tests/misc/printf

   1 #!/bin/sh
   2 # basic tests for printf
   3
   4 # Copyright (C) 2002-2004, 2006-2011 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 <http://www.gnu.org/licenses/>.
  18
  19 prog='env printf'
  20
  21 . "${srcdir=.}/init.sh"; path_prepend_ ../src
  22 print_ver_ printf
  23
  24 getlimits_
  25
  26
  27 # Verify the 3 methods of specifying "Escape":
  28 test $($prog "\x1b\n\33\n\e\n" | uniq -u) && fail=1
  29
  30 # This would fail (by printing the `--') for printf in sh-utils
  31 # and in coreutils 4.5.1.
  32 $prog -- 'foo\n' > out || fail=1
  33 cat <<\EOF > exp
  34 foo
  35 EOF
  36
  37 compare out exp || fail=1
  38
  39 rm -f out exp
  40 # Until coreutils-4.5.10, this would elicit a segfault.
  41 $prog '1 %*sy\n' -3 x >  out || fail=1
  42
  43 # Until coreutils 5.2.2, this would succeed.
  44 if POSIXLY_CORRECT=1 $prog '2 \x' >/dev/null 2>&1; then
  45   fail=1
  46 else
  47   echo '2 failed, as expected' >> out
  48 fi
  49
  50 # Until coreutils-4.5.12, these would fail.
  51 $prog '3 \x40\n'      >> out || fail=1
  52 POSIXLY_CORRECT=1 \
  53 $prog '4 \x40\n'      >> out || fail=1
  54 $prog '5 % +d\n' 234  >> out || fail=1
  55
  56 # This should print "6 !\n", but don't rely on `!' being the
  57 # one-byte representation of octal 041.  With printf prior to
  58 # coreutils-5.0.1, it would print six bytes: "6 \41\n".
  59 $prog '6 \41\n' | tr '\41' '!' >> out
  60
  61 # Note that as of coreutils-5.0.1, printf with a format of '\0002x'
  62 # prints a NUL byte followed by the digit `2' and an `x'.
  63 # By contrast bash's printf outputs the same thing as $(printf '\2x') does.
  64 $prog '7 \2y \02y \002y \0002y\n' |tr '\0\2' '*=' >> out
  65
  66 $prog '8 %b %b %b %b\n' '\1y' '\01y' '\001y' '\0001y'|tr '\1' = >> out
  67
  68 $prog '9 %*dx\n' -2 0 >>out || fail=1
  69
  70 $prog '10 %.*dx\n' $INT_UFLOW 0 >>out || fail=1
  71 $prog '%.*dx\n' $INT_OFLOW 0 >>out 2> /dev/null && fail=1
  72
  73 $prog '11 %*c\n' 2 x >>out || fail=1
  74
  75 $prog '%#d\n' 0 >>out 2> /dev/null && fail=1
  76
  77 $prog '%0s\n' 0 >>out 2> /dev/null && fail=1
  78
  79 $prog '%.9c\n' 0 >>out 2> /dev/null && fail=1
  80
  81 $prog '%'\''s\n' 0 >>out 2> /dev/null && fail=1
  82
  83 cat <<\EOF > exp
  84 1 x  y
  85 2 failed, as expected
  86 3 @
  87 4 @
  88 5 +234
  89 6 !
  90 7 =y =y =y *2y
  91 8 =y =y =y =y
  92 9 0 x
  93 10 0x
  94 11  x
  95 EOF
  96
  97 compare out exp || fail=1
  98
  99 # Verify handling of single quote chars (\' or \")
 100
 101 $prog '%d\n' '"a'  >out 2>err   # valid
 102 $prog '%d\n' '"a"' >>out 2>>err # invalid
 103 $prog '%d\n' '"'   >>out 2>>err # invalid
 104 $prog '%d\n' 'a'   >>out 2>>err # invalid
 105
 106 cat <<EOF > exp
 107 97
 108 97
 109 0
 110 0
 111 EOF
 112
 113 cat <<EOF > exp_err
 114 printf: warning: ": character(s) following character constant have been ignored
 115 printf: ": expected a numeric value
 116 printf: a: expected a numeric value
 117 EOF
 118
 119 compare out exp || fail=1
 120 compare err exp_err || fail=1
 121
 122 Exit $fail