tests/seq/seq-precision.sh

   1 #!/bin/sh
   2 # Test for output with appropriate precision
   3
   4 # Copyright (C) 2015-2024 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_ seq
  21 getlimits_
  22
  23 # Integer only.  Before v8.24 these would switch output format
  24
  25 seq 999999 inf | head -n2 > out || fail=1
  26 printf "%s\n" 999999 1000000 > exp || framework_failure_
  27 compare exp out || fail=1
  28
  29 # Exercise buffer handling in non floating point output
  30 for i in $(seq 100); do
  31   n1="$(printf '%*s' $i '' | tr ' ' 9)"
  32   n2="1$(echo $n1 | tr 9 0)"
  33
  34   seq $n1 $n2 > out || fail=1
  35   printf "%s\n" "$n1" "$n2" > exp || framework_failure_
  36   compare exp out || fail=1
  37 done
  38
  39 seq 0xF423F 0xF4240 > out || fail=1
  40 printf "%s\n" 999999 1000000 > exp || framework_failure_
  41 compare exp out || fail=1
  42
  43 # Ensure consistent precision for inf
  44 seq 1 .1 inf | head -n2 > out || fail=1
  45 printf "%s\n" 1.0 1.1 > exp || framework_failure_
  46 compare exp out || fail=1
  47
  48 # Ensure standard output methods with inf start
  49 seq inf inf | head -n2 | uniq > out || fail=1
  50 test "$(wc -l < out)" = 1 || fail=1
  51
  52 # Ensure auto precision for hex float
  53 seq 1 0x1p-1 2 > out || fail=1
  54 printf "%s\n" 1 1.5 2 > exp || framework_failure_
  55 compare exp out || fail=1
  56
  57 # Ensure consistent precision for hex
  58 seq 1 .1 0x2 | head -n2 > out || fail=1
  59 printf "%s\n" 1.0 1.1 > exp || framework_failure_
  60 compare exp out || fail=1
  61
  62 # Ensure consistent handling of precision/width for exponents
  63
  64 seq 1.1e1 12 > out || fail=1
  65 printf "%s\n" 11 12 > exp || framework_failure_
  66 compare exp out || fail=1
  67
  68 seq 11 1.2e1 > out || fail=1
  69 printf "%s\n" 11 12 > exp || framework_failure_
  70 compare exp out || fail=1
  71
  72 seq -w 1.1e4 | head -n1 > out || fail=1
  73 printf "%s\n" 00001 > exp || framework_failure_
  74 compare exp out || fail=1
  75
  76 seq -w 1.10000e5 1.10000e5 > out || fail=1
  77 printf "%s\n" 110000 > exp || framework_failure_
  78 compare exp out || fail=1
  79
  80 # Ensure no undefined behavior which failed with <= 8.32
  81 # This test would fail with: -fsanitize=undefined
  82 seq 1e$LONG_MIN 2> err || fail=1
  83 compare /dev/null err || fail=1
  84
  85 Exit $fail