mirror of
https://github.com/Mercury-Language/mercury.git
synced 2026-04-17 02:13:54 +00:00
77 lines
2.1 KiB
Mathematica
77 lines
2.1 KiB
Mathematica
%---------------------------------------------------------------------------%
|
|
% vim: ft=mercury ts=4 sw=4 et wm=0 tw=0
|
|
%---------------------------------------------------------------------------%
|
|
|
|
% Test comparison operations for signed 8-bit integers.
|
|
|
|
:- module cmp_int8.
|
|
:- interface.
|
|
|
|
:- import_module io.
|
|
|
|
:- pred main(io::di, io::uo) is det.
|
|
|
|
%---------------------------------------------------------------------------%
|
|
%---------------------------------------------------------------------------%
|
|
|
|
:- implementation.
|
|
|
|
:- import_module int8.
|
|
|
|
:- import_module list.
|
|
:- import_module string.
|
|
|
|
%---------------------------------------------------------------------------%
|
|
|
|
main(!IO) :-
|
|
run_cmp_test(unify, "==", !IO),
|
|
io.nl(!IO),
|
|
run_cmp_test(int8.(<), "<", !IO),
|
|
io.nl(!IO),
|
|
run_cmp_test(int8.(=<), "=<", !IO),
|
|
io.nl(!IO),
|
|
run_cmp_test(int8.(>), ">", !IO),
|
|
io.nl(!IO),
|
|
run_cmp_test(int8.(>=), ">=", !IO).
|
|
|
|
:- pred run_cmp_test(pred(int8, int8)::in(pred(in, in) is semidet),
|
|
string::in, io::di, io::uo) is det.
|
|
|
|
run_cmp_test(CmpPred, Desc, !IO) :-
|
|
io.format("*** Testing int8.'%s' ***\n\n", [s(Desc)], !IO),
|
|
As = numbers,
|
|
Bs = numbers,
|
|
list.foldl(run_cmp_test_2(CmpPred, Desc, Bs), As, !IO).
|
|
|
|
:- pred run_cmp_test_2(pred(int8, int8)::in(pred(in, in) is semidet),
|
|
string::in, list(int8)::in, int8::in, io::di, io::uo) is det.
|
|
|
|
run_cmp_test_2(CmpPred, Desc, Bs, A, !IO) :-
|
|
list.foldl(run_cmp_test_3(CmpPred, Desc, A), Bs, !IO).
|
|
|
|
:- pred run_cmp_test_3(pred(int8, int8)::in(pred(in, in) is semidet),
|
|
string::in, int8::in, int8::in, io::di, io::uo) is det.
|
|
|
|
run_cmp_test_3(CmpPred, Desc, A, B, !IO) :-
|
|
Result = ( if CmpPred(A, B) then "true" else "false" ),
|
|
io.format("%s %s %s = %s\n",
|
|
[s(int8_to_string(A)), s(Desc), s(int8_to_string(B)), s(Result)],
|
|
!IO).
|
|
|
|
:- func numbers = list(int8).
|
|
|
|
numbers = [
|
|
-128_i8,
|
|
0_i8,
|
|
1_i8,
|
|
2_i8,
|
|
8_i8,
|
|
10_i8,
|
|
16_i8,
|
|
127_i8
|
|
].
|
|
|
|
%---------------------------------------------------------------------------%
|
|
:- end_module cmp_int8.
|
|
%---------------------------------------------------------------------------%
|