1 files changed, 43 insertions, 0 deletions
diff --git a/tests/tail-2/pipe-f2.sh b/tests/tail-2/pipe-f2.sh
new file mode 100755
index 000000000..fffd43a1a
--- /dev/null
+++ b/tests/tail-2/pipe-f2.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+# Ensure that "tail -f fifo" tails indefinitely.
+
+# Copyright (C) 2009-2012 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+print_ver_ tail
+
+mkfifo_or_skip_ fifo
+
+echo 1 > fifo &
+echo 1 > exp || framework_failure_
+
+timeout 10 tail -f fifo > out & pid=$!
+
+check_tail_output()
+{
+  local n_sec="$1"
+  test -s out || { sleep $n_sec; return 1; }
+}
+
+# Wait 6.3s for tail to write something.
+retry_delay_ check_tail_output .1 7 || fail=1
+
+compare exp out || fail=1
+
+# Kill the still-running tail, or fail if it's gone.
+kill $pid || fail=1
+
+Exit $fail