public void Should_format_string(string format, string mask)
{
var expected = string.Format(Consts.CultureEnUS, mask, 1.757899e2);
var instance = new SquareDecimetre(1.757899e2);
var actual = instance.ToString(format, Consts.CultureEnUS);
Assert.AreEqual(expected, actual);
}
public void Should_convert_to_string(double value)
{
var expected = $"{value:e} dm²";
var instance = new SquareDecimetre(value);
var actual = instance.ToString();
Assert.AreEqual(expected, actual);
}