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d551bc743a
tests/hard_coded/int_uenum.exp2:
Add this expected output file.
tests/hard_coded/int_uenum.m:
Note what conditions call for each expected output file.
56 lines
1.3 KiB
Mathematica
56 lines
1.3 KiB
Mathematica
%---------------------------------------------------------------------------%
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% vim: ts=4 sw=4 et ft=mercury
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%---------------------------------------------------------------------------%
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%
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% Test whether the encoding of ints as uints in the uenum(int) instance
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% of the uenum typeclass works.
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%
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% The .exp file is for 64 bit targets.
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% The .exp2 file is for 32 bit targets.
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%
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:- module int_uenum.
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:- interface.
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:- import_module io.
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:- pred main(io::di, io::uo) is det.
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:- implementation.
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:- import_module enum.
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:- import_module int.
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:- import_module uint.
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:- import_module list.
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:- import_module string.
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main(!IO) :-
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test(0, !IO),
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test(-1, !IO),
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test(1, !IO),
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test(-63, !IO),
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test(-64, !IO),
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test(63, !IO),
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test(64, !IO),
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test(int.min_int + 1, !IO),
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test(int.min_int, !IO),
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test(int.max_int - 1, !IO),
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test(int.max_int, !IO).
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:- pred test(int::in, io::di, io::uo) is det.
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test(I, !IO) :-
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U = to_uint(I),
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( if from_uint(U, I2) then
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( if I = I2 then
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io.format("%d %x -> %u %x\n",
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[i(I), i(I), u(U), u(U)], !IO)
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else
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io.format("%d %x -> %u %x, wrong reverse %d %x\n",
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[i(I), i(I), u(U), u(U), i(I2), i(I2)], !IO)
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)
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else
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io.format("%d %x -> %u %x, reverse failed\n",
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[i(I), i(I), u(U), u(U)], !IO)
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).
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