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Versions: 26
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Stored size: 1.42 KB
Contents
import unittest
from binary_search import binary_search
class BinarySearchTests(unittest.TestCase):
def test_finds_value_in_array_with_one_element(self):
self.assertEqual(0, binary_search([6], 6))
def test_finds_value_in_middle_of_array(self):
self.assertEqual(3, binary_search([1, 3, 4, 6, 8, 9, 11], 6))
def test_finds_value_at_beginning_of_array(self):
self.assertEqual(0, binary_search([1, 3, 4, 6, 8, 9, 11], 1))
def test_finds_value_at_end_of_array(self):
self.assertEqual(6, binary_search([1, 3, 4, 6, 8, 9, 11], 11))
def test_finds_value_in_array_of_odd_length(self):
self.assertEqual(9, binary_search(
[1, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 634], 144))
def test_finds_value_in_array_of_even_length(self):
self.assertEqual(5, binary_search(
[1, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377], 21))
def test_identifies_value_missing(self):
self.assertRaises(ValueError, binary_search, [1, 3, 4, 6, 8, 9, 11], 7)
def test_value_smaller_than_arrays_minimum(self):
self.assertRaises(ValueError, binary_search, [1, 3, 4, 6, 8, 9, 11], 0)
def test_value_larger_than_arrays_maximum(self):
self.assertRaises(ValueError, binary_search, [1, 3, 4, 6, 8, 9, 11], 13)
def test_empty_array(self):
self.assertRaises(ValueError, binary_search, [], 1)
if __name__ == '__main__':
unittest.main()
Version data entries
26 entries across 26 versions & 1 rubygems