public void DivisorConsistency()
{
for (var i = 1; i < 1000; i++)
{
var count = Divisor.Divisors(i).Count();
Assert.That(Divisor.CountDivisors(i), Is.EqualTo(count));
}
}
public void CountDivisors()
{
Assert.That(Divisor.CountDivisors(28), Is.EqualTo(6));
Assert.That(Divisor.CountDivisors(45360), Is.EqualTo(100));
}
public void Perfection()
{
Assert.That(Divisor.Perfection(7), Is.EqualTo(-1));
Assert.That(Divisor.Perfection(28), Is.EqualTo(0));
Assert.That(Divisor.Perfection(12), Is.EqualTo(1));
}
public void ProperDivisors()
{
var divisors = Divisor.ProperDivisors(28);
Assert.That(divisors, Is.EquivalentTo(new[] { 1, 2, 4, 7, 14 }));
}
public void Divisors()
{
var divisors = Divisor.Divisors(28);
Assert.That(divisors, Is.EquivalentTo(new[] { 1, 2, 4, 7, 14, 28 }));
}