1 files changed, 61 insertions, 0 deletions
diff --git a/tests/tail-2/assert.sh b/tests/tail-2/assert.sh
new file mode 100755
index 000000000..043e25937
--- /dev/null
+++ b/tests/tail-2/assert.sh
@@ -0,0 +1,61 @@
+#!/bin/sh
+# Test for assertion failure in "test".
+
+# Copyright (C) 1999-2012 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/>.
+
+
+# This test fails with tail from textutils-2.0.
+# It would get something like this:
+#   tail: tail.c:718: recheck: Assertion 'valid_file_spec (f)' failed.
+#   Aborted
+# due to a race condition in which a dev/inode pair is reused.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+print_ver_ tail
+
+# Not "expensive" per se, but sleeping for so long is annoying.
+very_expensive_
+
+ok='ok ok ok'
+
+touch a foo
+tail --follow=name a foo > err 2>&1 &
+tail_pid=$!
+# Arrange for the tail process to die after 12 seconds.
+(sleep 12; kill $tail_pid) &
+
+echo sleeping for 7 seconds...
+
+# Give the backgrounded 'tail' a chance to start before removing foo.
+# Otherwise, without --retry, tail wouldn't try to open 'foo' again.
+sleep 1
+
+rm -f foo
+sleep 6
+echo $ok > f
+mv f foo
+
+# echo waiting....
+wait
+
+case "$(cat err)" in
+  *$ok) ;;
+  *) fail=1;;
+esac
+
+test $fail = 1 && cat err
+
+Exit $fail