from lengthOfLongestSubstring import lengthOfLongestSubstring
def test_func():
 a = "abcabcbb"
 b = "bbbbb"
 c = "pwwkew"
 d = "aab"
 e = "abb"
 f = ""
 g = "a"
 h = "uqinntq"

 assert lengthOfLongestSubstring(a)==3
 assert lengthOfLongestSubstring(b)==1
 assert lengthOfLongestSubstring(c)==3
 assert lengthOfLongestSubstring(d)==2
 assert lengthOfLongestSubstring(e)==2
 assert lengthOfLongestSubstring(f)==0
 assert lengthOfLongestSubstring(g)==1
 assert lengthOfLongestSubstring(h)==4
def main():
 test1_string = "abcabcbb"
 test_string = "uqinntq"
 print(lengthOfLongestSubstring(test1_string))
if __name__ == "__main__":
 main()