Added test to make sure channel allocation failed when it

was exhausted.

To run it:

    python tests/runner.py browser.test_sdl_audio_mix_channels

1 files changed, 59 insertions, 0 deletions

diff --git a/tests/sdl_audio_mix_channels.c b/tests/sdl_audio_mix_channels.c
new file mode 100644
index 00000000..dd91d594
--- /dev/null
+++ b/tests/sdl_audio_mix_channels.c
@@ -0,0 +1,59 @@
+#include <stdio.h>
+#include <SDL/SDL.h>
+#include <SDL/SDL_mixer.h>
+#include <assert.h>
+#include <emscripten.h>
+
+static Mix_Chunk *sound = NULL;
+static Mix_Chunk *noiseLoop = NULL;
+static Mix_Music *music = NULL;
+
+static int soundChannel = 0;
+static int noiseLoopChannel = 0;
+
+static const int kNumChannels = 40;
+
+static int loadAndPlay()
+{
+  return Mix_PlayChannel(-1, sound, -1);
+}
+
+int main(int argc, char **argv) {
+  SDL_Init(SDL_INIT_AUDIO);
+  Mix_Init(MIX_INIT_OGG);
+
+  int ret = Mix_OpenAudio(0, 0, 0, 0); // we ignore all these..
+  assert(ret == 0);
+
+  Mix_AllocateChannels(kNumChannels);
+
+  sound = Mix_LoadWAV("sound.ogg");
+
+  // allocate all the channels
+  for ( int i = 0; i < kNumChannels; i++ )
+  {
+    assert(loadAndPlay() != -1);
+  }
+
+    // This point, we should have exhausted our channels
+
+
+
+
+  int lastChannel = loadAndPlay();
+
+#if EMSCRIPTEN
+  int result = (lastChannel == -1);
+  REPORT_RESULT();
+#endif
+
+  assert(lastChannel == -1);
+
+  // force a quit
+  while(Mix_Init(0))
+    Mix_Quit();
+  Mix_CloseAudio();
+
+  return 0;
+}
+