From 85569d7498f3933d96a7604512f8832c73127067 Mon Sep 17 00:00:00 2001
From: Thomas Rast <trast@student.ethz.ch>
Date: Thu, 19 Feb 2009 12:13:36 +0100
Subject: [PATCH] Test that diff can read from stdin

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 t/t4002-diff-basic.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/t/t4002-diff-basic.sh b/t/t4002-diff-basic.sh
index cc3681f16..18695ce82 100755
--- a/t/t4002-diff-basic.sh
+++ b/t/t4002-diff-basic.sh
@@ -258,4 +258,12 @@ test_expect_success \
     git diff-tree -r -R $tree_A $tree_B >.test-b &&
     cmp -s .test-a .test-b'
 
+test_expect_success \
+    'diff can read from stdin' \
+    'test_must_fail git diff --no-index -- MN - < NN |
+        grep -v "^index" | sed "s#/-#/NN#" >.test-a &&
+    test_must_fail git diff --no-index -- MN NN |
+        grep -v "^index" >.test-b &&
+    test_cmp .test-a .test-b'
+
 test_done
-- 
2.26.2