From 777725868123f0501dd652b4390884ae924fdced Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Niemier?= <~@hauleth.dev>
Date: Fri, 30 Jan 2026 23:44:20 +0100
Subject: [PATCH] Test encoding and decoding of Unix extended stat data

This is for now just silly and basic test for elemental encoding and
decodeing. It doesn't do any serious stress testing. For that there is
need for property test, but it should work for now.
---
 src/e9p_server.erl     |  1 -
 test/e9p_msg_SUITE.erl | 23 +++++++++++++++++++++++
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/e9p_server.erl b/src/e9p_server.erl
index 4c0f436..b524f56 100644
--- a/src/e9p_server.erl
+++ b/src/e9p_server.erl
@@ -161,6 +161,5 @@ handle_message(#twstat{fid = FID, stat = Stat}, State) ->
         {ok, NewState} ?= do_call(State, wstat, [FID, Stat]),
         {ok, #rwstat{}, NewState}
     end;
-
 handle_message(_Msg, State) ->
     {error, ~"Unknown request type", State}.
diff --git a/test/e9p_msg_SUITE.erl b/test/e9p_msg_SUITE.erl
index 449f7fd..5d655de 100644
--- a/test/e9p_msg_SUITE.erl
+++ b/test/e9p_msg_SUITE.erl
@@ -14,6 +14,7 @@
 all() ->
     [
         stat_encode_decode,
+        stat_encode_decode_unix,
         rstat_encode_decode,
         rclunk_encode_decode,
         rflush_encode_decode,
@@ -39,6 +40,28 @@ stat_encode_decode(_Conf) ->
     Decoded = e9p_msg:parse_stat(Out),
     ?assertEqual({ok, Stat}, Decoded).
 
+stat_encode_decode_unix(_Conf) ->
+    Stat = #{
+        type => 0,
+        dev => 0,
+        qid => e9p:make_qid(regular, 0, 0),
+        mode => 0,
+        atime => 0,
+        mtime => 0,
+        length => 0,
+        name => <<>>,
+        uid => <<>>,
+        gid => <<>>,
+        muid => <<>>,
+        ext => <<>>,
+        n_uid => 0,
+        n_gid => 0,
+        n_muid => 0
+    },
+    Out = iolist_to_binary(e9p_msg:encode_stat(Stat, unix)),
+    Decoded = e9p_msg:parse_stat(Out),
+    ?assertEqual({ok, Stat}, Decoded).
+
 rstat_encode_decode(_Conf) ->
     Stat = #{
         type => 0,
-- 
2.51.2