public static string Create(string prefix)
{
using (var r = new CryptoRandom(CharacterSets.AlphaNumeric))
{
return(prefix + "-" + r.GenerateString(10));
}
}
public void WhenMinIsLessThanMax_ThenReturnRandomLength()
{
var createdLen2 = false;
var createdLen3 = false;
using (var sut = new CryptoRandom("A"))
{
for (var i = 0; i < 100; i++)
{
var result = sut.GenerateString(2, 3);
Assert.That(result, Is.EqualTo("AA").Or.EqualTo("AAA"));
if (result.Length == 2)
{
createdLen2 = true;
}
if (result.Length == 3)
{
createdLen3 = true;
}
}
}
Assert.That(createdLen2, Is.True);
Assert.That(createdLen3, Is.True);
}
public void WhenLongEnoughLength_ThenUsesValidCharsEdgeCases()
{
using (var sut = new CryptoRandom(CharacterSets.Digits))
{
var result = sut.GenerateString(1000, 2000);
StringAssert.Contains(CharacterSets.Digits[0].ToString(), result);
StringAssert.Contains(CharacterSets.Digits[9].ToString(), result);
}
}