public void FindPossibleSubstring_InvalidStartPosBeyondLastCharacter_ThrowsArgumentException()
{
var mockFinder = new Mock <IPalindromeFinder>();
var searcher = new PalindromeSearcher(mockFinder.Object);
searcher.FindPossibleSubstring("12345", 5, 4);
}
public void FindPossibleSubstring_EndPosLowerThanStartPos_ThrowsArgumentException()
{
var mockFinder = new Mock <IPalindromeFinder>();
var searcher = new PalindromeSearcher(mockFinder.Object);
searcher.FindPossibleSubstring("12345", 3, 2);
}
public void FindPossibleSubstring_NullInputString_ThrowsArgumentException()
{
var mockFinder = new Mock <IPalindromeFinder>();
var searcher = new PalindromeSearcher(mockFinder.Object);
searcher.FindPossibleSubstring(String.Empty, 0, 1);
}
public void FindPossibleSubstring_ValidPossibleSubstringOutsideEndPosition_ReturnsMinusOne()
{
var mockFinder = new Mock <IPalindromeFinder>();
var searcher = new PalindromeSearcher(mockFinder.Object);
var result = searcher.FindPossibleSubstring("123123", 0, 2);
Assert.AreEqual(-1, result);
}
public void FindPossibleSubstring_ValidPossibleSubstring_ReturnsCorrectEndPosition()
{
var mockFinder = new Mock <IPalindromeFinder>();
var searcher = new PalindromeSearcher(mockFinder.Object);
var result = searcher.FindPossibleSubstring("123123", 0, 4);
Assert.AreEqual(3, result);
}
