberOfTanks(int miles, double mpg, int tankSizeLitres)
{
if (miles < 0)
{
throw new ArgumentOutOfRangeException(nameof(miles), miles, "Miles must be 0 or greater");
}
if (mpg <= 0)
{
throw new ArgumentOutOfRangeException(nameof(mpg), mpg, "mpg must be greter than 0");
}
if (tankSizeLitres <= 0)
{
throw new ArgumentOutOfRangeException(nameof(tankSizeLitres), tankSizeLitres, "tankSizeLitres must be greter than 0");
}
var gallons = GallonsUsed(miles, mpg);
var tanks = MetricConverter.GallonsToLitres(gallons) / tankSizeLitres;
return(tanks);
}
