public void As_SIUnitSystem_ThrowsArgumentExceptionIfNotSupported()
{
var quantity = new AreaDensity(value: 1, unit: AreaDensity.BaseUnit);
Func <object> AsWithSIUnitSystem = () => quantity.As(UnitSystem.SI);
if (SupportsSIUnitSystem)
{
var value = (double)AsWithSIUnitSystem();
Assert.Equal(1, value);
}
else
{
Assert.Throws <ArgumentException>(AsWithSIUnitSystem);
}
}