diff --git a/clients/c/suppressions b/clients/c/suppressions
index c9ce3cc..0f696ac 100644
--- a/clients/c/suppressions
+++ b/clients/c/suppressions
@@ -1,45 +1,11 @@
 {
-   curl_global_init_get_compression_methods_1
+   curl_global_init_libcrypto
    Memcheck:Leak
-   fun:malloc
+   ...
    fun:CRYPTO_malloc
-   obj:/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0
-   fun:SSL_COMP_get_compression_methods
-   fun:SSL_library_init
-   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   ...
    fun:curl_global_init
-   fun:cosmo_create
-   fun:main
-}
-{
-   curl_global_init_get_compression_methods_2
-   Memcheck:Leak
-   fun:malloc
-   fun:CRYPTO_malloc
-   fun:sk_new
-   obj:/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0
-   fun:SSL_COMP_get_compression_methods
-   fun:SSL_library_init
-   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
-   fun:curl_global_init
-   fun:cosmo_create
-   fun:main
-}
-{
-   curl_global_init_load_builtin_engines_1
-   Memcheck:Leak
-   fun:malloc
-   fun:CRYPTO_malloc
-   fun:lh_new
-   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
-   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
-   fun:ERR_get_state
-   fun:ERR_clear_error
-   fun:ENGINE_load_builtin_engines
-   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
-   fun:curl_global_init
-   fun:cosmo_create
-   fun:main
+   ...
 }
 
 {
diff --git a/clients/c/test.c b/clients/c/test.c
index 8ba3405..897e418 100644
--- a/clients/c/test.c
+++ b/clients/c/test.c
@@ -2,11 +2,18 @@
 
 #include "cosmopolite.h"
 
+#define RUN_TEST(func) run_test(#func, func)
+
+#define ANSI_COLOR_RED     "\x1b[31m"
+#define ANSI_COLOR_GREEN   "\x1b[32m"
+#define ANSI_COLOR_YELLOW  "\x1b[33m"
+#define ANSI_COLOR_RESET   "\x1b[0m"
+
 void on_message(const json_t *message, void *passthrough) {
   printf("new message: %lld\n", json_integer_value(json_object_get(message, "id")));
 }
 
-int main(int argc, char *argv[]) {
+cosmo *create_client() {
   char client_id[COSMO_UUID_SIZE];
   cosmo_uuid(client_id);
 
@@ -14,12 +21,45 @@ int main(int argc, char *argv[]) {
     .message = on_message
   };
 
-  cosmo *instance = cosmo_create("https://playground.cosmopolite.org/cosmopolite", client_id, &callbacks, NULL);
-  json_t *subject = cosmo_subject("foobar", NULL, NULL);
-  cosmo_subscribe(instance, subject, -1, 0);
-  json_decref(subject);
-  sleep(20);
-  cosmo_shutdown(instance);
+  return cosmo_create("https://playground.cosmopolite.org/cosmopolite", client_id, &callbacks, NULL);
+}
 
+json_t *random_subject(const char *readable_only_by, const char *writeable_only_by) {
+  char uuid[COSMO_UUID_SIZE];
+  cosmo_uuid(uuid);
+  char name[COSMO_UUID_SIZE + 20];
+  sprintf(name, "/test/%s", uuid);
+  return cosmo_subject(name, readable_only_by, writeable_only_by);
+}
+
+void run_test(const char *func_name, bool (*test)(void)) {
+  fprintf(stderr, ANSI_COLOR_YELLOW "%50s" ANSI_COLOR_RESET ": ", func_name);
+  if (test()) {
+    fprintf(stderr, ANSI_COLOR_GREEN "PASS" ANSI_COLOR_RESET "\n");
+  } else {
+    fprintf(stderr, ANSI_COLOR_RED "FAIL" ANSI_COLOR_RESET "\n");
+  }
+}
+
+bool test_create_destroy() {
+  cosmo *client = create_client();
+  cosmo_shutdown(client);
+  return true;
+}
+
+bool message_round_trip() {
+  cosmo *client = create_client();
+
+  json_t *subject = random_subject(NULL, NULL);
+  cosmo_subscribe(client, subject, -1, 0);
+
+  json_decref(subject);
+  cosmo_shutdown(client);
+  return true;
+}
+
+int main(int argc, char *argv[]) {
+  RUN_TEST(test_create_destroy);
+  RUN_TEST(message_round_trip);
   return 0;
 }