glibc/tests/Regression/bz577950-ftell-after-write-causes-glibc-to-flush-buffer/runtest.sh

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#!/bin/bash
# vim: dict=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
# runtest.sh of /tools/glibc/Regression/bz577950-ftell-after-write-causes-glibc-to-flush-buffer
# Description: Calls ftell after write and verifies that buf is not flushed
# Author: Arjun Shankar <ashankar@redhat.com>
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
# Copyright (c) 2013 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing
# to use, modify, copy, or redistribute it subject to the terms
# and conditions of the GNU General Public License version 2.
#
# 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, write to the Free
# Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
#
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Include Beaker environment
. /usr/share/beakerlib/beakerlib.sh || exit 1
PACKAGE="glibc"
REQUIRES=(gcc glibc glibc-devel strace)
rlJournalStart
rlPhaseStartSetup
for p in ${REQUIRES[@]}; do
rlAssertRpm $p
done; unset p
rlRun "TmpDir=\$(mktemp -d)" 0 "Creating tmp directory"
rlRun "cp *.c *.expected $TmpDir"
rlRun "pushd $TmpDir"
rlRun "gcc -o tst-write-ftell tst-write-ftell.c"
rlAssertExists "tst-write-ftell"
rlRun "gcc -o tst-ftell-with-fdopen tst-ftell-with-fdopen.c"
rlAssertExists "tst-ftell-with-fdopen"
rlPhaseEnd
rlPhaseStartTest
rlRun "strace ./tst-write-ftell /dev/null 40 0 &> strace.out"
rlAssertEquals "Do not expect any writes of size 208 bytes" "$(cat strace.out | grep '^write.*208$' | wc -l)" "0"
rlLog "$(cat strace.out | grep ^write | head)"
rlRun "strace ./tst-write-ftell /dev/null 40 1 &> strace.out"
rlAssertEquals "Do not expect any writes of size 208 bytes" "$(cat strace.out | grep '^write.*208$' | wc -l)" "0"
rlLog "$(cat strace.out | grep ^write | head)"
for f1 in "" "-f"; do
for f2 in "" "-o"; do
rlRun "./tst-ftell-with-fdopen $f1 $f2"
rlRun "cmp tst-ftell-with-fdopen.out tst-ftell-with-fdopen.expected"
done
done
rlPhaseEnd
rlPhaseStartCleanup
rlRun "popd"
rlRun "rm -r $TmpDir" 0 "Removing tmp directory"
rlPhaseEnd
rlJournalPrintText
rlJournalEnd