mirror of
https://github.com/Mercury-Language/mercury.git
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114 lines
2.8 KiB
Mathematica
114 lines
2.8 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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:- module cut_test.
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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 int.
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main(!IO) :-
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( if best(100) then
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io.write_string("best case nondet test 1 succeeded: BUG.\n", !IO)
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else
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io.write_string("best case nondet test 1 failed: OK.\n", !IO)
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),
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( if best(300) then
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io.write_string("best case nondet test 2 succeeded: OK.\n", !IO)
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else
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io.write_string("best case nondet test 2 failed: BUG.\n", !IO)
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),
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( if middle(100) then
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io.write_string("middle case nondet test 1 succeeded: BUG.\n", !IO)
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else
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io.write_string("middle case nondet test 1 failed: OK.\n", !IO)
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),
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( if middle(180) then
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io.write_string("middle case nondet test 2 succeeded: OK.\n", !IO)
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else
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io.write_string("middle case nondet test 2 failed: BUG.\n", !IO)
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),
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( if middle(190) then
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io.write_string("middle case nondet test 3 succeeded: OK.\n", !IO)
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else
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io.write_string("middle case nondet test 3 failed: BUG.\n", !IO)
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),
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( if middle(200) then
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io.write_string("middle case nondet test 4 succeeded: OK.\n", !IO)
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else
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io.write_string("middle case nondet test 4 failed: BUG.\n", !IO)
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),
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( if worst(100) then
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io.write_string("worst case nondet test 1 succeeded: BUG.\n", !IO)
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else
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io.write_string("worst case nondet test 1 failed: OK.\n", !IO)
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),
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( if worst(180) then
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io.write_string("worst case nondet test 2 succeeded: OK.\n", !IO)
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else
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io.write_string("worst case nondet test 2 failed: BUG.\n", !IO)
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),
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( if worst(190) then
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io.write_string("worst case nondet test 3 succeeded: OK.\n", !IO)
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else
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io.write_string("worst case nondet test 3 failed: BUG.\n", !IO)
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),
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( if worst(200) then
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io.write_string("worst case nondet test 4 succeeded: OK.\n", !IO)
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else
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io.write_string("worst case nondet test 4 failed: BUG.\n", !IO)
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).
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:- pred best(int::in) is semidet.
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best(A) :-
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test(A, _).
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:- pred middle(int::in) is semidet.
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middle(A0) :-
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(
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A1 = A0 + 10
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;
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A1 = A0 + 20
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;
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A1 = A0 + 30
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),
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test(A1, _).
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:- pred worst(int::in) is semidet.
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worst(A0) :-
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addsome(A0, A1),
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test(A1, _).
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:- pred addsome(int::in, int::out) is multi.
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addsome(A0, A1) :-
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(
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A1 = A0 + 10
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;
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A1 = A0 + 20
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;
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A1 = A0 + 30
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).
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:- pred test(int::in, int::out) is nondet.
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test(A, B) :-
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A > 200,
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(
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B = A
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;
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B = A * 2
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;
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B = A * 3
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).
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