From b7ee7290b552b21352491ec7f390565ff4748647 Mon Sep 17 00:00:00 2001
From: Joost VandeVondele <Joost.VandeVondele@gmail.com>
Date: Mon, 12 Jun 2023 09:51:28 +0200
Subject: [PATCH] Add network export to CI

verify the network written by export_net matches the original

closes https://github.com/official-stockfish/Stockfish/pull/4613

No functional change
---
 tests/instrumented.sh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tests/instrumented.sh b/tests/instrumented.sh
index e9455eab..1b37c7a8 100755
--- a/tests/instrumented.sh
+++ b/tests/instrumented.sh
@@ -70,7 +70,8 @@ for args in "eval" \
             "go depth 10" \
             "go movetime 1000" \
             "go wtime 8000 btime 8000 winc 500 binc 500" \
-            "bench 128 $threads 8 default depth"
+            "bench 128 $threads 8 default depth" \
+            "export_net verify.nnue"
 do
 
    echo "$prefix $exeprefix ./stockfish $args $postfix"
@@ -78,6 +79,11 @@ do
 
 done
 
+# verify the generated net equals the base net
+network=`./stockfish uci | grep 'option name EvalFile type string default' | awk '{print $NF}'`
+echo "Comparing $network to the written verify.nnue"
+diff $network verify.nnue
+
 # more general testing, following an uci protocol exchange
 cat << EOF > game.exp
  set timeout 240
-- 
2.39.2