tests: handle backends that do not support S16 (WASAPI) correctly.

1 files changed, 20 insertions, 4 deletions

diff --git a/test/test_audio.cpp b/test/test_audio.cpp
index 73e9343..1ee8a87 100644
--- a/test/test_audio.cpp
+++ b/test/test_audio.cpp
@@ -107,6 +107,12 @@ int supports_float32(const char* backend_id)
           strcmp(backend_id, "audiotrack") != 0);
 }
 
+/* The WASAPI backend only supports float. */
+int supports_int16(const char* backend_id)
+{
+  return strcmp(backend_id, "wasapi") != 0;
+}
+
 /* Some backends don't have code to deal with more than mono or stereo. */
 int supports_channel_count(const char* backend_id, int nchannels)
 {
@@ -132,6 +138,7 @@ int run_test(int num_channels, int sampling_rate, int is_float)
   backend_id = cubeb_get_backend_id(ctx);
 
   if ((is_float && !supports_float32(backend_id)) ||
+      (!is_float && !supports_int16(backend_id)) ||
       !supports_channel_count(backend_id, num_channels)) {
     /* don't treat this as a test failure. */
     goto cleanup;
@@ -169,22 +176,30 @@ cleanup:
   return r;
 }
 
-int run_panning_volume_test()
+int run_panning_volume_test(int is_float)
 {
   int r = CUBEB_OK;
 
   cubeb *ctx = NULL;
   synth_state* synth = NULL;
   cubeb_stream *stream = NULL;
+  const char * backend_id = NULL;
 
   r = cubeb_init(&ctx, "Cubeb audio test");
   if (r != CUBEB_OK) {
     fprintf(stderr, "Error initializing cubeb library\n");
     goto cleanup;
   }
+  backend_id = cubeb_get_backend_id(ctx);
+
+  if ((is_float && !supports_float32(backend_id)) ||
+      (!is_float && !supports_int16(backend_id))) {
+    /* don't treat this as a test failure. */
+    goto cleanup;
+  }
 
   cubeb_stream_params params;
-  params.format = CUBEB_SAMPLE_S16NE;
+  params.format = is_float ? CUBEB_SAMPLE_FLOAT32NE : CUBEB_SAMPLE_S16NE;
   params.rate = 44100;
   params.channels = 2;
 
@@ -195,7 +210,7 @@ int run_panning_volume_test()
   }
 
   r = cubeb_stream_init(ctx, &stream, "test tone", params,
-                        100, data_cb_short, state_cb, synth);
+                        100, is_float ? data_cb_float : data_cb_short, state_cb, synth);
   if (r != CUBEB_OK) {
     fprintf(stderr, "Error initializing cubeb stream: %d\n", r);
     goto cleanup;
@@ -263,7 +278,8 @@ void run_channel_rate_test()
 
 int main(int argc, char *argv[])
 {
-  assert(run_panning_volume_test() == CUBEB_OK);
+  assert(run_panning_volume_test(0) == CUBEB_OK);
+  assert(run_panning_volume_test(1) == CUBEB_OK);
   run_channel_rate_test();
 
   return CUBEB_OK;