text: //
  // Copyright 2016 Pixar
  //
  // Licensed under the Apache License, Version 2.0 (the "Apache License")
  // with the following modification; you may not use this file except in
  // compliance with the Apache License and the following modification to it:
  // Section 6. Trademarks. is deleted and replaced with:
  //
  // 6. Trademarks. This License does not grant permission to use the trade
  //    names, trademarks, service marks, or product names of the Licensor
  //    and its affiliates, except as required to comply with Section 4(c) of
  //    the License and to reproduce the content of the NOTICE file.
  //
  // You may obtain a copy of the Apache License at
  //
  //     http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the Apache License with the above modification is
  // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied. See the Apache License for the specific
  // language governing permissions and limitations under the Apache License.
  //
  
  #include "pxr/pxr.h"
  #include "pxr/base/tf/regTest.h"
  #include "pxr/base/tf/scopeDescription.h"
  
  #include <string>
  #include <vector>
  
  using std::string;
  using std::vector;
  PXR_NAMESPACE_USING_DIRECTIVE
  
  static bool
  Test_TfScopeDescription()
  {
      vector<string> stack;
      
      TF_AXIOM(TfGetCurrentScopeDescriptionStack().empty());
      
      {
          TF_DESCRIBE_SCOPE("one");
          
          stack = TfGetCurrentScopeDescriptionStack();
          TF_AXIOM(stack.size() == 1 && stack.back() == "one");
          
          {
              TF_DESCRIBE_SCOPE("two");
              
              stack = TfGetCurrentScopeDescriptionStack();
              TF_AXIOM(stack.size() == 2 && stack.back() == "two");
              
          }
          
          stack = TfGetCurrentScopeDescriptionStack();
          TF_AXIOM(stack.size() == 1 && stack.back() == "one");
          {
              TF_DESCRIBE_SCOPE("%s", "three");
              
              stack = TfGetCurrentScopeDescriptionStack();
              TF_AXIOM(stack.size() == 2 && stack.back() == "three");
              
          }
          
          stack = TfGetCurrentScopeDescriptionStack();
          TF_AXIOM(stack.size() == 1 && stack.back() == "one");
          
      }
      
      TF_AXIOM(TfGetCurrentScopeDescriptionStack().empty());
      
      return true;
  };
  
  
  TF_ADD_REGTEST(TfScopeDescription);
  