[tests] improve test-filter coverage

[aubio.git] / tests / src / test-delnull.c

diff --git a/tests/src/test-delnull.c b/tests/src/test-delnull.c
index 1c7ecd8..bb24509 100644 (file)
--- a/tests/src/test-delnull.c
+++ b/tests/src/test-delnull.c
@@ -1,13 +1,24 @@
 #include <stdlib.h>
-#include <aubio.h>
+#include "aubio.h"
 
-// Because aubio does not check for double free, this program will crash.
-// Programs that call these functions should check for null pointers.
+// When creating an aubio object, the user should check whether the object is
+// set NULL, indicating the creation failed and the object was not allocated.
 
 int main (void)
 {
-  del_fvec(NULL);
-  del_lvec(NULL);
-  del_cvec(NULL);
-  return 0;
+  uint_t return_code = 0;
+  fvec_t *f = new_fvec(-12);
+  cvec_t *c = new_cvec(-12);
+  lvec_t *l = new_lvec(-12);
+  aubio_fft_t *fft = new_aubio_fft(-12);
+  if (f != NULL) {
+    return_code = 1;
+  } else if (c != NULL) {
+    return_code = 2;
+  } else if (l != NULL) {
+    return_code = 3;
+  } else if (fft != NULL) {
+    return_code = 3;
+  }
+  return return_code;
 }