root/modules/videoio/test/

[..]
  1. test_basic_props.cpp
  2. test_ffmpeg.cpp
  3. test_fourcc.cpp
  4. test_framecount.cpp
  5. test_main.cpp
  6. test_positioning.cpp
  7. test_precomp.hpp
  8. test_video_io.cpp
  9. test_video_pos.cpp
[..]