From 44518bee3d59c87855340fce698db373315c47e0 Mon Sep 17 00:00:00 2001
From: Baudouin Raoult <baudouin.raoult@ecmwf.int>
Date: Sun, 29 Aug 2021 22:59:06 +0100
Subject: [PATCH] Better memfs

---
 memfs.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/memfs.py b/memfs.py
index eb3f388d5..ea4800abb 100755
--- a/memfs.py
+++ b/memfs.py
@@ -117,6 +117,8 @@ for directory in dirs:
 if buffer is not None:
     buffer.close()
 
+assert fcount <= MAX_FCOUNT, fcount
+
 while fcount < MAX_FCOUNT:
     opath = get_outfile_name(output_file_base, fcount)
     print("MEMFS: Generating output:", opath, "(empty)")