%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
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%  Copyright 1998-2021 Paulo Moura <pmoura@logtalk.org>
%  SPDX-License-Identifier: Apache-2.0
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%  you may not use this file except in compliance with the License.
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%      http://www.apache.org/licenses/LICENSE-2.0
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:- object(tests,
	extends(lgtunit)).

	:- info([
		version is 1:1:0,
		author is 'Paulo Moura',
		date is 2019-02-12,
		comment is 'Unit tests for the threaded_peek/1-2 built-in predicates.'
	]).

	% threaded_peek/1 tests

	throws(threaded_peek_1_01, error(instantiation_error, logtalk(threaded_peek(_), _))) :-
		{threaded_peek(_)}.

	throws(threaded_peek_1_02, error(type_error(callable, 1), logtalk(threaded_peek(_), _))) :-
		{threaded_peek(1)}.

	% threaded_peek/2 tests

	throws(threaded_peek_2_01, error(instantiation_error, logtalk(threaded_peek(_,_), _))) :-
		{threaded_peek(_, _)}.

	throws(threaded_peek_2_02, error(type_error(callable, 1), logtalk(threaded_peek(_,_), _))) :-
		{threaded_peek(1, _)}.

	throws(threaded_peek_2_03, error(instantiation_error, logtalk(threaded_peek(_,_), _))) :-
		{threaded_peek(true, _)}.

	succeeds(threaded_peek_2_04) :-
		{threaded_call(true, Tag),
		 thread_sleep(1),
		 threaded_peek(true, Tag)}.

	succeeds(threaded_peek_2_05) :-
		{threaded_once(true, Tag),
		 thread_sleep(1),
		 threaded_peek(true, Tag)}.

:- end_object.
