1 files changed, 33 insertions, 0 deletions
diff --git a/tests/sdl_maprgba.c b/tests/sdl_maprgba.c
new file mode 100644
index 00000000..c87c7524
--- /dev/null
+++ b/tests/sdl_maprgba.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <SDL/SDL.h>
+#include <emscripten.h>
+
+int main() {
+  Uint32 c;
+  SDL_Rect rect = {0,0,300,450};
+
+  SDL_Init(SDL_INIT_VIDEO);
+  SDL_Surface *screen = SDL_SetVideoMode(600, 450, 32, SDL_HWSURFACE);
+
+  c = SDL_MapRGB(screen->format, 0xff, 0x00, 0x00); // OPAQUE RED
+  SDL_FillRect(screen, &rect, c);
+  rect.x = 300;
+  c = SDL_MapRGB(screen->format, 0x7f, 0x7f, 0x00); // OPAQUE MUSTARD
+  SDL_FillRect(screen, &rect, c);
+  rect.x = 150;
+  rect.y = 112;
+  rect.w = 300;
+  rect.h = 225;
+  c = SDL_MapRGBA(screen->format, 0xff, 0xff, 0xff, 0xff); // OPAQUE WHITE
+  SDL_FillRect(screen, &rect, c);
+  c = SDL_MapRGBA(screen->format, 0x00, 0x00, 0x00, 0x00); // TRANSPARENT BLACK
+  SDL_FillRect(screen, &rect, c);
+  SDL_UpdateRect(screen, 0, 0, 600, 450);
+
+  printf("The left half should be red and the right half mustard.\n");
+  printf("There should be a white rectangle in the center.\n");
+
+  SDL_Quit();
+
+  return 0;
+}