tests/ts/misc/line

   1 #!/bin/bash
   2
   3 # This file is part of util-linux.
   4 #
   5 # This file is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This file is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14
  15 TS_TOPDIR="${0%/*}/../.."
  16 TS_DESC="line"
  17
  18 . $TS_TOPDIR/functions.sh
  19 ts_init "$*"
  20
  21 ts_check_test_command "$TS_CMD_LINE"
  22 ts_check_test_command "$TS_CMD_HEXDUMP"
  23
  24 ts_log '# usually behave like "head -n 1"'
  25 printf "a\nb\n" |
  26         $TS_CMD_LINE >> $TS_OUTPUT 2>> $TS_ERRLOG
  27 echo "ret: $?" >> $TS_OUTPUT
  28
  29 ts_log '# never consume more than one line'
  30 printf "1\n2\n" |
  31         ($TS_CMD_LINE && $TS_CMD_LINE) >> $TS_OUTPUT 2>> $TS_ERRLOG
  32 echo "ret: $?" >> $TS_OUTPUT
  33
  34 ts_log '# add a newline'
  35 printf "abc" |
  36         $TS_CMD_LINE >> $TS_OUTPUT 2>> $TS_ERRLOG
  37 echo "ret: $?" >> $TS_OUTPUT
  38
  39 ts_log '# print one newline on empty input'
  40 printf "" |
  41         $TS_CMD_LINE >> $TS_OUTPUT 2>> $TS_ERRLOG
  42 echo "ret: $?" >> $TS_OUTPUT
  43
  44 ts_log '# add a newline, return 1 when EOF'
  45 (printf "xyz" && cat </dev/null) |
  46         $TS_CMD_LINE >> $TS_OUTPUT 2>> $TS_ERRLOG
  47 echo "ret: $?" >> $TS_OUTPUT
  48
  49 ts_log '# print one newline on empty input, return 1 when EOF'
  50 $TS_CMD_LINE </dev/null >> $TS_OUTPUT 2>> $TS_ERRLOG
  51 echo "ret: $?" >> $TS_OUTPUT
  52
  53 ts_log '# large line of zero bytes'
  54 dd if=/dev/zero  bs=1k count=1k 2>/dev/null |
  55         $TS_CMD_LINE line | $TS_CMD_HEXDUMP -C >> $TS_OUTPUT 2>> $TS_ERRLOG
  56 echo "ret: $?" >> $TS_OUTPUT
  57
  58 ts_finalize