text: import unittest
  import sys
  from lexer.lexer import Lexer
  
  
  class StringTokenTest(unittest.TestCase):
  
      def test_basic_string(self):
          self.assertEqual(
              Lexer('"Basic string"').get_next_token().test(),
              '<STRING="Basic string">')
  
      def test_basic_L_string(self):
          self.assertEqual(
                Lexer('L"Basic string"').get_next_token().test(),
                '<STRING=L"Basic string">')
  
      def test_basic_escaped_string(self):
          self.assertEqual(
                Lexer('"Basic \\"string\\""').get_next_token().test(),
                '<STRING="Basic \\"string\\"">')
  
      def test_escaped_string(self):
          self.assertEqual(
                Lexer('"Escaped \\\\\\"string\\\\\\\\\\\"\\\\"').get_next_token()
                .test(),
                '<STRING="Escaped \\\\\\"string\\\\\\\\\\\"\\\\">')
  
  
  if __name__ == '__main__':
      unittest.main()
  