60 lines
1.8 KiB
Bash
Executable file
60 lines
1.8 KiB
Bash
Executable file
#!/bin/sh
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# Show that wc's --total option works.
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# Copyright (C) 2022-2025 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 3 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, see <https://www.gnu.org/licenses/>.
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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ wc
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require_sparse_support_ # for 'truncate --size=$BIG'
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getlimits_
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printf '%s\n' '2' > 2b || framework_failure_
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printf '%s\n' '2 words' > 2w || framework_failure_
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returns_ 1 wc --total 2b 2w > out || fail=1
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wc --total=never 2b 2w > out || fail=1
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cat <<\EOF > exp || framework_failure_
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1 1 2 2b
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1 2 8 2w
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EOF
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compare exp out || fail=1
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wc --total=only 2b 2w > out || fail=1
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cat <<\EOF > exp || framework_failure_
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2 3 10
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EOF
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compare exp out || fail=1
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wc --total=always 2b > out || fail=1
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test "$(wc -l < out)" = 2 || fail=1
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if truncate -s 2E big; then
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if test "$UINTMAX_MAX" = '18446744073709551615'; then
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# Ensure overflow is diagnosed
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returns_ 1 wc --total=only -c big big big big big big big big \
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> out || fail=1
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# Ensure total is saturated
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printf '%s\n' "$UINTMAX_MAX" > exp || framework_failure_
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compare exp out || fail=1
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# Ensure overflow is ignored if totals not shown
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wc --total=never -c big big big big big big big big || fail=1
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fi
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fi
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Exit $fail
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