public void VerifySolver()
{
var solutions = new List <ChangeMaker>();
IEnumerable <string> ReportTimeSpan(TimeSpan elapsed)
{
if (elapsed.Hours != 0)
{
yield return($"{elapsed.Hours} hours");
}
if (elapsed.Minutes != 0)
{
yield return($"{elapsed.Minutes} minutes");
}
if (elapsed.Seconds != 0)
{
yield return($"{elapsed.Seconds} seconds");
}
if (elapsed.Milliseconds != 0)
{
yield return($"{elapsed.Milliseconds} milliseconds");
}
}
using (var ps = new ChangeMakerProblemSolver())
{
ps.Solved += (sender, e) =>
{
solutions.Add(e.Solution);
};
Assert.True(ps.TrySolve());
OutputHelper.WriteLine($"Solver ran in {Join(" ", ReportTimeSpan(ps.Elapsed))}");
}
const int expectedSolutionCount = 73681;
Assert.Equal(expectedSolutionCount, solutions.Count);
OutputHelper.WriteLine($"There were {solutions.Count} possible solutions.");
// The lion's share of test time is spent here reporting the actual results.
foreach (var s in solutions)
{
OutputHelper.WriteLine($"{s}");
}
}
/// <summary>
/// We need to do this to prevent premature Garbage Collection.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="x"></param>
/// <param name="problemSolver"></param>
/// <returns></returns>
public static T Register <T>(this T x, ChangeMakerProblemSolver problemSolver)
{
problemSolver.ClrObjects.Add(x);
return(x);
}