public void From_ValueAndUnit_ReturnsQuantityWithSameValueAndUnit()
{
var quantity00 = Permeance.From(1, PermeanceUnit.GrainsPerHourSquareFootInchOfMercury);
AssertEx.EqualTolerance(1, quantity00.GrainsPerHourSquareFootInchOfMercurys, GrainsPerHourSquareFootInchOfMercurysTolerance);
Assert.Equal(PermeanceUnit.GrainsPerHourSquareFootInchOfMercury, quantity00.Unit);
var quantity01 = Permeance.From(1, PermeanceUnit.Perm);
AssertEx.EqualTolerance(1, quantity01.Perms, PermsTolerance);
Assert.Equal(PermeanceUnit.Perm, quantity01.Unit);
}