public void TestGetSafetyByRepeateChars()
{
Assert.AreEqual(0, passwordStrength.GetSafetyByRepeateChars("a"));
Assert.AreEqual(-2, passwordStrength.GetSafetyByRepeateChars("aa"));
Assert.AreEqual(-3, passwordStrength.GetSafetyByRepeateChars("aaa"));
Assert.AreEqual(-2, passwordStrength.GetSafetyByRepeateChars("aab"));
Assert.AreEqual(-4, passwordStrength.GetSafetyByRepeateChars("aabb"));
}