Write testsuite for mh mailbox library

* libmailutils/base/amd.c (amd_get_attr_flags): Scan the message
if AMD does not report MU_AMD_STATUS capability.
* libproto/mh/mbox.c (mh_qfetch): Fix,

* libproto/mh/Makefile.am (SUBDIRS): Add tests.
* libproto/mh/tests/.gitignore: New file.
* libproto/mh/tests/Makefile.am: New file.
* libproto/mh/tests/append.at: New file.
* libproto/mh/tests/atlocal.in: New file.
* libproto/mh/tests/attr.at: New file.
* libproto/mh/tests/autodetect.at: New file.
* libproto/mh/tests/body.at: New file.
* libproto/mh/tests/count.at: New file.
* libproto/mh/tests/delete.at: New file.
* libproto/mh/tests/envelope.at: New file.
* libproto/mh/tests/header.at: New file.
* libproto/mh/tests/qget.at: New file.
* libproto/mh/tests/testsuite.at: New file.
* libproto/mh/tests/uid.at: New file.
* libproto/mh/tests/uidvalidity.at: New file.

1 files changed, 9 insertions, 0 deletions

diff --git a/libmailutils/base/amd.c b/libmailutils/base/amd.c
index aca704dbd..9b8728d15 100644
--- a/libmailutils/base/amd.c
+++ b/libmailutils/base/amd.c
@@ -2037,6 +2037,15 @@ amd_get_attr_flags (mu_attribute_t attr, int *pflags)
 
   if (mhm == NULL)
     return EINVAL;
+  if (!(mhm->amd->capabilities & MU_AMD_STATUS))
+    {
+      /* If AMD implementation doesn't handle status (attribute) bits, they
+	 must be retrieved from the Status: header.  To ensure that, the
+	 message must be scanned: */
+      int rc = amd_check_message (mhm);
+      if (rc)
+	return rc;
+    }
   if (pflags)
     *pflags = mhm->attr_flags;
   return 0;