def test(self):
self.assertEqual(remove_smallest([1, 2, 3, 4, 5]), [2, 3, 4, 5],
"Wrong result for [1, 2, 3, 4, 5]")
self.assertEqual(remove_smallest([1, 2, 3, 4]), [2, 3, 4],
"Wrong result for [1, 2, 3, 4]")
self.assertEqual(remove_smallest([5, 3, 2, 1, 4]), [5, 3, 2, 4],
"Wrong result for [5, 3, 2, 1, 4]")
self.assertEqual(remove_smallest([1, 2, 3, 1, 1]), [2, 3, 1, 1],
"Wrong result for [1, 2, 3, 1, 1]")
self.assertEqual(remove_smallest([]), [], "Wrong result for []")
def test_remove_smallest(self):
self.assertEqual(remove_smallest([1, 2, 3, 4, 5]), [2, 3, 4, 5])
self.assertEqual(remove_smallest([5, 3, 2, 1, 4]), [5, 3, 2, 4])
self.assertEqual(remove_smallest([2, 2, 1, 2, 1]), [2, 2, 2, 1])
self.assertEqual(remove_smallest([3, 1, 6, 7, 3, 7, 6]), [3, 6, 7, 3, 7, 6])
self.assertEqual(remove_smallest([4, 4, 4, 1]), [4, 4, 4])
self.assertEqual(remove_smallest([5, 4, 5, 3, 1, 1]), [5, 4, 5, 3, 1])
self.assertEqual(remove_smallest([1, 5, 3]), [5, 3])
self.assertEqual(remove_smallest([]), [])
self.assertEqual(remove_smallest([6, 2, 5, 4, 8, 6, 3, 2, 7]), [6, 5, 4, 8, 6, 3, 2, 7])
self.assertEqual(remove_smallest([3]), [])
def test_rand(self):
from numpy.random import randint
from random import choice
def randlist():
return list(randint(400, size=randint(1, 10)))
def solution(numbers):
if not numbers: return numbers
numbers = numbers[:]
numbers.remove(min(numbers))
return numbers
for _ in range(10):
x = randint(1, 400)
self.assertEqual(remove_smallest([x]), [],
"Wrong result for [{}]".format(x))
for _ in range(10):
arr = randlist()
if randint(0, 1): arr[randint(0, len(arr) - 1)] = min(arr)
self.assertEqual(len(remove_smallest(arr[:])),
len(arr) - 1,
"Wrong sized result for {}".format(arr))
a = randlist() # generates the list
b = list(a) # makes a swallow copy
remove_smallest(a) # uses the original list with the function
self.assertEqual(a, b,
"You've mutated input list") # test the list match
for _ in range(20):
arr = randlist()
self.assertEqual(remove_smallest(arr[:]), solution(arr),
"Wrong result for {}".format(arr))
def test_simple_ones():
assert remove_smallest([1, 2, 3, 4, 5]) == [2, 3, 4, 5]
assert remove_smallest([1, 2, 3, 4]) == [2, 3, 4]
assert remove_smallest([5, 3, 2, 1, 4]) == [5, 3, 2, 4]
assert remove_smallest([1, 2, 3, 1, 1]) == [2, 3, 1, 1]
assert remove_smallest([]) == []
def test_returns_list_that_misses_only_one_element():
for i in range(10):
arr = randlist()
assert len(remove_smallest(arr[:])) == len(arr) - 1
def test_returns_empty_list_if_only_one_element():
for i in range(10):
x = randint(1, 400)
assert remove_smallest([x]) == []