import unittest
import io
import re
from unittest import mock
import math
import student_X as main #Replace student_X with your filename 
    
    
    
 

class MaxCountTests(unittest.TestCase):

    def test_default_case(self):
        function = main.max_count
        
        test = False
        try:
            incorrect = ""
            result = function.__doc__
            result = result.strip()
            test = incorrect != result
        except:
            pass
        message = "No docstring."
        self.assertTrue(test)

        
        inputs = ('')
        correct = 0
        if isinstance(inputs, tuple):
            result = function(*inputs)
        else:
            result = function(inputs)
        test = result == correct
        message = "Doesn't work on the empty string."
        self.assertTrue(test, message)

        
        inputs = ('abcdefghijklmnop')
        correct = 1
        if isinstance(inputs, tuple):
            result = function(*inputs)
        else:
            result = function(inputs)
        test = result == correct
        message = "Doesn't work when each character appears only once."
        self.assertTrue(test, message)

        
        inputs = ('yy')
        correct = 2
        if isinstance(inputs, tuple):
            result = function(*inputs)
        else:
            result = function(inputs)
        test = result == correct
        message = "Doesn't work on the string 'yy'."
        self.assertTrue(test, message)

        
        inputs = ('yyzyy')
        correct = 4
        if isinstance(inputs, tuple):
            result = function(*inputs)
        else:
            result = function(inputs)
        test = result == correct
        message = "Doesn't work on the string 'yyzyy'."
        self.assertTrue(test, message)

        
        inputs = ('venusaur')
        correct = 2
        if isinstance(inputs, tuple):
            result = function(*inputs)
        else:
            result = function(inputs)
        test = result == correct
        message = "Doesn't work when the highest is 2."
        self.assertTrue(test, message)

        
        inputs = ('abcdabcdabcdabcdd')
        correct = 5
        if isinstance(inputs, tuple):
            result = function(*inputs)
        else:
            result = function(inputs)
        test = result == correct
        message = "Doesn't work when the highest is 5."
        self.assertTrue(test, message)

        
        inputs = ('abcdefgfedcba')
        correct = 2
        if isinstance(inputs, tuple):
            result = function(*inputs)
        else:
            result = function(inputs)
        test = result == correct
        message = "Doesn't work when the highest is 2."
        self.assertTrue(test, message)
        
        
if __name__ == "__main__":
    tests = MaxCountTests()
    tests.test_default_case()