/// <summary>
/// Contruct a Measurement
/// </summary>
/// <param name="q">The (howevermany)s of (whatever)s we have</param>
/// <param name="u">The (whatever)s we have (howevermany)s of</param>
public Measurement(decimal q, string u)
{
var siUnits = new InternationalSystem();
Quantity = q;
Exponent = siUnits.Exponent(u);
BaseUnit = siUnits.BaseUnit(u);
}
public void ShouldConvertInternationalSystemUnitsToBaseUnit(
[Values("YV", "ZV", "EV", "PV", "TV", "GV", "MV", "kV", "hV", "daV", "V", "dV", "cV", "mV", "µV", "nV", "pV", "fV", "aV", "zV", "yV")]
string units)
{
var siUnits = new InternationalSystem();
Assert.That(siUnits.BaseUnit(units), Is.EqualTo("V"));
}
public void ShouldConvertExponentToInternationalSystemPrefix(
[Values("Y", "Z", "E", "P", "T", "G", "M", "k", "h", "da", "", "d", "c", "m", "µ", "n", "p", "f", "a", "z", "y")]
string prefix,
[Values(24, 21, 18, 15, 12, 9, 6, 3, 2, 1, 0, -1, -2, -3, -6, -9, -12, -15, -18, -21, -24)] int exponent)
{
var siUnits = new InternationalSystem();
Assert.That(siUnits.ToPrefix(exponent), Is.EqualTo(prefix));
}
public void ShouldConvertInternationalSystemUnitsToExponent(
[Values("YV", "ZV", "EV", "PV", "TV", "GV", "MV", "kV", "hV", "daV", "V", "dV", "cV", "mV", "µV", "nV", "pV", "fV", "aV", "zV", "yV")]
string units,
[Values(24, 21, 18, 15, 12, 9, 6, 3, 2, 1, 0, -1, -2, -3, -6, -9, -12, -15, -18, -21, -24)] int exponent)
{
var siUnits = new InternationalSystem();
Assert.That(siUnits.Exponent(units), Is.EqualTo(exponent));
}
public void ShouldHandleScalingInBaseUnitIdentityConversion(
[Values(-3, -2, -1, 0, 1, 2, 3)] int toExp,
[Values(-3, -2, -1, 0, 1, 2, 3)] int fromExp)
{
var q = 1.5m;
var m = new Measurement(q, fromExp, "B");
var siUnits = new InternationalSystem();
Assert.That(Converters.Convert(m, string.Format("{0}{1}", siUnits.ToPrefix(toExp), "B")),
Is.EqualTo(new Measurement(q * (decimal)Math.Pow(10, fromExp - toExp), toExp, "B")));
}
