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https://github.com/coreutils/coreutils.git
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64 lines
1.6 KiB
Bash
Executable File
64 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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# This variant of `assert' would get a UMR reliably in 2.0.9.
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# Due to a race condition in the test, the `assert' script would get
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# the UMR on Solaris only some of the time, and not at all on Linux/GNU.
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# Copyright (C) 2000 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 2 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, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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if test "$VERBOSE" = yes; then
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set -x
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tail --version
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fi
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tmp=tail-as2.$$
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pwd=`pwd`
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trap "cd $pwd; rm -rf $tmp" 0 1 2 3 15
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test_failure=0
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mkdir $tmp || test_failure=1
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cd $tmp || test_failure=1
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if test $test_failure = 1; then
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echo 'failure in testing framework'
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exit 1
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fi
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ok='ok ok ok'
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touch a
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tail --follow=name a foo > err 2>&1 &
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tail_pid=$!
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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 $ok > f
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echo sleeping for 7 seconds...
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sleep 7
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mv f foo
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# echo waiting....
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wait
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case "`cat err`" in
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*$ok) fail=0;;
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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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