mirror of
https://github.com/freebsd/freebsd-src
synced 2024-09-06 17:18:32 +00:00
143 lines
3.1 KiB
Bash
Executable file
143 lines
3.1 KiB
Bash
Executable file
# SPDX-License-Identifier: BSD-2-Clause
|
|
#
|
|
# 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.
|
|
#
|
|
|
|
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
|
|
}
|