Fix SDL_surface refcount test and initialise refcount to 1

src/library_sdl.js

@@ -275,6 +275,8 @@ var LibrarySDL = {
       {{{ makeSetValue('surf+Runtime.QUANTUM_SIZE*5', '0', 'buffer', 'void*') }}}      // SDL_Surface.pixels
       {{{ makeSetValue('surf+Runtime.QUANTUM_SIZE*6', '0', '0', 'i32*') }}}      // SDL_Surface.offset
 
+      {{{ makeSetValue('surf+Runtime.QUANTUM_SIZE*14', '0', '1', 'i32') }}}
+
       {{{ makeSetValue('pixelFormat + SDL.structs.PixelFormat.format', '0', '-2042224636', 'i32') }}} // SDL_PIXELFORMAT_RGBA8888
       {{{ makeSetValue('pixelFormat + SDL.structs.PixelFormat.palette', '0', '0', 'i32') }}} // TODO
       {{{ makeSetValue('pixelFormat + SDL.structs.PixelFormat.BitsPerPixel', '0', 'bpp * 8', 'i8') }}}

tests/runner.py

@@ -13173,7 +13173,7 @@ Press any key to continue.'''
       self.btest('sdl_alloctext.c', expected='1', args=['-O2', '-s', 'TOTAL_MEMORY=' + str(1024*1024*8)])
 
     def test_sdl_surface_refcount(self):
-      self.btest('sdl_surface_refcount.c', expected='1')
+      self.btest('sdl_surface_refcount.c', expected='0')
 
     def test_glbegin_points(self):
       shutil.copyfile(path_from_root('tests', 'screenshot.png'), os.path.join(self.get_dir(), 'screenshot.png'))

tests/sdl_surface_refcount.c

@@ -1,14 +1,15 @@
 #include <SDL.h>
+#include <stdio.h>
 
 int main(int argc, char *argv[])
 {
-    SDL_Init(SDL_INIT_VIDEO);
-    SDL_Surface *screen = SDL_SetVideoMode(640, 480, 32, SDL_SWSURFACE);
-    SDL_Surface *reference = screen;
+    SDL_Surface* surface = SDL_CreateRGBSurface(SDL_SWSURFACE, 10, 10, 32,
+                                                0, 0, 0, 0);
+    SDL_Surface *reference = surface;
     reference->refcount++;
-    SDL_FreeSurface(screen);
+    SDL_FreeSurface(surface);
     SDL_FreeSurface(reference);
-    int result = 1;
+    int result = surface->refcount;
     REPORT_RESULT();
     return 0;
 }