/*  OpenTally: Open-source election vote counting
 *  Copyright © 2021 Lee Yingtong Li (RunasSudo)
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

mod utils;

use opentally::election::{CountState, Election};
use opentally::numbers::Rational;
use opentally::parser::blt;
use opentally::stv;
use opentally::ties::TieStrategy;

#[test]
fn insufficient_candidates1() {
	let stv_opts = stv::STVOptionsBuilder::default()
		.ties(vec![TieStrategy::Random(String::new())])
		.build().unwrap();
	
	let mut election: Election<Rational> = blt::parse_path("tests/data/insufficient_candidates1.blt").expect("Syntax Error");
	stv::preprocess_election(&mut election, &stv_opts);
	
	let mut state = CountState::new(&election);
	
	stv::count_init(&mut state, &stv_opts).unwrap();
	
	loop {
		let result = stv::count_one_stage::<Rational>(&mut state, &stv_opts);
		match result {
			Ok(done) => { assert_eq!(done, false); }
			Err(err) => {
				assert_eq!(err, stv::STVError::CannotCompleteCount("Insufficient continuing candidates to complete count"));
				break;
			}
		}
	}
}

#[test]
fn insufficient_candidates2() {
	let stv_opts = stv::STVOptionsBuilder::default()
		.ties(vec![TieStrategy::Random(String::new())])
		.build().unwrap();
	
	let mut election: Election<Rational> = blt::parse_path("tests/data/insufficient_candidates2.blt").expect("Syntax Error");
	stv::preprocess_election(&mut election, &stv_opts);
	
	let mut state = CountState::new(&election);
	
	stv::count_init(&mut state, &stv_opts).unwrap();
	
	loop {
		let result = stv::count_one_stage::<Rational>(&mut state, &stv_opts);
		match result {
			Ok(done) => { assert_eq!(done, false); }
			Err(err) => {
				assert_eq!(err, stv::STVError::CannotCompleteCount("Insufficient continuing candidates to complete count"));
				break;
			}
		}
	}
}