tests/cat/cat-E.sh

   1 #!/bin/sh
   2 # Copyright (C) 2021-2024 Free Software Foundation, Inc.
   3
   4 # This program is free software: you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  18 print_ver_ cat
  19
  20 # \r followed by \n is displayed as ^M$
  21 # Up to and including 8.32 the $ would have displayed at the start of the line
  22 # overwriting the first character
  23 printf 'a\rb\r\nc\n\r\nd\r' > 'in' || framework_failure_
  24 printf 'a\rb^M$\nc$\n^M$\nd\r' > 'exp' || framework_failure_
  25 cat -E 'in' > out || fail=1
  26 compare exp out || fail=1
  27
  28 # Ensure \r\n spanning files (or buffers) is handled
  29 printf '1\r' > in2 || framework_failure_
  30 printf '\n2\r\n' > in2b || framework_failure_
  31 printf '1^M$\n2^M$\n' > 'exp' || framework_failure_
  32 cat -E 'in2' 'in2b' > out || fail=1
  33 compare exp out || fail=1
  34
  35 # Ensure \r at end of buffer is handled
  36 printf '1\r' > in2 || framework_failure_
  37 printf '2\r\n' > in2b || framework_failure_
  38 printf '1\r2^M$\n' > 'exp' || framework_failure_
  39 cat -E 'in2' 'in2b' > out || fail=1
  40 compare exp out || fail=1
  41
  42 Exit $fail