public void CompareToTest()
{
// Higher powers of the same prime are greater
Assert.That((new PrimeFactors(4)).CompareTo(new PrimeFactors(2)) > 0);
// Higher primes are greater
Assert.That((new PrimeFactors(3)).CompareTo(new PrimeFactors(2)) > 0);
// Equality semantics
for (var i = 1; i < 1000; i++)
{
var iFactors = new PrimeFactors(i);
for (var j = 1; j < 1000; j++)
{
var jFactors = new PrimeFactors(j);
if (i == j)
{
Assert.That(iFactors.CompareTo(jFactors), Is.EqualTo(0), "Prime Factors of equal numbers must compare equal.");
}
else
{
Assert.That(iFactors.CompareTo(jFactors), Is.Not.EqualTo(0), "Prime Factors of distinct numbers must compare not-equal.");
}
}
}
}
