public void TestTestThatCorrectCharacterCountIsReturned()
{
const int length = 100;
var randomString = CryptoRandomString.GetCryptoRandomBase95String(length);
Assert.AreEqual(length, randomString.Length);
}
public void TestPerformanceTenMillionCharacters()
{
Stopwatch watch = new Stopwatch();
watch.Start();
const int length = 1000000;
CryptoRandomString.GetCryptoRandomBase95String(length);
watch.Stop();
Assert.IsTrue(watch.ElapsedMilliseconds < 1000);
} // Elapsed Milliseconds 320 (it fluxuated a few milliseconds each run)
public void TestAllCharactersAreUsed()
{
const int length = 1000000;
var randomString = CryptoRandomString.GetCryptoRandomBase95String(length);
for (int i = 32; i < 126; i++)
{
char c = (char)i;
Assert.IsTrue(randomString.Contains(c.ToString()));
}
}
public void TestPerformanceLoop()
{
Stopwatch watch = new Stopwatch();
const int length = 16;
watch.Start();
for (int i = 0; i < 100000; i++)
{
CryptoRandomString.GetCryptoRandomBase95String(length);
}
watch.Stop();
Assert.IsTrue(watch.ElapsedMilliseconds < 1000);
}
public void TestDistributionInTenMillionCharacters()
{
const int length = 1000000;
const int distibution = length / 95;
int[] margins = new int[9500];
for (int j = 0; j < 100; j++)
{
var randomString = CryptoRandomString.GetCryptoRandomBase95String(length);
for (int i = 32; i < 127; i++)
{
//int count = randomString.Count(c => c == i);
int count = CountInstancesOfChar(randomString, (char)i);
margins[(j * 95) + i - 32] = count;
}
}
Assert.IsTrue(Math.Abs(margins.Average() - distibution) < .5);
}