1 # SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 # Copyright (c) 2017 Alan Somers
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6 # modification, are permitted provided that the following conditions
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31 atf_set "descr" "Tests the remainder % operator"
41 _1 3 % p # negative dividends work like a remainder, not a modulo
42 1 _3 % p # negative divisors use the divisor's absolute value
43 1k # fractional remainders
51 dc input.dc > output.txt
52 cat > expect.txt << EOF
67 atf_check cmp expect.txt output.txt
70 atf_test_case bmod_by_zero
73 atf_set "descr" "remaindering by zero should print a warning"
77 atf_check -e match:"remainder by zero" dc -e '1 0 %'
83 atf_set "descr" "Tests the divide and modulo ~ operator"
88 0 3 ~ n32Pp # basic usage
93 _1 3 ~ n32Pp # negative dividends work like a remainder, not a modulo
94 _4 3 ~ n32Pp # sign of quotient and divisor must agree
95 1 _3 ~ n32Pp # negative divisors use the divisor's absolute value
96 1k # fractional remainders
104 .01 .003 ~ n32Pp # divmod quotient always has scale=0
106 dc input.dc > output.txt
107 cat > expect.txt << EOF
124 atf_check cmp expect.txt output.txt
127 atf_test_case bdivmod_by_zero
128 bdivmod_by_zero_head()
130 atf_set "descr" "divmodding by zero should print a warning"
132 bdivmod_by_zero_body()
134 atf_check -e match:"divide by zero" dc -e '1 0 ~'
137 atf_init_test_cases()
139 atf_add_test_case bmod
140 atf_add_test_case bmod_by_zero
141 atf_add_test_case bdivmod
142 atf_add_test_case bdivmod_by_zero