def test_question_4(self):
self.assertEqual(str(insert(["[-1,3]", "(10,15)"], "[5,10]")), "[[-1, 3], [5, 14]]")
self.assertEqual(str(insert(["[-1,3]", "(10,15)"], "[20,30)")), "[[-1, 3], [11, 14], [20, 29]]")
self.assertEqual(str(insert(["(-1,3]", "(10,15)", "[16,20]", "[22,31)"], "(2,15]")), "[[0, 20], [22, 30]]")
self.assertEqual(str(insert(["(-1,3]", "(10,15)", "[16,20]", "[22,31)"], "[-2,23)")), "[[-2, 30]]")
self.assertEqual(
str(insert(["(-1,3]", "(10,15)", "[16,20]", "[-15,-1)"], "[-2,9)")), "[[-15, 8], [11, 14], [16, 20]]"
)
def test_question_4_Error(self):
with self.assertRaises(ValueError):
value=insert(['()', '[s,n]'], '(1,2)')
with self.assertRaises(ValueError):
value=insert(['()', '[3,4]'], '(1,6)')
def test_question_4(self):
self.assertEqual(str(insert(['[-1,3]', '(10,15)'],'[5,10]')),"[[-1, 3], [5, 14]]");
self.assertEqual(str(insert(['[-1,3]', '(10,15)'],'[20,30)')),"[[-1, 3], [11, 14], [20, 29]]");
self.assertEqual(str(insert(['(-1,3]', '(10,15)', '[16,20]', '[22,31)'],'(2,15]')),"[[0, 20], [22, 30]]");
self.assertEqual(str(insert(['(-1,3]', '(10,15)', '[16,20]', '[22,31)'],'[-2,23)')),"[[-2, 30]]");
self.assertEqual(str(insert(['(-1,3]', '(10,15)', '[16,20]', '[-15,-1)'],'[-2,9)')),"[[-15, 8], [11, 14], [16, 20]]");
#Justify if the intervals are valid
n=len(interval_list);
for i in range(n):
s=interval(interval_list[i])
if str(s)=='The interval is not valid':
break
#The next process will be ignored if no valid interval list has been inputed
if user_list!='quit':
#Change the interval list to a list of interval strings
merge_int=interval_list;
d=len(merge_int);
#Let the author input the insert interval
user_insert=input("Interval? Quit the program by entering quit\n");
#If we do not input quit, we will check the validity of the input interval
while user_insert!='quit':
#If the interval is correct, we will merge the interval and ask next one
s=interval(user_insert);
if str(s)!='The interval is not valid':
merge_int=insert(merge_int,user_insert);
print(merge_int);
d=len(merge_int);
for i in range(d):
merge_int[i]=str(merge_int[i]);
user_insert=input("Please input next interval. Intervals? Quit the program by entering quit\n");
#If the interval is not correct, we will ask the user to re-input until correct or quit
while str(s)=='The interval is not valid':
user_insert=input("The interval is not valid, please input again. Intervals? Quit the program by entering quit\n");
if user_insert=='quit':
break;
s=interval(user_insert);
def test_question_4_Error(self):
with self.assertRaises(ValueError):
value = insert(["()", "[s,n]"], "(1,2)")
with self.assertRaises(ValueError):
value = insert(["()", "[3,4]"], "(1,6)")