def test_tens(self):
self.assertEqual("ten", number_in_english(10))
self.assertEqual("twenty", number_in_english(20))
self.assertEqual("thirty", number_in_english(30))
self.assertEqual("forty", number_in_english(40))
self.assertEqual("fifty", number_in_english(50))
self.assertEqual("sixty", number_in_english(60))
self.assertEqual("seventy", number_in_english(70))
self.assertEqual("eighty", number_in_english(80))
self.assertEqual("ninety", number_in_english(90))
def test_teens(self):
self.assertEqual("eleven", number_in_english(11))
self.assertEqual("twelve", number_in_english(12))
self.assertEqual("thirteen", number_in_english(13))
self.assertEqual("fourteen", number_in_english(14))
self.assertEqual("fifteen", number_in_english(15))
self.assertEqual("sixteen", number_in_english(16))
self.assertEqual("seventeen", number_in_english(17))
self.assertEqual("eighteen", number_in_english(18))
self.assertEqual("nineteen", number_in_english(19))
def test_single_digits(self):
self.assertEqual("one", number_in_english(1))
self.assertEqual("two", number_in_english(2))
self.assertEqual("three", number_in_english(3))
self.assertEqual("four", number_in_english(4))
self.assertEqual("five", number_in_english(5))
self.assertEqual("six", number_in_english(6))
self.assertEqual("seven", number_in_english(7))
self.assertEqual("eight", number_in_english(8))
self.assertEqual("nine", number_in_english(9))
def test_large_numbers(self):
self.assertEqual(
"nine hundred ninety nine thousand nine hundred ninety eight",
number_in_english(999998))
self.assertEqual("twelve million forty three",
number_in_english(12000043))
self.assertEqual(
"ten million five hundred twenty six thousand six hundred thirty three",
number_in_english(10526633))
self.assertEqual(
"three million five hundred sixty thousand seventy eight",
number_in_english(3560078))
self.assertEqual("one billion", number_in_english(1000000000))
self.assertEqual(
"nine billion nine hundred eighty three million one hundred thousand two hundred twenty five",
number_in_english(9983100225))
self.assertEqual(
"nine billion nine hundred ninety nine million nine hundred ninety nine thousand nine hundred ninety nine",
number_in_english(9999999999))
def test_thousands(self):
self.assertEqual("one thousand", number_in_english(1000))
self.assertEqual("two thousand", number_in_english(2000))
self.assertEqual("three thousand", number_in_english(3000))
self.assertEqual("four thousand", number_in_english(4000))
self.assertEqual("five thousand", number_in_english(5000))
self.assertEqual("six thousand", number_in_english(6000))
self.assertEqual("seven thousand", number_in_english(7000))
self.assertEqual("eight thousand", number_in_english(8000))
self.assertEqual("nine thousand", number_in_english(9000))
self.assertEqual("two thousand one hundred twenty five",
number_in_english(2125))
self.assertEqual("nine thousand four hundred sixty eight",
number_in_english(9468))
self.assertEqual("three thousand nine hundred ten",
number_in_english(3910))
self.assertEqual("seventy six thousand three hundred ninety two",
number_in_english(76392))
self.assertEqual("five hundred five thousand seven hundred twenty",
number_in_english(505720))
def test_hundreds(self):
self.assertEqual("one hundred", number_in_english(100))
self.assertEqual("two hundred", number_in_english(200))
self.assertEqual("three hundred", number_in_english(300))
self.assertEqual("four hundred", number_in_english(400))
self.assertEqual("five hundred", number_in_english(500))
self.assertEqual("six hundred", number_in_english(600))
self.assertEqual("seven hundred", number_in_english(700))
self.assertEqual("eight hundred", number_in_english(800))
self.assertEqual("nine hundred", number_in_english(900))
self.assertEqual("one hundred twenty five", number_in_english(125))
self.assertEqual("four hundred sixty eight", number_in_english(468))
self.assertEqual("nine hundred ten", number_in_english(910))