diff options
Diffstat (limited to 'tests/tail-2/assert-2.sh')
| -rwxr-xr-x | tests/tail-2/assert-2.sh | 50 |
1 files changed, 29 insertions, 21 deletions
diff --git a/tests/tail-2/assert-2.sh b/tests/tail-2/assert-2.sh index 930e422a..67804fea 100755 --- a/tests/tail-2/assert-2.sh +++ b/tests/tail-2/assert-2.sh @@ -1,9 +1,9 @@ #!/bin/sh -# This variant of 'assert' would get a UMR reliably in 2.0.9. +# This variant of 'assert' would get a Uninit Mem Read reliably in 2.0.9. # Due to a race condition in the test, the 'assert' script would get # the UMR on Solaris only some of the time, and not at all on Linux/GNU. -# Copyright (C) 2000-2014 Free Software Foundation, Inc. +# Copyright (C) 2000-2015 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 @@ -21,29 +21,37 @@ . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src print_ver_ tail -# Not "expensive" per se, but sleeping for so long is annoying. -very_expensive_ +check_tail_output() +{ + local delay="$1" + grep "$tail_re" out || + { sleep $delay; return 1; } +} -ok='ok ok ok' +# Terminate any background tail process +cleanup_() { kill $pid 2>/dev/null && wait $pid; } -touch a -tail --follow=name a foo > err 2>&1 & -tail_pid=$! -# Arrange for the tail process to die after 12 seconds. -(sleep 12; kill $tail_pid) & -echo $ok > f -echo sleeping for 7 seconds... -sleep 7 -mv f foo +# Speedup the non inotify case +fastpoll='-s.1 --max-unchanged-stats=1' -# echo waiting.... -wait +for mode in '' '---disable-inotify'; do + rm -f a foo out + touch a || framework_failure_ -case "$(cat err)" in - *$ok) ;; - *) fail=1;; -esac + tail $mode --follow=name $fastpoll a foo > out 2>&1 & pid=$! -test $fail = 1 && cat err + # Wait up to 12.7s for tail to start. + echo x > a || framework_failure_ + tail_re='^x$' retry_delay_ check_tail_output .1 7 || + { cat out; fail=1; break; } + + # Wait 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 |