/**
 * Warranty & Liability
 * To the extent permitted by applicable law and unless explicitly
 * otherwise agreed upon, XLOG Technologies AG makes no warranties
 * regarding the provided information. XLOG Technologies AG assumes
 * no liability that any problems might be solved with the information
 * provided by XLOG Technologies AG.
 *
 * Rights & License
 * All industrial property rights regarding the information - copyright
 * and patent rights in particular - are the sole property of XLOG
 * Technologies AG. If the company was not the originator of some
 * excerpts, XLOG Technologies AG has at least obtained the right to
 * reproduce, change and translate the information.
 *
 * Reproduction is restricted to the whole unaltered document. Reproduction
 * of the information is only allowed for non-commercial uses. Selling,
 * giving away or letting of the execution of the library is prohibited.
 * The library can be distributed as part of your applications and libraries
 * for execution provided this comment remains unchanged.
 *
 * Restrictions
 * Only to be distributed with programs that add significant and primary
 * functionality to the library. Not to be distributed with additional
 * software intended to replace any components of the library.
 *
 * Trademarks
 * Jekejeke is a registered trademark of XLOG Technologies AG.
 */

:- multifile(runner_case/5).
:- discontiguous(runner_case/5).

:- multifile(runner_pred/5).
:- discontiguous(runner_pred/5).

:- multifile(runner_file/3).
runner_file(events, after, 'XLOG 4.1 timer').

/****************************************************************/
/* Timer extras                                                 */
/****************************************************************/

% time_once(+Term, -Integer)
time_once(G, C) :-
   statistics(time, A),
   sys_trap(G, _, true),
   statistics(time, B),
   C is B-A.

/* sleep(X) */

runner_pred(sleep,1, events, after, 'XLOG 4.1.1').
runner_case(sleep,1, events, after, 'XLOG 4.1.1, XLOG 1') :-
   time_once(sleep(1000), X),
   X > 750.
runner_case(sleep,1, events, after, 'XLOG 4.1.1, XLOG 2') :-
   catch(sleep(-1), error(E,_), true),
   E == domain_error(not_less_than_zero, -1).

/* call_with_time_limit(X, Y) */

runner_pred(call_with_time_limit,2, events, after, 'XLOG 4.1.2').
runner_case(call_with_time_limit,2, events, after, 'XLOG 4.1.2, XLOG 1') :-
   time_once(call_with_time_limit(500, sleep(1000)), X),
   X < 750.
runner_case(call_with_time_limit,2, events, after, 'XLOG 4.1.2, XLOG 2') :-
   sys_trap(call_with_time_limit(500, sleep(1000)), error(E,_), true),
   E == system_error(timelimit_exceeded).
runner_case(call_with_time_limit,2, events, after, 'XLOG 4.1.2, XLOG 3') :-
   catch(call_with_time_limit(-1, foo), error(E,_), true),
   E == domain_error(not_less_than_zero, -1).