new_contents: from i8c.tests import TestCase
  from i8c.exceptions import NameAnnotatorError
  
  SOURCE = """\
  define %s::test_reserved_provider returns ptr
      extern ptr __some_symbol
  """
  
  class TestReservedProvider(TestCase):
      """Check that reserved provider names are rejected."""
  
      def test_reserved_provider(self):
          """Check that reserved provider names are rejected."""
          for provider in ("test", "libpthread", "i8test",
                           "i8core", "i8", "hello"):
              source = SOURCE % provider
              if provider.startswith("i8"):
                  self.assertRaises(NameAnnotatorError, self.compile, source)
              else:
                  tree, output = self.compile(source)
                  self.assertEqual([], output.operations)
  
subject: Check reserved provider names are rejected