1 files changed, 10 insertions, 1 deletions
diff --git a/t/11strfkey.c b/t/11strfkey.c
index d271ead..36c923e 100644
--- a/t/11strfkey.c
+++ b/t/11strfkey.c
@@ -8,7 +8,7 @@ int main(int argc, char *argv[])
   char       buffer[16];
   size_t     len;
 
-  plan_tests(40);
+  plan_tests(44);
 
   tk = termkey_new_abstract("vt100", 0);
 
@@ -106,6 +106,15 @@ int main(int argc, char *argv[])
   is_int(len, 7, "length for sym/PageUp/0 lowerspace");
   is_str(buffer, "page up", "buffer for sym/PageUp/0 lowerspace");
 
+  /* If size of buffer is too small, strfkey should return something consistent */
+  len = termkey_strfkey(tk, buffer, 4, &key, 0);
+  is_int(len, 6, "length for sym/PageUp/0");
+  is_str(buffer, "Pag", "buffer of len 4 for sym/PageUp/0");
+
+  len = termkey_strfkey(tk, buffer, 4, &key, TERMKEY_FORMAT_LOWERSPACE);
+  is_int(len, 7, "length for sym/PageUp/0 lowerspace");
+  is_str(buffer, "pag", "buffer of len 4 for sym/PageUp/0 lowerspace");
+
   key.type = TERMKEY_TYPE_FUNCTION;
   key.code.number = 5;
   key.modifiers = 0;