129 lines
3.9 KiB
Bash
Executable file
129 lines
3.9 KiB
Bash
Executable file
#!/bin/sh
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# test splitting into newline delineated chunks (-n l/...)
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# Copyright (C) 2010-2025 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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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
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print_ver_ split
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# invalid number of chunks
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echo "split: invalid number of chunks: '1o'" > exp
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returns_ 1 split -n l/1o 2>err || fail=1
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compare exp err || fail=1
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rm -f x* || fail=1
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: | split -n l/1 || fail=1
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compare /dev/null xaa || fail=1
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test ! -f xab || fail=1
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# N can be greater than the file size
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# in which case no data is extracted, or empty files are written
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split -n l/10 /dev/null || fail=1
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test "$(stat -c %s x* | uniq -c | sed 's/^ *//; s/ /x/')" = "10x0" || fail=1
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rm x??
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# Ensure --elide-empty-files is honored
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split -e -n l/10 /dev/null || fail=1
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returns_ 1 stat x?? 2>/dev/null || fail=1
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# 80 bytes. ~ transformed to \n below
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lines=\
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12345~1~12345~1~12345~1~12345~1~12345~~~12345~1~12345~1~12345~1~12345~1~12345~1~
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printf "%s" "$lines" | tr '~' '\n' > in || framework_failure_
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echo "split: invalid chunk number: '16'" > exp
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returns_ 1 split -n l/16/15 in 2>err.t || fail=1
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sed "s/': .*/'/" < err.t > err || framework_failure_
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compare exp err || fail=1
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printf '%s' "\
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14 16 16 08 16 10
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14 08 08 10 14 08 08 10
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08 06 08 08 08 08 08 02 06 08 08 02
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06 08 08 02 06 08 02 06 08 02 06 08 00 08 02
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06 02 06 02 06 02 06 02 06 02 06 02 06 02 06 00 08 00 02 06 00 02
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" > exp || framework_failure_
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sed 's/00 *//g' exp > exp.elide_empty || framework_failure_
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test "$DEBUG" && test "$VERBOSE" && set +x
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for ELIDE_EMPTY in '' '-e'; do
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for IO_BLKSIZE in 1 2 5 10 80 100; do
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> out
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test "$DEBUG" && printf "\n---io-blk-size=$IO_BLKSIZE $ELIDE_EMPTY\n"
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for N in 6 8 12 15 22; do
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rm -f x*
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if test -z "$ELIDE_EMPTY"; then
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split ---io-blksize=$IO_BLKSIZE -n l/2/$N in > chunk.k
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returns_ 1 stat x* 2>/dev/null || fail=1
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fi
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split ---io-blksize=$IO_BLKSIZE $ELIDE_EMPTY -n l/$N in
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echo $(stat -c "%02s" x*) >> out
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if test -z "$ELIDE_EMPTY"; then
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compare chunk.k xab || fail=1
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fi
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if test "$DEBUG"; then
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# Output partition pattern
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size=$(printf "%s" "$lines" | wc -c)
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chunk_size=$(($size/$N))
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end_size=$(($chunk_size + ($size % $N)))
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{
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yes "$(printf %${chunk_size}s ])" | head -n$(($N-1))
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printf %${end_size}s ]
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} | tr -d '\n' | sed "s/\\(^.\\{1,$size\\}\\).*/\\1/"
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echo
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# Output pattern generated for comparison
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for s in $(stat -c "%s" x*); do
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#s=0 transitions are not shown
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test "$m" = "_" && m=- || m=_
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printf "%${s}s" '' | tr ' ' $m
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done
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echo
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# Output lines for reference
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echo "$lines"
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fi
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done
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test -z "$ELIDE_EMPTY" && EXP=exp || EXP=exp.elide_empty
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compare out $EXP || fail=1
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done
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done
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test "$DEBUG" && test "$VERBOSE" && set -x
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# Check extraction of particular chunks
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split -n l/13/15 in > out &&
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compare /dev/null out || fail=1
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printf '1\n12345\n' > exp || framework_failure_
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split -n l/14/15 in > out &&
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compare exp out || fail=1
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printf '1\n' > exp || framework_failure_
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split -n l/15/15 in > out &&
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compare exp out || fail=1
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# test input with no \n at end
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printf '12\n34\n5' > in
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printf '5' > exp
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split -n l/7/7 in > out
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compare exp out || fail=1
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Exit $fail
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