Adding a SDK Deprecated test

f3d-app · mwestphal · Jul 11, 2023 · Jul 10, 2023 · Jul 10, 2023 · Jul 10, 2023
commit 33ca2c6ee3f3468146a7cf58647f48c633ea3322
diff --git a/library/testing/CMakeLists.txt b/library/testing/CMakeLists.txt
@@ -22,6 +22,10 @@ if(VTK_VERSION VERSION_GREATER 9.0.1)
     TestSDKDynamicLightIntensity.cxx
     TestSDKDynamicProperties.cxx
     )
+  if(NOT F3D_EXCLUDE_DEPRECATED)
+    list(APPEND libf3dSDKTests_list
+         TestSDKImageDeprecated.cxx)
+  endif()
 endif()
 
 # Animation needs https://gitlab.kitware.com/vtk/vtk/-/merge_requests/7246

diff --git a/library/testing/TestSDKImageDeprecated.cxx b/library/testing/TestSDKImageDeprecated.cxx
@@ -0,0 +1,109 @@
+#include <image.h>
+
+#include <algorithm>
+#include <functional>
+#include <iostream>
+#include <random>
+
+int TestSDKImageDeprecated(int argc, char* argv[])
+{
+  constexpr unsigned int width = 64;
+  constexpr unsigned int height = 64;
+  constexpr unsigned int channels = 3;
+
+  std::vector<unsigned char> pixels(width * height * channels);
+
+  // fill with deterministic random values
+  // do not use std::uniform_int_distribution, it's not giving the same result on different
+  // platforms
+  std::mt19937 rand_generator;
+  std::generate(std::begin(pixels), std::end(pixels), [&]() { return rand_generator() % 256; });
+
+  f3d::image generated;
+  generated.setResolution(width, height).setChannelCount(channels).setData(pixels.data());
+  generated.save(std::string(argv[2]) + "TestSDKImageDeprecated.png");
+
+  // test exceptions
+  try
+  {
+    generated.save("/dummy/folder/img.png");
+
+    std::cerr << "An exception has not been thrown when saving to an incorrect path" << std::endl;
+    return EXIT_FAILURE;
+  }
+  catch (const f3d::image::write_exception&)
+  {
+  }
+
+  try
+  {
+    f3d::image img("/dummy/folder/img.png");
+
+    std::cerr << "An exception has not been thrown when reading an incorrect path" << std::endl;
+    return EXIT_FAILURE;
+  }
+  catch (const f3d::image::read_exception&)
+  {
+  }
+
+  f3d::image baseline(std::string(argv[1]) + "/baselines/TestSDKImage.png");
+
+  if (generated.getWidth() != width || generated.getHeight() != height)
+  {
+    std::cerr << "Image has wrong dimensions" << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  if (generated.getChannelCount() != channels)
+  {
+    std::cerr << "Image has wrong number of channels" << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  if (generated.getData() == nullptr)
+  {
+    std::cerr << "Image has no data" << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  if (generated != baseline)
+  {
+    std::cerr << "Generated image is different from the baseline" << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  // test operators
+  f3d::image imgCopy = generated; // copy constructor
+
+  if (imgCopy != generated)
+  {
+    std::cerr << "Copy constructor failed" << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  imgCopy = baseline; // copy assignment
+
+  if (imgCopy != baseline)
+  {
+    std::cerr << "Copy assignment failed" << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  f3d::image imgMove = std::move(imgCopy); // move constructor
+
+  if (imgMove != baseline)
+  {
+    std::cerr << "Move constructor failed" << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  imgCopy = std::move(imgMove); // move assignment
+
+  if (imgCopy != baseline)
+  {
+    std::cerr << "Move assignment failed" << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  return EXIT_SUCCESS;
+}