new_contents: # -*- coding: utf-8 -*-
  """
      Basic CLexer Test
      ~~~~~~~~~~~~~~~~~
  
      :copyright: Copyright 2006-2014 by the Pygments team, see AUTHORS.
      :license: BSD, see LICENSE for details.
  """
  
  import unittest
  import os
  
  from pygments.token import Token
  from pygments.lexers import ObjectiveCLexer
  
  
  class ObjectiveCLexerTest(unittest.TestCase):
  
      def setUp(self):
          self.lexer = ObjectiveCLexer()
  
      def testLiteralNumberInt(self):
          fragment = u'@(1);\n'
          expected = [
              (Token.Text, u''),
              (Token.Literal, u'@('),
              (Token.Literal.Number.Integer, u'1'),
              (Token.Literal, u')'),
              (Token.Punctuation, u';'),
              (Token.Text, u'\n'),
              (Token.Text, u''),
          ]
          self.assertEqual(expected, list(self.lexer.get_tokens(fragment)))
  
      def testLiteralNumberExpression(self):
          fragment = u'@(1+2);\n'
          expected = [
              (Token.Text, u''),
              (Token.Literal, u'@('),
              (Token.Literal.Number.Integer, u'1'),
              (Token.Operator, u'+'),
              (Token.Literal.Number.Integer, u'2'),
              (Token.Literal, u')'),
              (Token.Punctuation, u';'),
              (Token.Text, u'\n'),
              (Token.Text, u''),
          ]
          self.assertEqual(expected, list(self.lexer.get_tokens(fragment)))
  
      def testLiteralNumberNestedExpression(self):
          fragment = u'@(1+(2+3));\n'
          expected = [
              (Token.Text, u''),
              (Token.Literal, u'@('),
              (Token.Literal.Number.Integer, u'1'),
              (Token.Operator, u'+'),
              (Token.Punctuation, u'('),
              (Token.Literal.Number.Integer, u'2'),
              (Token.Operator, u'+'),
              (Token.Literal.Number.Integer, u'3'),
              (Token.Punctuation, u')'),
              (Token.Literal, u')'),
              (Token.Punctuation, u';'),
              (Token.Text, u'\n'),
              (Token.Text, u''),
          ]
          self.assertEqual(expected, list(self.lexer.get_tokens(fragment)))
  
      def testLiteralNumberBool(self):
          fragment = u'@NO;\n'
          expected = [
              (Token.Text, u''),
              (Token.Literal.Number, u'@NO'),
              (Token.Punctuation, u';'),
              (Token.Text, u'\n'),
              (Token.Text, u''),
          ]
          self.assertEqual(expected, list(self.lexer.get_tokens(fragment)))
  
      def testLieralNumberBoolExpression(self):
          fragment = u'@(YES);\n'
          expected = [
              (Token.Text, u''),
              (Token.Literal, u'@('),
              (Token.Name.Builtin, u'YES'),
              (Token.Literal, u')'),
              (Token.Punctuation, u';'),
              (Token.Text, u'\n'),
              (Token.Text, u''),
          ]
          self.assertEqual(expected, list(self.lexer.get_tokens(fragment)))
  
subject: Add Objective-C unit tests