public void ShouldNotDec()
{
StringIncrementer s;
s = new StringIncrementer();
Assert.ThrowsException <ArgumentOutOfRangeException>(() => s.Dec(null));
Assert.ThrowsException <ArgumentOutOfRangeException>(() => s.Dec(Token.MinStringValue));
}
public void StringIncrementerTests()
{
Assert.AreEqual("000001", StringIncrementer.Increment("000000"));
Assert.AreEqual("00000A", StringIncrementer.Increment("000009"));
Assert.AreEqual("000010", StringIncrementer.Increment("00000Z"));
Assert.AreEqual("000010", StringIncrementer.Increment("00000z"));
Assert.AreEqual("00000f", StringIncrementer.Increment("00000e"));
Assert.AreEqual("48aB8c", StringIncrementer.Increment("48aB8b"));
Assert.AreEqual("9QS000", StringIncrementer.Increment("9QRZzZ"));
}
public void ShouldInc()
{
StringIncrementer s;
s = new StringIncrementer();
Assert.AreEqual("b", s.Inc("a"));
Assert.AreEqual("ab", s.Inc("aa"));
Assert.AreEqual("\0", s.Inc(string.Empty));
Assert.AreEqual("\uFFFF\u0000", s.Inc("\uFFFF"));
}
public void ShouldDec()
{
StringIncrementer s;
s = new StringIncrementer();
Assert.AreEqual("a", s.Dec("b"));
Assert.AreEqual("aa", s.Dec("ab"));
Assert.AreEqual(string.Empty, s.Dec("\0"));
Assert.AreEqual("\uFFFF", s.Dec("\uFFFF\u0000"));
}
