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

class GetSortedCopyTests(unittest.TestCase):

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

        
        inputs = (["bagel"])
        original = copy.deepcopy(inputs)
        correct = ["bagel"]
        if isinstance(inputs, tuple):
            result = function(*inputs)
        else:
            result = function(inputs)
        test = result == correct
        message = "Doesn't work on a single-element list."
        self.assertTrue(test, message)
        test = inputs == original
        message = "It modified the parameter, which it shouldn't do."
        self.assertTrue(test, message)

        
        inputs = (["cheese", "weasel"])
        original = copy.deepcopy(inputs)
        correct = ["cheese", "weasel"]
        if isinstance(inputs, tuple):
            result = function(*inputs)
        else:
            result = function(inputs)
        test = result == correct
        message = "Doesn't work on a list that's already sorted."
        self.assertTrue(test, message)
        test = inputs == original
        message = "It modified the parameter, which it shouldn't do."
        self.assertTrue(test, message)

        
        inputs = (["cheese", "banana"])
        original = copy.deepcopy(inputs)
        correct = ["banana", "cheese"]
        if isinstance(inputs, tuple):
            result = function(*inputs)
        else:
            result = function(inputs)
        test = result == correct
        message = "Doesn't work on a list with two elements that's out of order."
        self.assertTrue(test, message)
        test = inputs == original
        message = "It modified the parameter, which it shouldn't do."
        self.assertTrue(test, message)

        
        inputs = (["seawolf", "wolf", "dog", "hound", "fox", "walrus"])
        original = copy.deepcopy(inputs)
        correct = ["dog", "fox", "hound", "seawolf", "walrus", "wolf"]
        if isinstance(inputs, tuple):
            result = function(*inputs)
        else:
            result = function(inputs)
        test = result == correct
        message = "Doesn't return a sorted version of the list."
        self.assertTrue(test, message)
        test = inputs == original
        message = "It modified the parameter, which it shouldn't do."
        self.assertTrue(test, message)
        
        
if __name__ == "__main__":
    tests = GetSortedCopyTests()
    tests.test_default_case()