text: 
  //
  // This source file is part of appleseed.
  // Visit https://appleseedhq.net/ for additional information and resources.
  //
  // This software is released under the MIT license.
  //
  // Copyright (c) 2010-2013 Francois Beaune, Jupiter Jazz Limited
  // Copyright (c) 2014-2018 Francois Beaune, The appleseedhq Organization
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  //
  
  // appleseed.renderer headers.
  #include "renderer/modeling/camera/camera.h"
  #include "renderer/modeling/camera/pinholecamera.h"
  #include "renderer/utility/projectpoints.h"
  
  // appleseed.foundation headers.
  #include "foundation/math/vector.h"
  #include "foundation/utility/autoreleaseptr.h"
  #include "foundation/utility/iostreamop.h"
  #include "foundation/utility/test.h"
  
  using namespace foundation;
  using namespace renderer;
  
  TEST_SUITE(Renderer_Modeling_Camera_PinholeCamera)
  {
      TEST_CASE(ProjectPoint_GivenIdentityCameraAndPointArgumentIsOnZAxis_ReturnsCenterOfImagePlane)
      {
          auto_release_ptr<Camera> camera(
              PinholeCameraFactory().create(
                  "camera",
                  ParamArray()
                      .insert("film_width", "0.025")
                      .insert("film_height", "0.025")
                      .insert("focal_length", "0.035")));
  
          const ProjectPoints proj(camera, Vector2u(512, 512));
          ASSERT_TRUE(proj.is_initialized());
  
          Vector2d projected;
          const bool success = proj.project_point(0.0f, Vector3d(0.0, 0.0, -1.0), projected);
  
          ASSERT_TRUE(success);
          EXPECT_FEQ(Vector2d(0.5, 0.5), projected);
      }
  }
  