public void TestNonUniquePalindromes()
{
string s = "aaa";
var res = LongestUniquePalindromesFinder.GetLongestUniquePalindromes(numberOfPalindromes, s);
LongestUniquePalindromes expected = new LongestUniquePalindromes();
expected.Add(new PalindromeData(0, 3, "aaa"));
expected.Add(new PalindromeData(0, 0, string.Empty));
Assert.Equal(expected.ToString(), res.ToString());
}
public void TestPalindromeContainingExactlyKPalindromes()
{
string s = "aaabbbbcc";
var res = LongestUniquePalindromesFinder.GetLongestUniquePalindromes(numberOfPalindromes, s);
LongestUniquePalindromes expected = new LongestUniquePalindromes();
expected.Add(new PalindromeData(3, 4, "bbbb"));
expected.Add(new PalindromeData(0, 3, "aaa"));
expected.Add(new PalindromeData(7, 2, "cc"));
Assert.Equal(expected.ToString(), res.ToString());
}
public void TestOnlyCharactersPalindromeContainingLessThanKPalindromes()
{
string s = "ab";
var res = LongestUniquePalindromesFinder.GetLongestUniquePalindromes(numberOfPalindromes, s);
LongestUniquePalindromes expected = new LongestUniquePalindromes();
expected.Add(new PalindromeData(0, 1, "a"));
expected.Add(new PalindromeData(1, 1, "b"));
expected.Add(new PalindromeData(0, 0, string.Empty));
Assert.Equal(expected.ToString(), res.ToString());
}
public void TestPalindromeFromSpecification()
{
string s = "sqrrqabccbatudefggfedvwhijkllkjihxymnnmzpop";
var res = LongestUniquePalindromesFinder.GetLongestUniquePalindromes(numberOfPalindromes, s);
LongestUniquePalindromes expected = new LongestUniquePalindromes();
expected.Add(new PalindromeData(23, 10, "hijkllkjih"));
expected.Add(new PalindromeData(13, 8, "defggfed"));
expected.Add(new PalindromeData(5, 6, "abccba"));
Assert.Equal(expected.ToString(), res.ToString());
}
public void TestPalindromeLongestButNotUnique()
{
string s = "abcba4bcb";
var res = LongestUniquePalindromesFinder.GetLongestUniquePalindromes(numberOfPalindromes, s);
LongestUniquePalindromes expected = new LongestUniquePalindromes();
expected.Add(new PalindromeData(0, 5, "abcba"));
expected.Add(new PalindromeData(5, 1, "4"));
expected.Add(new PalindromeData(0, 0, string.Empty));
Assert.Equal(expected.ToString(), res.ToString());
}
public void TestOnlyCharactersPalindromeContainingMoreThanKPalindromes()
{
string s = "abcd";
var res = LongestUniquePalindromesFinder.GetLongestUniquePalindromes(numberOfPalindromes, s);
LongestUniquePalindromes expected1 = new LongestUniquePalindromes();
expected1.Add(new PalindromeData(0, 1, "a"));
expected1.Add(new PalindromeData(1, 1, "b"));
expected1.Add(new PalindromeData(2, 1, "c"));
Assert.Equal(expected1.ToString(), res.ToString());
//NOTE: this is not the only solution ( "a", "b", "d") or ("b", "c", "d") are also valid
//if the implmentation changes, this test may fail.
//TO DO: add to the test all sets of longest unique palindromes.
}
public void TestPalindromeContainingMoreThanKPalindromes()
{
string s = "aaaabbbbbbcccddd";
var res = LongestUniquePalindromesFinder.GetLongestUniquePalindromes(numberOfPalindromes, s);
LongestUniquePalindromes expected1 = new LongestUniquePalindromes();
expected1.Add(new PalindromeData(4, 6, "bbbbbb"));
expected1.Add(new PalindromeData(0, 4, "aaaa"));
expected1.Add(new PalindromeData(10, 3, "ccc"));
Assert.Equal(expected1.ToString(), res.ToString());
//NOTE: this is not the only solution.
//if the implmentation changes, this test may fail.
//TO DO: add to the test all sets of longest unique palindromes.
}
public void TestNumberOfPalindromesOutOfRangeException()
{
string s = "abc";
Exception ex = Assert.Throws <ArgumentOutOfRangeException>(() => LongestUniquePalindromesFinder.GetLongestUniquePalindromes(-1, s));
}
public void TestNullStringPalindromFinderException()
{
string s = null;
Exception ex = Assert.Throws <ArgumentNullException>(() => LongestUniquePalindromesFinder.GetLongestUniquePalindromes(numberOfPalindromes, s));
}
