From 93f2449bee0bf8dd6ec4caa27cdd28b6d8e2d9a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= <des@FreeBSD.org>
Date: Tue, 26 May 2009 20:13:06 +0000
Subject: [PATCH] Add a regression test for kern/21768.

MFC after:	1 week
---
 tools/regression/vfs/trailing_slash.t | 42 +++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 tools/regression/vfs/trailing_slash.t

diff --git a/tools/regression/vfs/trailing_slash.t b/tools/regression/vfs/trailing_slash.t
new file mode 100755
index 000000000000..fe6d799d952e
--- /dev/null
+++ b/tools/regression/vfs/trailing_slash.t
@@ -0,0 +1,42 @@
+#!/bin/sh
+#
+# $FreeBSD$
+#
+# Tests vfs_lookup()'s handling of trailing slashes for symlinks that
+# point to files.  See kern/21768
+#
+
+testfile="/tmp/testfile-$$"
+testlink="/tmp/testlink-$$"
+
+tests="
+$testfile:$testlink:$testfile:0
+$testfile:$testlink:$testfile/:1
+$testfile:$testlink:$testlink:0
+$testfile:$testlink:$testlink/:1
+$testfile/:$testlink:$testlink:1
+$testfile/:$testlink:$testlink/:1
+"
+
+touch $testfile || exit 1
+trap "rm $testfile $testlink" EXIT
+
+set $tests
+echo "1..$#"
+n=1
+for testspec ; do
+	(
+		IFS=:
+		set $testspec
+		unset IFS
+		ln -fs "$1" "$2" || exit 1
+		cat "$3" >/dev/null 2>&1
+		ret=$?
+		if [ "$ret" -eq "$4" ] ; then
+			echo "ok $n"
+		else
+			echo "fail $n - expected $4, got $ret"
+		fi
+		n=$((n+1))
+	)
+done