def test_simple_7(self):
arr = [1, 3, 2, 1, 0]
result = histogram.squares(arr)
expected = 0
self.assertEqual(expected, result)
def test_example(self):
arr = [2, 5, 1, 2, 3, 4, 7, 7, 6]
result = histogram.squares(arr)
expected = 10
self.assertEqual(expected, result)
def test_simple_6(self):
arr = [5, 1, 3, 2, 4, 3, 2, 1, 2]
result = histogram.squares(arr)
expected = 6
self.assertEqual(expected, result)
def test_simple_5(self):
arr = [2, 3, 4, 5, 1, 3, 7, 9, 10, 5, 6, 7, 9]
result = histogram.squares(arr)
expected = 9
self.assertEqual(expected, result)
def test_simple_4(self):
arr = [5, 5, 5, 5]
result = histogram.squares(arr)
expected = 0
self.assertEqual(expected, result)
def test_simple_3(self):
arr = [3, 1, 2]
result = histogram.squares(arr)
expected = 1
self.assertEqual(expected, result)
