def test_equals_2(self):
     self.assertEqual(to_cents('$99.99'), 9999)
 def test_none_8(self):
     self.assertIsNone(to_cents('$9.692'))
 def test_equals(self):
     self.assertEqual(to_cents('$1.23'), 123)
 def test_none_6(self):
     self.assertIsNone(to_cents('\n$1.23'))
 def test_none_7(self):
     self.assertIsNone(to_cents('$9.69$4.3.7'))
 def test_none_4(self):
     self.assertIsNone(to_cents('$1'))
 def test_none_5(self):
     self.assertIsNone(to_cents('$1.23\n'))
 def test_none_2(self):
     self.assertIsNone(to_cents('1'))
 def test_none_3(self):
     self.assertIsNone(to_cents('1.23'))
 def test_equals_7(self):
     self.assertEqual(to_cents('$0.69'), 69)
 def test_equals_6(self):
     self.assertEqual(to_cents('$9.71'), 971)
 def test_equals_5(self):
     self.assertEqual(to_cents('$9.70'), 970)
 def test_equals_4(self):
     self.assertEqual(to_cents('$9.69'), 969)
 def test_equals_3(self):
     self.assertEqual(to_cents('$12345678.90'), 1234567890)