def test_none_9(self):
     self.assertIsNone(to_integer("0o18"))
 def test_equals_2(self):
     self.assertEqual(to_integer("0x123"), 0x123)
 def test_equals(self):
     self.assertEqual(to_integer("123"), 123)
 def test_none_8(self):
     self.assertIsNone(to_integer("0O123"))
 def test_none_5(self):
     self.assertIsNone(to_integer("123\n"))
 def test_none_6(self):
     self.assertIsNone(to_integer("\n123"))
 def test_none_3(self):
     self.assertIsNone(to_integer("0B1010"))
 def test_none_4(self):
     self.assertIsNone(to_integer("0b12"))
 def test_equals_12(self):
     self.assertEqual(to_integer("0xDEADbeef"), 0xDEADBEEF)
 def test_none_2(self):
     self.assertIsNone(to_integer(" 123"))
 def test_equals_11(self):
     self.assertEqual(to_integer("-0b1010"), -0b1010)
 def test_equals_10(self):
     self.assertEqual(to_integer("-0123"), -123)
 def test_equals_9(self):
     self.assertEqual(to_integer("-0o123"), -0o123)
 def test_equals_5(self):
     self.assertEqual(to_integer("0b1010"), 0b1010)
 def test_equals_3(self):
     self.assertEqual(to_integer("0o123"), 0o123)