check for double test registration

[protos/libecoli.git] / lib / ecoli_test.h

diff --git a/lib/ecoli_test.h b/lib/ecoli_test.h
index 201f497..f28dfdb 100644 (file)
--- a/lib/ecoli_test.h
+++ b/lib/ecoli_test.h
@@ -35,13 +35,14 @@
 struct ec_node;
 enum ec_completed_type;
 
-// XXX check if already exists?
 #define EC_TEST_REGISTER(t)                                            \
        static void ec_test_init_##t(void);                             \
        static void __attribute__((constructor, used))                  \
        ec_test_init_##t(void)                                          \
        {                                                               \
-                ec_test_register(&t);                                  \
+               if (ec_test_register(&t) < 0)                           \
+                       fprintf(stderr, "cannot register test %s\n",    \
+                               t.name);                                \
        }
 
 /**
@@ -66,8 +67,10 @@ struct ec_test {
  * @param test
  *   A pointer to a ec_test structure describing the test
  *   to be registered.
+ * @return
+ *   0 on success, -1 on error (errno is set).
  */
-void ec_test_register(struct ec_test *test);
+int ec_test_register(struct ec_test *test);
 
 int ec_test_all(void);
 int ec_test_one(const char *name);