2 # Test whether sort avoids opening more file descriptors than it is
3 # allowed when merging files.
5 # Copyright (C) 2009 Free Software Foundation, Inc.
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 if test "$VERBOSE" = yes; then
28 mkdir in err || framework_failure
35 # When these tests are run inside the automated testing framework, they
36 # have one less available file descriptor than when run outside the
37 # automated testing framework. If a test with a batch size of b fails
38 # inside the ATF, then the same test with batch size b+1 may pass outside
39 # the ATF but fail inside it.
41 # The default batch size (nmerge) is 16.
43 && sort -m --batch-size=16 in/* 2>err/merge-default-err \
44 || ! grep "open failed" err/merge-default-err) || fail=1
46 # If sort opens a file (/dev/urandom) to sort by random hashes of keys,
47 # it needs to consider this file against its limit on open file
50 && sort -mR --batch-size=16 in/* 2>err/merge-random-err \
51 || ! grep "open failed" err/merge-random-err) || fail=1