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