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bcode.sh
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inout.sh
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# SPDX-License-Identifier: BSD-2-Clause-FreeBSD # # Copyright (c) 2017 Alan Somers # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # # $FreeBSD$ atf_test_case bmod bmod_head() { atf_set "descr" "Tests the remainder % operator" } bmod_body() { cat > input.dc << EOF 0 3 % p # basic usage 1 3 % p 2 3 % p 3 3 % p 4 3 % p _1 3 % p # negative dividends work like a remainder, not a modulo 1 _3 % p # negative divisors use the divisor's absolute value 1k # fractional remainders 5 3 % p 6 5 % p 5.4 3 % p _.1 3 % p 1.1 _3 % p 1 .3 % p EOF dc input.dc > output.txt cat > expect.txt << EOF 0 1 2 0 1 -1 1 2 1 2.4 -.1 1.1 .1 EOF atf_check cmp expect.txt output.txt } atf_test_case bmod_by_zero bmod_by_zero_head() { atf_set "descr" "remaindering by zero should print a warning" } bmod_by_zero_body() { atf_check -e match:"remainder by zero" dc -e '1 0 %' } atf_test_case bdivmod bdivmod_head() { atf_set "descr" "Tests the divide and modulo ~ operator" } bdivmod_body() { cat > input.dc << EOF 0 3 ~ n32Pp # basic usage 1 3 ~ n32Pp 2 3 ~ n32Pp 3 3 ~ n32Pp 4 3 ~ n32Pp _1 3 ~ n32Pp # negative dividends work like a remainder, not a modulo _4 3 ~ n32Pp # sign of quotient and divisor must agree 1 _3 ~ n32Pp # negative divisors use the divisor's absolute value 1k # fractional remainders 5 3 ~ n32Pp 6 5 ~ n32Pp 5.4 3 ~ n32Pp _.1 3 ~ n32Pp 1.1 _3 ~ n32Pp 1 .3 ~ n32Pp 4k .01 .003 ~ n32Pp # divmod quotient always has scale=0 EOF dc input.dc > output.txt cat > expect.txt << EOF 0 0 1 0 2 0 0 1 1 1 -1 0 -1 -1 1 0 2 1.6 1 1.2 2.4 1.8 -.1 0.0 1.1 -.3 .1 3.3 .001 3.3333 EOF atf_check cmp expect.txt output.txt } atf_test_case bdivmod_by_zero bdivmod_by_zero_head() { atf_set "descr" "divmodding by zero should print a warning" } bdivmod_by_zero_body() { atf_check -e match:"divide by zero" dc -e '1 0 ~' } atf_init_test_cases() { atf_add_test_case bmod atf_add_test_case bmod_by_zero atf_add_test_case bdivmod atf_add_test_case bdivmod_by_zero }
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