add tests for SDL_GetRGB and SDL_GetRGBA

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/sdl_maprgba.c b/tests/sdl_maprgba.c
index 4b5c0026..615f02c5 100644
--- a/tests/sdl_maprgba.c
+++ b/tests/sdl_maprgba.c
@@ -1,25 +1,45 @@
 #include <stdio.h>
 #include <SDL/SDL.h>
+#include <assert.h>
 
 int main() {
   Uint32 c;
+  Uint8 r, g, b, a;
   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_GetRGB(c, screen->format, &r, &g, &b);
+  assert(r == 0xff);
+  assert(g == 0x00);
+  assert(b == 0x00);
   SDL_FillRect(screen, &rect, c);
   rect.x = 300;
   c = SDL_MapRGB(screen->format, 0x7f, 0x7f, 0x00); // OPAQUE MUSTARD
+  SDL_GetRGB(c, screen->format, &r, &g, &b);
+  assert(r == 0x7f);
+  assert(g == 0x7f);
+  assert(b == 0x00);
   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_GetRGBA(c, screen->format, &r, &g, &b, &a);
+  assert(r == 0xff);
+  assert(g == 0xff);
+  assert(b == 0xff);
+  assert(a == 0xff);
   SDL_FillRect(screen, &rect, c);
   c = SDL_MapRGBA(screen->format, 0x00, 0x00, 0x00, 0x00); // TRANSPARENT BLACK
+  SDL_GetRGBA(c, screen->format, &r, &g, &b, &a);
+  assert(r == 0x00);
+  assert(g == 0x00);
+  assert(b == 0x00);
+  assert(a == 0x00);
   SDL_FillRect(screen, &rect, c);
   SDL_UpdateRect(screen, 0, 0, 600, 450);