Add a fuzzer for olm_group_decrypt

1 files changed, 13 insertions, 3 deletions

diff --git a/fuzzers/include/fuzzing.hh b/fuzzers/include/fuzzing.hh
index e4f5eb9..b27c396 100644
--- a/fuzzers/include/fuzzing.hh
+++ b/fuzzers/include/fuzzing.hh
@@ -53,13 +53,15 @@ T check_errno(
     return value;
 }
 
-size_t check_session(
-    OlmSession * session,
+template<typename T, typename F>
+size_t check_error(
+    F f,
+    T * object,
     const char * message,
     size_t value
 ) {
     if (value == olm_error()) {
-        const char * olm_message = olm_session_last_error(session);
+        const char * olm_message = f(object);
         ssize_t ignored;
         ignored = write(STDERR_FILENO, message, strlen(message));
         ignored = write(STDERR_FILENO, ": ", 2);
@@ -70,3 +72,11 @@ size_t check_session(
     }
     return value;
 }
+
+size_t check_session(
+    OlmSession * session,
+    const char * message,
+    size_t value
+) {
+    return check_error(olm_session_last_error, session, message, value);
+}