public void Test1()
{
//initial examples
var result = _functions.CompareStrings("abcde", "axcye");
Assert.AreEqual(2, result);
result = _functions.CompareStrings("fghij", "fguij");
Assert.AreEqual(1, result);
// all differ, all different chars
result = _functions.CompareStrings("abcde", "fghij");
Assert.AreEqual(5, result);
// all differ, same chars, different order
result = _functions.CompareStrings("abcde", "bcdea");
Assert.AreEqual(5, result);
// 1 character differs
result = _functions.CompareStrings("abcde", "fbcde");
Assert.AreEqual(1, result);
result = _functions.CompareStrings("abcde", "afcde");
Assert.AreEqual(1, result);
result = _functions.CompareStrings("abcde", "abfde");
Assert.AreEqual(1, result);
result = _functions.CompareStrings("abcde", "abcfe");
Assert.AreEqual(1, result);
result = _functions.CompareStrings("abcde", "abcdf");
Assert.AreEqual(1, result);
// 2 characters differ
result = _functions.CompareStrings("abcde", "ffcde");
Assert.AreEqual(2, result);
result = _functions.CompareStrings("abcde", "affde");
Assert.AreEqual(2, result);
result = _functions.CompareStrings("abcde", "abffe");
Assert.AreEqual(2, result);
result = _functions.CompareStrings("abcde", "abcff");
Assert.AreEqual(2, result);
// 3 characters differ
result = _functions.CompareStrings("abcde", "fffde");
Assert.AreEqual(3, result);
result = _functions.CompareStrings("abcde", "afffe");
Assert.AreEqual(3, result);
result = _functions.CompareStrings("abcde", "abfff");
Assert.AreEqual(3, result);
// 4 characters differ
result = _functions.CompareStrings("abcde", "ffffe");
Assert.AreEqual(4, result);
result = _functions.CompareStrings("abcde", "affff");
Assert.AreEqual(4, result);
}
