Files
mercury/tests/general/commit_bug_2.m
Zoltan Somogyi ecb5e4a9e6 Update the style of many test cases.
tests/declarative_debugger/*.m:
tests/exceptions/*.m:
tests/general/*.m:
tests/grade_subdirs/*.m:
tests/purity/*.m:
tests/submodules/*.m:
tests/typeclasses/*.m:
    Update programming style.

tests/declarative_debugger/*.inp:
    Update line numbers in breakpoint commands.
tests/declarative_debugger/*.exp:
    Update expected line numbers.

tests/exceptions/Mercury.options:
tests/general/Mercury.options:
    Disable some warnings that are irrelevant to the test.
2021-07-25 23:26:17 +10:00

71 lines
1.2 KiB
Mathematica

%---------------------------------------------------------------------------%
% vim: ts=4 sw=4 et ft=mercury
%---------------------------------------------------------------------------%
%
% This tests the case of committing across a nondet goal in a nondet
% context. There was a bug in this, which this test case exercised.
:- module commit_bug_2.
:- interface.
:- import_module io.
:- pred main(io::di, io::uo) is det.
:- implementation.
:- import_module int.
:- import_module list.
:- import_module solutions.
main(!IO) :-
solutions(test, List),
print_intlist(List, !IO).
:- pred print_intlist(list(int)::in, io::di, io::uo) is det.
print_intlist([], !IO).
print_intlist([X | L], !IO) :-
io.write_int(X, !IO),
io.write_string("\n", !IO),
print_intlist(L, !IO).
:- pred test(int::out) is nondet.
test(A) :-
p(A),
some [B] (
q(A, B),
C = B + 1,
some [D] (
r(C, D),
D > 25
)
).
:- pred p(int::out) is multi.
p(0).
p(1).
p(2).
p(3).
:- pred q(int::in, int::out) is nondet.
q(0, 1).
q(1, 2).
q(1, 3).
q(2, 4).
q(3, 5).
:- pred r(int::in, int::out) is nondet.
r(2, 10).
r(3, 20).
r(3, 20).
r(4, 20).
r(4, 20).
r(5, 40).
r(6, 50).