1#!/bin/sh
2# Test for output with appropriate precision
3
4# Copyright (C) 2015-2023 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
20print_ver_ seq
21getlimits_
22
23# Integer only.  Before v8.24 these would switch output format
24
25seq 999999 inf | head -n2 > out || fail=1
26printf "%s\n" 999999 1000000 > exp || framework_failure_
27compare exp out || fail=1
28
29# Exercise buffer handling in non floating point output
30for 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" "$n2" > exp || framework_failure_
36  compare exp out || fail=1
37done
38
39seq 0xF423F 0xF4240 > out || fail=1
40printf "%s\n" 999999 1000000 > exp || framework_failure_
41compare exp out || fail=1
42
43# Ensure consistent precision for inf
44seq 1 .1 inf | head -n2 > out || fail=1
45printf "%s\n" 1.0 1.1 > exp || framework_failure_
46compare exp out || fail=1
47
48# Ensure standard output methods with inf start
49seq inf inf | head -n2 | uniq > out || fail=1
50test "$(wc -l < out)" = 1 || fail=1
51
52# Ensure auto precision for hex float
53seq 1 0x1p-1 2 > out || fail=1
54printf "%s\n" 1 1.5 2 > exp || framework_failure_
55compare exp out || fail=1
56
57# Ensure consistent precision for hex
58seq 1 .1 0x2 | head -n2 > out || fail=1
59printf "%s\n" 1.0 1.1 > exp || framework_failure_
60compare exp out || fail=1
61
62# Ensure consistent handling of precision/width for exponents
63
64seq 1.1e1 12 > out || fail=1
65printf "%s\n" 11 12 > exp || framework_failure_
66compare exp out || fail=1
67
68seq 11 1.2e1 > out || fail=1
69printf "%s\n" 11 12 > exp || framework_failure_
70compare exp out || fail=1
71
72seq -w 1.1e4 | head -n1 > out || fail=1
73printf "%s\n" 00001 > exp || framework_failure_
74compare exp out || fail=1
75
76seq -w 1.10000e5 1.10000e5 > out || fail=1
77printf "%s\n" 110000 > exp || framework_failure_
78compare exp out || fail=1
79
80# Ensure no undefined behavior which failed with <= 8.32
81# This test would fail with: -fsanitize=undefined
82seq 1e$LONG_MIN 2> err || fail=1
83compare /dev/null err || fail=1
84
85Exit $fail
86