text: 
  //
  // This source file is part of appleseed.
  // Visit http://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) 2014-2017 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/global/globaltypes.h"
  #include "renderer/kernel/shading/shadingray.h"
  #include "renderer/modeling/camera/camera.h"
  #include "renderer/modeling/camera/sphericalcamera.h"
  #include "renderer/modeling/entity/onframebeginrecorder.h"
  #include "renderer/modeling/frame/frame.h"
  #include "renderer/modeling/project/project.h"
  #include "renderer/modeling/scene/scene.h"
  #include "renderer/utility/paramarray.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_SphericalCamera)
  {
      TEST_CASE(ProjectPoint)
      {
          auto_release_ptr<Scene> scene(SceneFactory::create());
          scene->cameras().insert(SphericalCameraFactory().create("camera", ParamArray()));
  
          auto_release_ptr<Project> project(ProjectFactory::create("test"));
          project->set_scene(scene);
          project->set_frame(
              FrameFactory::create(
                  "frame",
                  ParamArray()
                      .insert("resolution", "512 512")
                      .insert("camera", "camera")));
  
          bool success = project->get_scene()->on_render_begin(project.ref());
          ASSERT_TRUE(success);
  
          OnFrameBeginRecorder recorder;
          success = project->get_scene()->on_frame_begin(project.ref(), 0, recorder);
          ASSERT_TRUE(success);
  
          const Camera* camera = project->get_scene()->get_active_camera();
  
          SamplingContext::RNGType rng;
          SamplingContext sampling_context(rng, SamplingContext::QMCMode);
  
          ShadingRay ray;
          camera->spawn_ray(sampling_context, Dual2d(Vector2d(1.0, 1.0)), ray);
  
          const Vector3d hit_point = ray.m_org + 3.0 * normalize(ray.m_dir);
  
          Vector2d projected;
          success = camera->project_point(0.0f, hit_point, projected);
  
          ASSERT_TRUE(success);
          EXPECT_FEQ(Vector2d(1.0, 1.0), projected);
  
          recorder.on_frame_end(project.ref());
          project->get_scene()->on_render_end(project.ref());
      }
  }
  