1 files changed, 53 insertions, 0 deletions
diff --git a/scripts/tests/hash.bash b/scripts/tests/hash.bash
new file mode 100755
index 0000000..92be2e6
--- /dev/null
+++ b/scripts/tests/hash.bash
@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+
+status=0
+
+testZobrist() {
+    local name="$1"
+    local fen="$2"
+    local moves="$3"
+    local expected="$4"
+
+    echo ""
+
+    resultRaw=$(./build/mono hash "$fen" $moves)
+    result=$(echo $resultRaw | jq -r '.hash')
+    took=$(echo $resultRaw | jq -r '.ms')
+    if [ "$result" = "$expected" ]; then
+        echo "OK: $name, Took: $took"
+    else
+        echo "WRONG: $name"
+        echo "Expected: $expected"
+        echo "Got:      $result"
+        echo "Raw:      $resultRaw"
+        status=1
+    fi
+}
+
+configs=(
+    # starting position
+    "startpos|rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1||5060803636482931868"
+    # single moves
+    "1.d4|rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|d2d4|9443689642921087454"
+    "1.e4|rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|e2e4|9384546495678726550"
+    "1.c4|rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|c2c4|14562399549841627035"
+    # two moves
+    "1.e4 e5|rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|e2e4 e7e5|595762792459712928"
+    "1.e4 c5|rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|e2e4 c7c5|7227515431820872427"
+    "1.e4 e6|rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|e2e4 e7e6|17603279437685838276"
+    "1.e4 c6|rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|e2e4 c7c6|1172755318016414253"
+    "1.d4 d5|rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|d2d4 d7d5|460664201775194104"
+    # three moves
+    "1.e4 e5 2.Nf3|rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|e2e4 e7e5 g1f3|15213300192948443293"
+    "1.d4 d5 2.c4|rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1|d2d4 d7d5 c2c4|9963937660605248767"
+    # different starting FEN
+    "Kiwipete|r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 1||14109232545397825053"
+)
+
+for config in "${configs[@]}"; do
+    IFS='|' read -r name fen moves expected <<< "$config"
+    testZobrist "$name" "$fen" "$moves" "$expected"
+    if [ $status -ne 0 ]; then
+        exit "$status"
+    fi
+done