From 758f820bcc0f68aeebac1717e537ca13a320b909 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 18:11:47 +0200
Subject: Adding upstream version 9.1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tests/tail-2/assert.sh | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100755 tests/tail-2/assert.sh

(limited to 'tests/tail-2/assert.sh')

diff --git a/tests/tail-2/assert.sh b/tests/tail-2/assert.sh
new file mode 100755
index 0000000..246a3b1
--- /dev/null
+++ b/tests/tail-2/assert.sh
@@ -0,0 +1,68 @@
+#!/bin/sh
+# Test for assertion failure in "test".
+
+# Copyright (C) 1999-2022 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 <https://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=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ tail
+
+check_tail_output()
+{
+  local delay="$1"
+  grep "$tail_re" out ||
+    { sleep $delay; return 1; }
+}
+
+# Terminate any background tail process
+cleanup_() { kill $pid 2>/dev/null && wait $pid; }
+
+# Speedup the non inotify case
+fastpoll='-s.1 --max-unchanged-stats=1'
+
+for mode in '' '---disable-inotify'; do
+  rm -f a foo out
+  touch a foo || framework_failure_
+
+  tail $mode --follow=name $fastpoll a foo > out 2>&1 & pid=$!
+
+  # Wait up to 12.7s for tail to start.
+  echo x > a || framework_failure_
+  tail_re='^x$' retry_delay_ check_tail_output .1 7 ||
+    { cat out; fail=1; break; }
+
+  # Wait 12.7s for this diagnostic:
+  # tail: foo: No such file or directory
+  rm foo || framework_failure_
+  tail_re='No such file' retry_delay_ check_tail_output .1 7 ||
+    { cat out; fail=1; break; }
+
+  # Wait up to 12.7s for tail to notice new foo file
+  ok='ok ok ok'
+  echo "$ok" > foo || framework_failure_
+  tail_re="^$ok$" retry_delay_ check_tail_output .1 7 ||
+    { echo "$0: foo: unexpected delay?"; cat out; fail=1; break; }
+
+  cleanup_
+done
+
+Exit $fail
-- 
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