tests/printf/printf.sh

   1 #!/bin/sh
   2 # basic tests for printf
   3
   4 # Copyright (C) 2002-2024 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 prog='env printf'
  20
  21 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  22 print_ver_ printf
  23
  24 getlimits_
  25
  26
  27 # Verify the 3 methods of specifying "Escape":
  28 printf '%s\n' . . . | tr . '\033' > exp
  29 $prog '\x1b\n\33\n\e\n' > out || fail=1
  30 compare exp out || fail=1
  31
  32 # This would fail (by printing the '--') for printf in sh-utils
  33 # and in coreutils 4.5.1.
  34 $prog -- 'foo\n' > out || fail=1
  35 cat <<\EOF > exp
  36 foo
  37 EOF
  38
  39 compare exp out || fail=1
  40
  41 rm -f out exp
  42 # Until coreutils-4.5.10, this would elicit a segfault.
  43 $prog '1 %*sy\n' -3 x >  out || fail=1
  44
  45 # Until coreutils 5.2.2, this would succeed.
  46 if POSIXLY_CORRECT=1 $prog '2 \x' >/dev/null 2>&1; then
  47   fail=1
  48 else
  49   echo '2 failed, as expected' >> out
  50 fi
  51
  52 # Until coreutils-4.5.12, these would fail.
  53 $prog '3 \x40\n'      >> out || fail=1
  54 POSIXLY_CORRECT=1 \
  55 $prog '4 \x40\n'      >> out || fail=1
  56 $prog '5 % +d\n' 234  >> out || fail=1
  57
  58 # This should print "6 !\n", but don't rely on '!' being the
  59 # one-byte representation of octal 041.  With printf prior to
  60 # coreutils-5.0.1, it would print six bytes: "6 \41\n".
  61 $prog '6 \41\n' | tr '\41' '!' >> out
  62
  63 # Note that as of coreutils-5.0.1, printf with a format of '\0002y'
  64 # prints a NUL byte followed by the digit '2' and a 'y'.
  65 $prog '7 \2y \02y \002y \0002y\n' |tr '\0\2' '*=' >> out
  66
  67 $prog '8 %b %b %b %b\n' '\1y' '\01y' '\001y' '\0001y'|tr '\1' = >> out
  68
  69 $prog '9 %*dx\n' -2 0 >>out || fail=1
  70
  71 $prog '10 %.*dx\n' $INT_UFLOW 0 >>out || fail=1
  72 returns_ 1 $prog '%.*dx\n' $INT_OFLOW 0 >>out 2> /dev/null || fail=1
  73
  74 $prog '11 %*c\n' 2 x >>out || fail=1
  75
  76 returns_ 1 $prog '%#d\n' 0 >>out 2> /dev/null || fail=1
  77
  78 returns_ 1 $prog '%0s\n' 0 >>out 2> /dev/null || fail=1
  79
  80 returns_ 1 $prog '%.9c\n' 0 >>out 2> /dev/null || fail=1
  81
  82 returns_ 1 $prog '%'\''s\n' 0 >>out 2> /dev/null || fail=1
  83
  84 cat <<\EOF > exp
  85 1 x  y
  86 2 failed, as expected
  87 3 @
  88 4 @
  89 5 +234
  90 6 !
  91 7 =y =y =y *2y
  92 8 =y =y =y =y
  93 9 0 x
  94 10 0x
  95 11  x
  96 EOF
  97
  98 compare exp out || fail=1
  99
 100 # Verify handling of single quote chars (\' or \")
 101
 102 $prog '%d\n' '"a'  >out 2>err   # valid
 103 $prog '%d\n' '"a"' >>out 2>>err # invalid
 104 $prog '%d\n' '"'   >>out 2>>err # invalid
 105 $prog '%d\n' 'a'   >>out 2>>err # invalid
 106
 107 cat <<EOF > exp
 108 97
 109 97
 110 0
 111 0
 112 EOF
 113
 114 # POSIX says strtoimax *may* set errno to EINVAL in the latter
 115 # two cases.  So far, that happens at least on MacOS X 10.5.
 116 # Map that output to the more common expected output.
 117 sed 's/: Invalid.*/: expected a numeric value/' err > k && mv k err
 118
 119 cat <<EOF > exp_err
 120 printf: warning: ": character(s) following character constant have been ignored
 121 printf: '"': expected a numeric value
 122 printf: 'a': expected a numeric value
 123 EOF
 124
 125 compare exp out || fail=1
 126 compare exp_err err || fail=1
 127
 128 Exit $fail