old_contents: """Tests for fullqualname."""
  
  import inspect
  import nose
  import sys
  
  from fullqualname import fullqualname
  
  
  def test_builtin_function():
      # Test built-in function object.
  
      obj = len
  
      # Type is 'builtin_function_or_method'.
      assert type(obj).__name__ == 'builtin_function_or_method'
  
      # Object is a function.
      assert 'built-in function' in repr(obj)
  
      if sys.version_info >= (3, ):
          expected = 'builtins.len'
      else:
          expected = '__builtin__.len'
  
      nose.tools.assert_equals(fullqualname(obj), expected)
  
  
  def test_builtin_method():
      # Test built-in method object.
  
      obj = [1, 2, 3].append
  
      # Object type is 'builtin_function_or_method'.
      assert type(obj).__name__ == 'builtin_function_or_method'
  
      # Object is a method.
      assert 'built-in method' in repr(obj)
  
      # Object __self__ attribute is not a class.
      assert not inspect.isclass(obj.__self__)
  
      if sys.version_info >= (3, ):
          expected = 'builtins.list.append'
      else:
          expected = '__builtin__.list.append'
  
      nose.tools.assert_equals(fullqualname(obj), expected)
  
new_contents: """Tests for fullqualname."""
  
  import inspect
  import nose
  import sys
  
  from fullqualname import fullqualname
  
  
  def test_builtin_function():
      # Test built-in function object.
  
      obj = len
  
      # Type is 'builtin_function_or_method'.
      assert type(obj).__name__ == 'builtin_function_or_method'
  
      # Object is a function.
      assert 'built-in function' in repr(obj)
  
      if sys.version_info >= (3, ):
          expected = 'builtins.len'
      else:
          expected = '__builtin__.len'
  
      nose.tools.assert_equals(fullqualname(obj), expected)
  
  
  def test_builtin_method():
      # Test built-in method object.
  
      obj = [1, 2, 3].append
  
      # Object type is 'builtin_function_or_method'.
      assert type(obj).__name__ == 'builtin_function_or_method'
  
      # Object is a method.
      assert 'built-in method' in repr(obj)
  
      # Object __self__ attribute is not a class.
      assert not inspect.isclass(obj.__self__)
  
      if sys.version_info >= (3, ):
          expected = 'builtins.list.append'
      else:
          expected = '__builtin__.list.append'
  
      nose.tools.assert_equals(fullqualname(obj), expected)
  
  
  def test_builtin_classmethod():
      # Test built-in class method object.
  
      obj = object.mro
  
      # Object type is 'builtin_function_or_method'.
      assert type(obj).__name__ == 'builtin_function_or_method'
  
      # Object is a method.
      assert 'built-in method' in repr(obj)
  
      # Object __self__ attribute is a class.
      assert inspect.isclass(obj.__self__)
  
      if sys.version_info >= (3, ):
          expected = 'builtins.object.mro'
      else:
          expected = '__builtin__.object.mro'
  
      nose.tools.assert_equals(fullqualname(obj), expected)
  
subject: Add built-in class method object test