public void NumberPermuterShouldWorkForThreeNumbers()
{
var output = SimpleNumberPermuter.GeneratePermutationsLists(3);
var predicted = new[]
{
new[] { 1, 2, 3 }.ToList(),
new[] { 1, 3, 2 }.ToList(),
new[] { 2, 1, 3 }.ToList(),
new[] { 2, 3, 1 }.ToList(),
new[] { 3, 1, 2 }.ToList(),
new[] { 3, 2, 1 }.ToList()
}.ToList();
output.Count().Should().Be(predicted.Count());
IEnumerable <bool> x = output.Zip(predicted, ((o, p) => o.SequenceEqual(p)));
if (x.All(val => val))
{
Assert.Pass();
}
else
{ //This test is innaccurate, but gives a much more debuggable output.
predicted.Should().Equal(output);
}
}
public IEnumerable <DelacorteGrid> GenerateAllGridsFromScratch()
{
foreach (var permutation in SimpleNumberPermuter.GeneratePermutationsLists(N * N))
{
yield return(new DelacorteGrid(ListToGridByTripleLoop(permutation)));
}
}
public IEnumerable <DelacorteGrid> GenerateAllGridsGivenPartialGrid(DelacorteGrid startingGrid)
{
List <int> remainingValuesToBeFilled = startingGrid.IdentifyUnusedValues();
foreach (var permutation in SimpleNumberPermuter.GeneratePermutationsOfList(remainingValuesToBeFilled))
{
yield return(startingGrid.FillToCreateNewGrid(permutation));
}
}
static void PermuteTimeBenchmark()
{
for (int i = 0; i < 10; i++)
{
var x = new Stopwatch();
x.Start();
List <int> y = null;
foreach (var force in SimpleNumberPermuter.GeneratePermutationsLists(10))
{
y = force.ToList();
}
Console.WriteLine(y);
x.Stop();
Console.WriteLine(x.ElapsedMilliseconds);
}
}
