Files
mercury/tests/hard_coded/from_uint_uint32.m
Julien Fischer 7bffc574e9 Fix a bug in uint64.cast_from_uint/1.
Add a test of uint -> uint64 conversion.

library/uint64.m:
    Fix a typo that broke uint64.cast_from_uint/1.

tests/hard_coded/Mmakefile:
tests/hard_coded/from_uint_uint64.{m,exp,exp2}:
    Add a test of uint -> uint64 conversion.

tests/hard_coded/from_int_int*.m:
tests/hard_coded/from_uint_uint*.m:
    Fix errors in comments.
2021-07-10 04:44:51 +10:00

68 lines
1.7 KiB
Mathematica

%---------------------------------------------------------------------------%
% vim: ft=mercury ts=4 sw=4 et wm=0 tw=0
%---------------------------------------------------------------------------%
%
% Test conversion of uints to unsigned 32-bit integers.
%
% The .exp file is for when uint is 64-bit.
% The .exp2 file is for when uint is 32-bit.
%
%---------------------------------------------------------------------------%
:- module from_uint_uint32.
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is det.
%---------------------------------------------------------------------------%
%---------------------------------------------------------------------------%
:- implementation.
:- import_module uint32.
:- import_module list.
:- import_module string.
%---------------------------------------------------------------------------%
main(!IO) :-
list.foldl(do_test, numbers, !IO).
:- pred do_test(string::in, io::di, io::uo) is det.
do_test(UIntStr, !IO) :-
io.format("from_uint(%s) = ", [s(UIntStr)], !IO),
( if
string.to_uint(UIntStr, UInt),
uint32.from_uint(UInt, UInt32)
then
io.format("%u\n", [u32(UInt32)], !IO)
else
io.write_string("<<out-of-range>>\n", !IO)
).
:- func numbers = list(string).
numbers = [
"0",
"1",
"2",
"8",
"10",
"16",
"127",
"32767",
"2147483647", % INT32_MAX
"2147483648", % INT32_MAX + 1
"4294967295", % UINT32_MAX
"4294967296", % UINT32_MAX + 1
"9223372036854775807"
].
%---------------------------------------------------------------------------%
:- end_module from_uint_uint32.
%---------------------------------------------------------------------------%