1 files changed, 30 insertions, 0 deletions
diff --git a/t/t4006-diff-mode.sh b/t/t4006-diff-mode.sh
new file mode 100755
index 0000000000..ff8c2f7532
--- /dev/null
+++ b/t/t4006-diff-mode.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+#
+# Copyright (c) 2005 Junio C Hamano
+#
+
+test_description='Test mode change diffs.
+
+'
+. ./test-lib.sh
+
+test_expect_success \
+    'setup' \
+    'echo frotz >rezrov &&
+     git update-index --add rezrov &&
+     tree=`git write-tree` &&
+     echo $tree'
+
+test_expect_success \
+    'chmod' \
+    'test_chmod +x rezrov &&
+     git diff-index $tree >current'
+
+sed -e 's/\(:100644 100755\) \('"$_x40"'\) \2 /\1 X X /' <current >check
+echo ":100644 100755 X X M	rezrov" >expected
+
+test_expect_success \
+    'verify' \
+    'test_cmp expected check'
+
+test_done