tests/split/r-chunk.sh

   1 #!/bin/sh
   2 # test splitting into round-robin chunks
   3
   4 # Copyright (C) 2010-2024 Free Software Foundation, Inc.
   5
   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.
  10
  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.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ split
  21
  22 # N can be greater than the file size
  23 # in which case no data is extracted, or empty files are written
  24 split -n r/10 /dev/null || fail=1
  25 test "$(stat -c %s x* | uniq -c | sed 's/^ *//; s/ /x/')" = "10x0" || fail=1
  26 rm x??
  27
  28 # Ensure --elide-empty-files is honored
  29 split -e -n r/10 /dev/null || fail=1
  30 stat x?? 2>/dev/null && fail=1
  31
  32 printf '1\n2\n3\n4\n5\n' > in || framework_failure_
  33
  34 split -n r/3 in > out || fail=1
  35 compare /dev/null out || fail=1
  36
  37 split -n r/1/3 in > r1 || fail=1
  38 split -n r/2/3 in > r2 || fail=1
  39 split -n r/3/3 in > r3 || fail=1
  40
  41 printf '1\n4\n' > exp-1
  42 printf '2\n5\n' > exp-2
  43 printf '3\n' > exp-3
  44
  45 compare exp-1 xaa || fail=1
  46 compare exp-2 xab || fail=1
  47 compare exp-3 xac || fail=1
  48 compare exp-1 r1 || fail=1
  49 compare exp-2 r2 || fail=1
  50 compare exp-3 r3 || fail=1
  51 test -f xad && fail=1
  52
  53 # Test input without trailing \n
  54 printf '1\n2\n3\n4\n5' | split -n r/2/3 > out
  55 printf '2\n5' > exp
  56 compare exp out || fail=1
  57
  58 # Ensure we fall back to appending to a file at a time
  59 # if we hit the limit for the number of open files.
  60 rm x*
  61 (ulimit -n 20 && yes | head -n90 | split -n r/30 ) || fail=1
  62 test "$(stat -c %s x* | uniq -c | sed 's/^ *//; s/ /x/')" = "30x6" || fail=1
  63
  64 Exit $fail