From: Wincent Colaiuta <win@wincent.com>
Date: Fri, 14 Dec 2007 11:23:44 +0000 (+0100)
Subject: Test interaction between diff --check and --exit-code
X-Git-Tag: v1.5.4-rc1~53^2
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=5973a07937f2c64b595c6784b06eb4441c07b5ef;p=git.git

Test interaction between diff --check and --exit-code

Make sure that it works as advertised in the man page.

Signed-off-by: Wincent Colaiuta <win@wincent.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/t/t4017-diff-retval.sh b/t/t4017-diff-retval.sh
index 68731908b..dc0b7126c 100755
--- a/t/t4017-diff-retval.sh
+++ b/t/t4017-diff-retval.sh
@@ -76,4 +76,33 @@ test_expect_success 'git diff-index --cached HEAD' '
 	}
 '
 
+test_expect_success '--check --exit-code returns 0 for no difference' '
+
+	git diff --check --exit-code
+
+'
+
+test_expect_success '--check --exit-code returns 1 for a clean difference' '
+
+	echo "good" > a &&
+	git diff --check --exit-code
+	test $? = 1
+
+'
+
+test_expect_success '--check --exit-code returns 3 for a dirty difference' '
+
+	echo "bad   " >> a &&
+	git diff --check --exit-code
+	test $? = 3
+
+'
+
+test_expect_success '--check with --no-pager returns 2 for dirty difference' '
+
+	git --no-pager diff --check
+	test $? = 2
+
+'
+
 test_done