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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-05-16 09:22:21 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-05-16 09:22:21 +0000 |
commit | d4fdeab4db0d0e699c8fbbb07f12c4e1f64d0f94 (patch) | |
tree | 72231a38ed1cdd48ac6e02acb8b3917acb9dbcf4 /tests/extrac11.at | |
download | tar-tarball-d4fdeab4db0d0e699c8fbbb07f12c4e1f64d0f94.tar.gz |
Diffstat (limited to 'tests/extrac11.at')
-rw-r--r-- | tests/extrac11.at | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/tests/extrac11.at b/tests/extrac11.at new file mode 100644 index 0000000..bcee2d0 --- /dev/null +++ b/tests/extrac11.at @@ -0,0 +1,86 @@ +# Process this file with autom4te to create testsuite. -*- Autotest -*- + +# Test suite for GNU tar. +# Copyright 2010, 2013-2014, 2016 Free Software Foundation, Inc. + +# This file is part of GNU tar. + +# GNU tar 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. + +# GNU tar 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 <http://www.gnu.org/licenses/>. + +# written by Paul Eggert + +# Check that 'tar' works even in a file-descriptor-limited environment. + +AT_SETUP([scarce file descriptors]) +AT_KEYWORDS([extract extrac11]) + +AT_TAR_CHECK([ +exec </dev/null +dirs='a + a/b + a/b/c + a/b/c/d + a/b/c/d/e + a/b/c/d/e/f + a/b/c/d/e/f/g + a/b/c/d/e/f/g/h + a/b/c/d/e/f/g/h/i + a/b/c/d/e/f/g/h/i/j + a/b/c/d/e/f/g/h/i/j/k +' +files= +mkdir $dirs dest1 dest2 dest3 || exit +for dir in $dirs; do + for file in X Y Z; do + echo $file >$dir/$file || exit + files="$files $file" + done +done + +# Check that "ulimit" itself works. Close file descriptors before +# invoking ulimit, to work around a bug (or a "feature") in some shells, +# where they squirrel away dups of file descriptors into FD 10 and up +# before closing the originals. +( (exec 3<&- 4<&- 5<&- 6<&- 7<&- 8<&- 9<&- && + ulimit -n 100 && + tar -cf archive1.tar a && + tar -xf archive1.tar -C dest1 a + ) && + diff -r a dest1/a +) >/dev/null 2>&1 || + AT_SKIP_TEST + +# Another test that "ulimit" itself works: +# tar should fail when completely starved of file descriptors. +( (exec 3<&- 4<&- 5<&- 6<&- 7<&- 8<&- 9<&- && + ulimit -n 4 && + tar -cf archive2.tar a && + tar -xf archive2.tar -C dest2 a + ) && + diff -r a dest2/a +) >/dev/null 2>&1 && + AT_SKIP_TEST + +# Tar should work when there are few, but enough, file descriptors. +( (exec 3<&- 4<&- 5<&- 6<&- 7<&- 8<&- 9<&- && + ulimit -n 10 && + tar -cf archive3.tar a && + tar -xf archive3.tar -C dest3 a + ) && + diff -r a dest3/a >/dev/null 2>&1 +) || { diff -r a dest3/a; exit 1; } +], +[0],[],[],[],[],[gnu]) + +AT_CLEANUP |