def test_example_1(self):
"""Tests the given example"""
_input = [1, 2, 3, 4, 5]
expected = [1, 5, 2, 4, 3]
actual = interleave(_input)
self.assertEqual(expected, actual)
def test_empty_input(self):
"""Tests the case where the input is an empty array"""
_input = []
expected = []
actual = interleave(_input)
self.assertEqual(expected, actual)
def test_null_input(self):
"""Tests the case where the input is null"""
_input = None
expected = []
actual = interleave(_input)
self.assertEqual(expected, actual)
def test_example_3(self):
"""Tests the given example"""
_input = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]
expected = [1, 11, 2, 10, 3, 9, 4, 8, 5, 7, 6]
actual = interleave(_input)
self.assertEqual(expected, actual)