public void ScanSubstring_NoPalindromes_AddsNoResults()
{
var mockFinder = new Mock <IPalindromeFinder>();
mockFinder.Setup(foo => foo.IsPalindrome(It.IsAny <String>())).Returns(false);
var searcher = new PalindromeSearcher(mockFinder.Object);
var results = new List <PalindromeResult>();
searcher.ScanSubstring("12345", 4, 1, results);
Assert.AreEqual(0, results.Count);
mockFinder.Verify(foo => foo.IsPalindrome(It.IsAny <String>()), Times.AtLeastOnce());
}
public void ScanSubstring_HasPalindromes_AddsSingleResult()
{
var mockFinder = new Mock <IPalindromeFinder>();
mockFinder.Setup(foo => foo.IsPalindrome(It.IsAny <String>())).Returns(true);
var searcher = new PalindromeSearcher(mockFinder.Object);
var results = new List <PalindromeResult>();
searcher.ScanSubstring("1234321", 4, 1, results);
Assert.AreEqual(1, results.Count);
mockFinder.Verify(foo => foo.IsPalindrome(It.IsAny <String>()), Times.Once());
}
