Files
mercury/tests/hard_coded/construct_bug.m
2020-10-04 13:20:42 +11:00

85 lines
2.2 KiB
Mathematica

% vim: ft=mercury ts=4 sw=4 et
%
% This is a regression test for a bug in construct.get_functor/5,
% where it was not handling equivalence types properly.
:- module construct_bug.
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is det.
:- implementation.
:- import_module construct_bug_submodule.
:- import_module int.
:- import_module list.
:- import_module require.
:- import_module std_util.
:- import_module string.
main(!IO) :-
FileName = "temp.term",
call(
( pred(!.S::in, !:S::out) is det:-
count(["A"], !S),
count(["A", "A2"], !S),
count(["B"], !S),
count(["B", "B1"], !S),
count(["B", "B2"], !S),
count(["B", "B3"], !S),
count(["C"], !S),
count(["C", "C1"], !S)
), construct_bug_submodule.init, Map),
io.open_output(FileName, Result, !IO),
( if Result = ok(Temp_ORDIE_Out_OutStream) then
OutStream = Temp_ORDIE_Out_OutStream
else
error( "Failed to write to '" ++ FileName ++ "'.")
),
io.write(OutStream, Map, !IO),
io.write_string(OutStream, ".", !IO),
close_output(OutStream, !IO),
io.write_string("Saved the map to file: " ++ FileName ++ "\n", !IO),
io.open_input(FileName, Result2, !IO),
( if Result2 = ok(Temp_ORDIE_Out_InStream) then
InStream = Temp_ORDIE_Out_InStream
else
error( "Failed to open '" ++ FileName ++ "'.")
),
io.read(InStream, MayDataTerm, !IO),
io.close_input(InStream, !IO),
(
MayDataTerm = ok(ReadMap `with_type` stat)
;
MayDataTerm = eof,
error("Unexpected end of file: '" ++ FileName ++ "'.")
;
MayDataTerm = error(E, _),
error("Error reading term from: '" ++ FileName ++ "': " ++ E ++ ".")
),
io.write_string("Loaded the map from file: " ++ FileName ++ "\n", !IO),
( if Map = ReadMap then
io.write_string("The representations are identical.\n", !IO)
else
io.write_string("The representations are different.\n", !IO)
),
io.remove_file(FileName, RmResult, !IO),
(
RmResult = ok
;
RmResult = error(E2),
error("Error deleting file '" ++ FileName ++ "': "
++ io.error_message(E2) ++ ".")
).