public void CompareTo_IdenticalObject_ReturnsZero()
{
var pres = new PalindromeResult {
Palindrome = "1221", StartIndex = 1, EndIndex = 4
};
var result = pres.CompareTo(pres);
Assert.AreEqual(0, result);
}
public void CompareTo_IndenticalPalindromeEarlierInString_ReturnsPlusOne()
{
var pres1 = new PalindromeResult {
Palindrome = "1221", StartIndex = 1, EndIndex = 4
};
var pres2 = new PalindromeResult {
Palindrome = "1221", StartIndex = 5, EndIndex = 8
};
var result = pres2.CompareTo(pres1);
Assert.AreEqual(1, result);
}
public void CompareTo_CompareAgainstShorterPalindrome_ReturnsMinusOne()
{
var pres1 = new PalindromeResult {
Palindrome = "1221", StartIndex = 1, EndIndex = 4
};
var pres2 = new PalindromeResult {
Palindrome = "12221", StartIndex = 5, EndIndex = 9
};
var result = pres2.CompareTo(pres1);
Assert.AreEqual(-1, result);
}
public void CompareTo_CollectionOfResult_IsSortedInExpectedOrder()
{
var pres1 = new PalindromeResult {
Palindrome = "1221", StartIndex = 10, EndIndex = 13
};
var pres2 = new PalindromeResult {
Palindrome = "12221", StartIndex = 5, EndIndex = 9
};
var pres3 = new PalindromeResult {
Palindrome = "1221", StartIndex = 1, EndIndex = 4
};
var list = new List <PalindromeResult> {
pres1, pres2, pres3
};
var expected = new List <PalindromeResult> {
pres2, pres3, pres1
};
list.Sort();
Assert.IsTrue(expected.SequenceEqual(list));
}