Files
mercury/tests/hard_coded/arith_uint64.m
2018-07-07 01:08:11 +02:00

87 lines
2.5 KiB
Mathematica

%---------------------------------------------------------------------------%
% vim: ft=mercury ts=4 sw=4 et wm=0 tw=0
%---------------------------------------------------------------------------%
% Test arithmetic operations for unsigned 64-bit integers.
:- module arith_uint64.
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is cc_multi.
%---------------------------------------------------------------------------%
%---------------------------------------------------------------------------%
:- implementation.
:- import_module uint64.
:- import_module exception.
:- import_module list.
:- import_module string.
%---------------------------------------------------------------------------%
main(!IO) :-
run_binop_test((func(X, Y) = X + Y), "+", !IO),
io.nl(!IO),
run_binop_test((func(X, Y) = X - Y), "-", !IO),
io.nl(!IO),
run_binop_test((func(X, Y) = X * Y), "*", !IO),
io.nl(!IO),
run_binop_test((func(X, Y) = X / Y), "/", !IO),
io.nl(!IO),
run_binop_test((func(X, Y) = X rem Y), "rem", !IO).
:- pred run_binop_test((func(uint64, uint64) = uint64)::in, string::in,
io::di, io::uo) is cc_multi.
run_binop_test(BinOpFunc, Desc, !IO) :-
io.format("*** Test binary operation '%s' ***\n\n", [s(Desc)], !IO),
As = numbers,
Bs = numbers,
list.foldl(run_binop_test_2(BinOpFunc, Desc, Bs), As, !IO).
:- pred run_binop_test_2((func(uint64, uint64) = uint64)::in, string::in,
list(uint64)::in, uint64::in, io::di, io::uo) is cc_multi.
run_binop_test_2(BinOpFunc, Desc, Bs, A, !IO) :-
list.foldl(run_binop_test_3(BinOpFunc, Desc, A), Bs, !IO).
:- pred run_binop_test_3((func(uint64, uint64) = uint64)::in, string::in,
uint64::in, uint64::in, io::di, io::uo) is cc_multi.
run_binop_test_3(BinOpFunc, Desc, A, B, !IO) :-
( try []
Result0 = BinOpFunc(A, B)
then
ResultStr = uint64_to_string(Result0)
catch_any _ ->
ResultStr = "<<exception>>"
),
io.format("%s %s %s = %s\n",
[s(uint64_to_string(A)), s(Desc), s(uint64_to_string(B)),
s(ResultStr)], !IO).
:- func numbers = list(uint64).
numbers = [
0_u64,
1_u64,
2_u64,
8_u64,
10_u64,
16_u64,
255_u64,
65_535_u64,
2_147_483_647_u64,
4_294_967_295_u64,
18_446_744_073_709_551_615_u64
].
%---------------------------------------------------------------------------%
:- end_module arith_uint64.
%---------------------------------------------------------------------------%