public void PathToUnitTest()
{
double expected = 63360;
Mile mil = new Mile();
Inch i = new Inch();
UnitPathStack actual = mil.PathToUnit(i);
Assert.AreEqual(expected, actual.ConversionFactor);
Gram g = new Gram();
g.UnitPrefix = MetricPrefix.None;
Gram Mg = new Gram();
Mg.UnitPrefix = MetricPrefix.Mega;
actual = g.PathToUnit(Mg);
Assert.AreEqual(1e-6, actual.ConversionFactor);
Metre mr = new Metre();
actual = i.PathToUnit(mr);
Assert.AreEqual(0.0254, actual.ConversionFactor);
//now the idea is to make any combination of units to go to any combination of units
QuantityDimension qd = QuantityDimension.ParseMLT("M1L0T-1");
Unit u = Unit.DiscoverUnit(qd);
Assert.AreEqual("<kg/s>", u.Symbol);
Assert.AreEqual(qd, u.UnitDimension);
}