public void inbetween()
{
var solver = new RelativeOrderSolver <RelativeOrderItem>(Identity);
var item1 = new RelativeOrderItem();
var item3 = new RelativeOrderItem();
var item2 = new RelativeOrderItem().Before(item3).After(item1);
solver.SolveFor(new[] { item1, item3, item2 });
var indexByItem = solver
.Select((item, index) => (item, index))
.ToDictionary(p => p.item, p => p.index);
Assert.Less(indexByItem[item1], indexByItem[item2]);
Assert.Less(indexByItem[item2], indexByItem[item3]);
}
public void beforeBackward()
{
var solver = new RelativeOrderSolver <RelativeOrderItem>(Identity);
var item4 = new RelativeOrderItem();
var item3 = new RelativeOrderItem().Before(item4);
var item2 = new RelativeOrderItem().Before(item3);
var item1 = new RelativeOrderItem().Before(item4).Before(item3).Before(item2);
solver.SolveFor(new[] { item4, item3, item2, item1 });
var indexByItem = solver
.Select((item, index) => (item, index))
.ToDictionary(p => p.item, p => p.index);
Assert.Less(indexByItem[item1], indexByItem[item2]);
Assert.Less(indexByItem[item2], indexByItem[item3]);
Assert.Less(indexByItem[item3], indexByItem[item4]);
}
