tests: create browser.test_sdl2_threads

Author: jakogut

tests/sdl2_threads.c

@@ -0,0 +1,30 @@
+#include <SDL.h>
+#include <assert.h>
+
+#ifdef __EMSCRIPTEN__
+#include <emscripten.h>
+#endif
+
+static int test_thread(void *data)
+{
+	return 2 + 2;
+}
+
+int main()
+{
+	SDL_Thread *thread;
+	int result;
+
+	thread = SDL_CreateThread(test_thread, "Test Thread", (void *)NULL);
+
+	if (NULL == thread) {
+		return 1;
+	} else {
+		SDL_WaitThread(thread, &result);
+	}
+
+#ifdef REPORT_RESULT
+	REPORT_RESULT(result);
+#endif
+	return 0;
+}

tests/test_browser.py

@@ -2984,6 +2984,10 @@ def test_sdl2_mouse_offsets(self):
     run_process([PYTHON, EMCC, 'sdl2_mouse.c', '-DTEST_SDL_MOUSE_OFFSETS=1', '-O2', '--minify', '0', '-o', 'sdl2_mouse.js', '--pre-js', 'pre.js', '-s', 'USE_SDL=2'])
     self.run_browser('page.html', '', '/report_result?1')
 
+  @requires_threads
+  def test_sdl2_threads(self):
+      self.btest('sdl2_threads.c', expected='4', args=['-s', 'USE_PTHREADS=1', '-s', 'USE_SDL=2', '-s', 'PROXY_TO_PTHREAD=1'])
+
   @requires_graphics_hardware
   def test_sdl2glshader(self):
     self.btest('sdl2glshader.c', reference='sdlglshader.png', args=['-s', 'USE_SDL=2', '-O2', '--closure', '1', '-g1', '-s', 'LEGACY_GL_EMULATION=1'])