public void Test_main()
{
//Given a string s, find the length of the longest substring without repeating characters.
ILongestPalindromicSubstring longPalindromicString = CreateMainClass();
string s0 = "babad";
string expectOutput0 = "aba";
Assert.Equal(expectOutput0, longPalindromicString.LongestPalindrome(s0));
string s2 = "cbbd";
string expectResult2 = "bb";
Assert.Equal(expectResult2, longPalindromicString.LongestPalindrome(s2));
string s3 = "a";
string expectResult3 = "a";
Assert.Equal(expectResult3, longPalindromicString.LongestPalindrome(s3));
string s4 = "ac";
string expectResult4 = "a";
Assert.Equal(expectResult4, longPalindromicString.LongestPalindrome(s4));
}
public void Test_mock()
{
//Good mock example
var lsMock = new Mock <ILongestPalindromicSubstring>();
lsMock.Setup(l => l.LongestPalindrome("babad")).Returns("bab");
ILongestPalindromicSubstring mock = lsMock.Object;
string expectResult = "bab";
Assert.Equal(expectResult, mock.LongestPalindrome("babad"));
}
