Core (Tests): Add test for BMP image loading.

Author: kaixiong

libvisual/tests/images/additive-colors-indexed8.bmp

@@ -58,13 +58,8 @@ namespace
   LV::VideoPtr load_raw_indexed_image (std::filesystem::path const& image_path,
                                        std::filesystem::path const& palette_path,
                                        int width,
-                                       int height,
-                                       VisVideoDepth depth)
+                                       int height)
   {
-      if (depth != VISUAL_VIDEO_DEPTH_24BIT) {
-          return nullptr;
-      }
-
       auto image {LV::Video::create (width, height, VISUAL_VIDEO_DEPTH_8BIT)};
 
       std::size_t const content_bytes_per_row = image->get_width () * image->get_bpp ();
@@ -89,28 +84,34 @@ namespace
       }
       image->set_palette (palette.value());
 
-      auto final_image {LV::Video::create (image->get_width(), image->get_height(), VISUAL_VIDEO_DEPTH_24BIT)};
-      final_image->convert_depth(image);
-
-      return final_image;
+      return image;
   }
 
   void test_load_indexed8 ()
   {
+      auto bmp_image {LV::Video::create_from_file ("../images/additive-colors-indexed8.bmp")};
+      LV_TEST_ASSERT (bmp_image);
+
       auto png_image {LV::Video::create_from_file ("../images/additive-colors-indexed8.png")};
       LV_TEST_ASSERT (png_image);
 
       auto raw_image {load_raw_indexed_image ("../images/additive-colors-indexed8.raw",
                                               "../images/additive-colors-indexed8.raw.pal",
                                               png_image->get_width (),
-                                              png_image->get_height (),
-                                              VISUAL_VIDEO_DEPTH_24BIT)};
+                                              png_image->get_height ())};
 
-      LV_TEST_ASSERT (png_image->has_same_content (raw_image));
+      auto raw_image_rgb24 {LV::Video::create (raw_image->get_width(), raw_image->get_height(), VISUAL_VIDEO_DEPTH_24BIT)};
+      raw_image_rgb24->convert_depth(raw_image);
+
+      LV_TEST_ASSERT (bmp_image->has_same_content (raw_image));
+      LV_TEST_ASSERT (png_image->has_same_content (raw_image_rgb24));
   }
 
   void test_load_rgb24 ()
   {
+      auto bmp_image {LV::Video::create_from_file ("../images/additive-colors-rgb24.bmp")};
+      LV_TEST_ASSERT (bmp_image);
+
       auto png_image {LV::Video::create_from_file ("../images/additive-colors-rgb24.png")};
       LV_TEST_ASSERT (png_image);
 
@@ -119,6 +120,7 @@ namespace
                                       png_image->get_height (),
                                       VISUAL_VIDEO_DEPTH_24BIT)};
 
+      LV_TEST_ASSERT (bmp_image->has_same_content (raw_image));
       LV_TEST_ASSERT (png_image->has_same_content (raw_image));
   }