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62 lines
1.6 KiB
Bash
Executable File
62 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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# Test for assertion failure in "test".
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# Copyright (C) 1999-2000, 2004, 2006-2011 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This test fails with tail from textutils-2.0.
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# It would get something like this:
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# tail: tail.c:718: recheck: Assertion `valid_file_spec (f)' failed.
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# Aborted
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# due to a race condition in which a dev/inode pair is reused.
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. "${srcdir=.}/init.sh"; path_prepend_ ../src
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print_ver_ tail
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# Not "expensive" per se, but sleeping for so long is annoying.
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very_expensive_
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ok='ok ok ok'
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touch a foo
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tail --follow=name a foo > err 2>&1 &
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tail_pid=$!
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# Arrange for the tail process to die after 12 seconds.
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(sleep 12; kill $tail_pid) &
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echo sleeping for 7 seconds...
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# Give the backgrounded `tail' a chance to start before removing foo.
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# Otherwise, without --retry, tail wouldn't try to open `foo' again.
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sleep 1
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rm -f foo
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sleep 6
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echo $ok > f
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mv f foo
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# echo waiting....
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wait
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case "`cat err`" in
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*$ok) ;;
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*) fail=1;;
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esac
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test $fail = 1 && cat err
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Exit $fail
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