text: #   Copyright (c) 2018 PaddlePaddle Authors. All Rights Reserve.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import paddle.v2.fluid.core
  import unittest
  
  
  class TestScope(unittest.TestCase):
      def test_create_destroy(self):
          paddle_c = paddle.v2.fluid.core
          scope = paddle_c.Scope()
          self.assertIsNotNone(scope)
          scope_with_parent = scope.new_scope()
          self.assertIsNotNone(scope_with_parent)
  
      def test_none_variable(self):
          paddle_c = paddle.v2.fluid.core
          scope = paddle_c.Scope()
          self.assertIsNone(scope.find_var("test"))
  
      def test_create_var_get_var(self):
          paddle_c = paddle.v2.fluid.core
          scope = paddle_c.Scope()
          var_a = scope.var("var_a")
          self.assertIsNotNone(var_a)
          self.assertIsNotNone(scope.find_var('var_a'))
          scope2 = scope.new_scope()
          self.assertIsNotNone(scope2.find_var('var_a'))
  
      def test_var_get_int(self):
          paddle_c = paddle.v2.fluid.core
          scope = paddle_c.Scope()
          var = scope.var("test_int")
          var.set_int(10)
          self.assertTrue(var.is_int())
          self.assertEqual(10, var.get_int())
  
  
  if __name__ == '__main__':
      unittest.main()
  