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[tests] add test_wrong_params to test-timestretch

--- a/tests/src/effects/test-timestretch.c

+++ b/tests/src/effects/test-timestretch.c

@@ -2,13 +2,15 @@

 #include <aubio.h>

 #include "utils_tests.h"

+int test_wrong_params(void);

+

 int main (int argc, char **argv)

 {

   sint_t err = 0;

-  if (argc < 4) {

-    err = 2;

-    PRINT_ERR("not enough arguments\n");

+  if (argc < 3 || argc >= 9) {

+    PRINT_ERR("wrong number of arguments, running tests\n");

+    err = test_wrong_params();

     PRINT_MSG("usage: %s <input_path> <output_path> <stretch> [transpose] [mode] [hop_size] [samplerate]\n", argv[0]);

     PRINT_MSG(" with <stretch> a time stretching ratio in the range [0.025, 10.]\n");

     PRINT_MSG("      [transpose] a number of semi tones in the range [-24, 24]\n");

@@ -16,7 +18,8 @@

     return err;

   }

-  uint_t samplerate = 0;

+#ifdef HAVE_RUBBERBAND

+  uint_t samplerate = 0; // using source samplerate

   uint_t hop_size = 64;

   smpl_t transpose = 0.;

   smpl_t stretch = 1.;

@@ -27,17 +30,11 @@

   char_t *sink_path = argv[2];

   char_t *mode = "default";

-  stretch = atof(argv[3]);

-

+  if ( argc >= 4 ) stretch = atof(argv[3]);

   if ( argc >= 5 ) transpose = atof(argv[4]);

   if ( argc >= 6 ) mode = argv[5];

   if ( argc >= 7 ) hop_size = atoi(argv[6]);

   if ( argc >= 8 ) samplerate = atoi(argv[7]);

-  if ( argc >= 9 ) {

-    err = 2;

-    PRINT_ERR("too many arguments\n");

-    return err;

-  }

   uint_t source_hopsize = 2048;

   aubio_source_t *s = new_aubio_source(source_path, samplerate, source_hopsize);

@@ -96,5 +93,57 @@

 beach_fvec:

   del_aubio_source(s);

 beach_source:

+#else

+  err = 0;

+  PRINT_ERR("aubio was not compiled with rubberband\n");

+#endif

   return err;

+}

+

+int test_wrong_params(void)

+{

+  const char_t *mode = "default";

+  smpl_t stretch = 1.;

+  uint_t hop_size = 256;

+  uint_t samplerate = 44100;

+

+  if (new_aubio_timestretch("??", stretch, hop_size, samplerate)) return 1;

+  if (new_aubio_timestretch(mode,     41., hop_size, samplerate)) return 1;

+  if (new_aubio_timestretch(mode, stretch,        0, samplerate)) return 1;

+  if (new_aubio_timestretch(mode, stretch, hop_size,          0)) return 1;

+

+  aubio_timestretch_t *p = new_aubio_timestretch(mode, stretch, hop_size,

+      samplerate);

+#ifdef HAVE_RUBBERBAND

+  if (!p) return 1;

+

+  if (aubio_timestretch_get_latency(p) == 0) return 1;

+

+  aubio_timestretch_reset(p);

+

+  if (aubio_timestretch_get_transpose(p) != 0) return 1;

+  if (aubio_timestretch_set_transpose(p, 2.)) return 1;

+  if (fabsf(aubio_timestretch_get_transpose(p) - 2.) >= 1e-6) return 1;

+  if (!aubio_timestretch_set_transpose(p, 200.)) return 1;

+  if (!aubio_timestretch_set_transpose(p, -200.)) return 1;

+  if (aubio_timestretch_set_transpose(p, 0.)) return 1;

+

+  if (aubio_timestretch_get_pitchscale(p) != 1) return 1;

+  if (aubio_timestretch_set_pitchscale(p, 2.)) return 1;

+  if (fabsf(aubio_timestretch_get_pitchscale(p) - 2.) >= 1e-6) return 1;

+  if (!aubio_timestretch_set_pitchscale(p, 0.)) return 1;

+  if (!aubio_timestretch_set_pitchscale(p, 6.)) return 1;

+

+  if (aubio_timestretch_get_stretch(p) != stretch) return 1;

+  if (aubio_timestretch_set_stretch(p, 2.)) return 1;

+  if (fabsf(aubio_timestretch_get_stretch(p) - 2.) >= 1e-6) return 1;

+  if (!aubio_timestretch_set_stretch(p, 0.)) return 1;

+  if (!aubio_timestretch_set_stretch(p, 41.)) return 1;

+

+  del_aubio_timestretch(p);

+#else

+  if (p) return 1;

+#endif

+

+  return run_on_default_source_and_sink(main);

 }