package jrummikub.ai.fdsolver;

import static org.junit.Assert.assertEquals;
import jrummikub.ai.fdsolver.constraint.LessThan;
import jrummikub.ai.fdsolver.constraint.LessThanConst;

import org.junit.Test;

public class SolverTest {
	@Test
	public void test() {
		Solver solver = new Solver();

		Var<Integer> x = solver.makeVar(1, 2, 3);
		Var<Integer> y = solver.makeRangeVar(1, 13);
		
		solver.addConstraint(new LessThan<Integer>(false, y, x));
		
		while (solver.solve()) {
			solver.record();
			solver.addConstraint(new LessThanConst<Integer>(false, x, x.getValue()));
		}
		solver.restore();
		assertEquals(2, (int)x.getValue());
		assertEquals(1, (int)y.getValue());
	}
}