public void CountPrimeNumbersTest()
{
// See https://en.wikipedia.org/wiki/Prime_number_theorem
// or https://www.michael-holzapfel.de/themen/primzahlen/pz-anzahl.htm
Assert.AreEqual(4, Primes.CountPrimeNumbers(1, 10));
Assert.AreEqual(25, Primes.CountPrimeNumbers(1, 100));
Assert.AreEqual(168, Primes.CountPrimeNumbers(1, 1000));
Assert.AreEqual(1229, Primes.CountPrimeNumbers(1, 10000));
Assert.AreEqual(9592, Primes.CountPrimeNumbers(1, 100000));
}
public void ProgressReportingTest()
{
int callCount = 0;
Primes.Progress += (percent) => ++ callCount;
Primes.CountPrimeNumbers(1, 10);
Primes.CountPrimeNumbers(1, 27389);
// Calls for percent 10%, 20%, ... 100%
Assert.AreEqual(2 * 9, callCount);
}