split: fail immediately if impossible to create a large file
[coreutils/ericb.git] / tests / misc / split-fail
blob0ce6f57340b3a06267fb61bb2950942c25037bde
1 #!/bin/sh
2 # split must fail when given length/count of zero.
4 # Copyright (C) 2003-2010 Free Software Foundation, Inc.
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 if test "$VERBOSE" = yes; then
20 set -x
21 split --version
24 . $srcdir/test-lib.sh
25 getlimits_
27 touch in || framework_failure
30 split -a 0 in 2> /dev/null || fail=1
31 split -b 0 in 2> /dev/null && fail=1
32 split -C 0 in 2> /dev/null && fail=1
33 split -l 0 in 2> /dev/null && fail=1
35 # Make sure -C doesn't create empty files.
36 rm -f x?? || fail=1
37 echo x | split -C 1 || fail=1
38 test -f xaa && test -f xab || fail=1
39 test -f xac && fail=1
41 # Make sure that the obsolete -N notation still works
42 split -1 in 2> /dev/null || fail=1
44 # Then make sure that -0 evokes a failure.
45 split -0 in 2> /dev/null && fail=1
47 split --lines=$UINTMAX_MAX in || fail=1
48 split --bytes=$OFF_T_MAX in || fail=1
49 split --line-bytes=$OFF_T_OFLOW 2> /dev/null in && fail=1
50 split --line-bytes=$SIZE_OFLOW 2> /dev/null in && fail=1
52 # Make sure that a huge obsolete option evokes the right failure.
53 split -99999999999999999991 2> out && fail=1
55 # On losing systems (x86 Solaris 5.9 c89), we get a message like this:
56 # split: line count option -9999999999... is too large
57 # while on most, we get this:
58 # split: line count option -99999999999999999991... is too large
59 # so map them both to -99*.
60 sed 's/99[19]*/99*/' out > out-t
61 mv -f out-t out
63 cat <<\EOF > exp
64 split: line count option -99*... is too large
65 EOF
66 compare out exp || fail=1
68 # Make sure split fails when it can't read input
69 # (the current directory in this case)
70 if ! cat . >/dev/null; then
71 # can't read() directories
72 split . && fail=1
75 Exit $fail