public void ShouldReturnFalseWhenOneLetter()
{
var sol = new RepeatedSubstringPatternSolution();
Assert.IsFalse(sol.RepeatedSubstringPattern("a"));
Assert.IsFalse(sol.RepeatedSubstringPattern("z"));
}
public void ShouldReturnFalseWhenNullOrEmpty()
{
var sol = new RepeatedSubstringPatternSolution();
Assert.IsFalse(sol.RepeatedSubstringPattern(null));
Assert.IsFalse(sol.RepeatedSubstringPattern(String.Empty));
}
public void TwoLetters()
{
var sol = new RepeatedSubstringPatternSolution();
Assert.IsTrue(sol.RepeatedSubstringPattern("aa"));
Assert.IsTrue(sol.RepeatedSubstringPattern("zz"));
Assert.IsFalse(sol.RepeatedSubstringPattern("ab"));
Assert.IsFalse(sol.RepeatedSubstringPattern("xy"));
}
public void FiveLetters()
{
var sol = new RepeatedSubstringPatternSolution();
Assert.IsTrue(sol.RepeatedSubstringPattern("aaaaa"));
Assert.IsFalse(sol.RepeatedSubstringPattern("bbaaa"));
Assert.IsFalse(sol.RepeatedSubstringPattern("zazza"));
Assert.IsFalse(sol.RepeatedSubstringPattern("aaaab"));
Assert.IsFalse(sol.RepeatedSubstringPattern("abcde"));
Assert.IsFalse(sol.RepeatedSubstringPattern("xxyzz"));
Assert.IsFalse(sol.RepeatedSubstringPattern("xyyzz"));
}
public void ThreeLetters()
{
var sol = new RepeatedSubstringPatternSolution();
Assert.IsTrue(sol.RepeatedSubstringPattern("aaa"));
Assert.IsTrue(sol.RepeatedSubstringPattern("bbb"));
Assert.IsFalse(sol.RepeatedSubstringPattern("zaz"));
Assert.IsFalse(sol.RepeatedSubstringPattern("abc"));
Assert.IsFalse(sol.RepeatedSubstringPattern("xxy"));
Assert.IsFalse(sol.RepeatedSubstringPattern("xyy"));
}