xref: /freebsd/contrib/bc/tests/bc/timeconst.sh (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1#! /bin/sh
2#
3# Copyright (c) 2018-2020 Gavin D. Howard and contributors.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are met:
7#
8# * Redistributions of source code must retain the above copyright notice, this
9#   list of conditions and the following disclaimer.
10#
11# * Redistributions in binary form must reproduce the above copyright notice,
12#   this list of conditions and the following disclaimer in the documentation
13#   and/or other materials provided with the distribution.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
19# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25# POSSIBILITY OF SUCH DAMAGE.
26#
27
28# Tests the timeconst.bc script from the Linux kernel build.
29# You can find the script at kernel/time/timeconst.bc in any Linux repo.
30# One such repo is: https://github.com/torvalds/linux
31
32script="$0"
33testdir=$(dirname "$script")
34
35if [ "$#" -gt 0 ]; then
36	timeconst="$1"
37	shift
38else
39	timeconst="$testdir/scripts/timeconst.bc"
40fi
41
42if [ "$#" -gt 0 ]; then
43	bc="$1"
44	shift
45else
46	bc="$testdir/../../bin/bc"
47fi
48
49out1="$testdir/../.log_bc_timeconst.txt"
50out2="$testdir/../.log_bc_timeconst_test.txt"
51
52base=$(basename "$timeconst")
53
54if [ ! -f "$timeconst" ]; then
55	printf 'Warning: %s does not exist\n' "$timeconst"
56	printf 'Skipping...\n'
57	exit 0
58fi
59
60printf 'Running %s...' "$base"
61
62nums=$(printf 'for (i = 0; i <= 1000; ++i) { i }\n' | bc)
63
64for i in $nums; do
65
66	printf '%s\n' "$i" | bc -q "$timeconst" > "$out1"
67
68	err="$?"
69
70	if [ "$err" -ne 0 ]; then
71		printf '\nOther bc is not GNU compatible. Skipping...\n'
72		exit 0
73	fi
74
75	printf '%s\n' "$i" | "$bc" "$@" -q "$timeconst" > "$out2"
76
77	diff "$out1" "$out2"
78
79	error="$?"
80
81	if [ "$error" -ne 0 ]; then
82		printf '\nFailed on input: %s\n' "$i"
83		exit "$error"
84	fi
85
86done
87
88rm -f "$out1"
89rm -f "$out2"
90
91printf 'pass\n'
92