public void Cross0By0()
{
var set1 = new int[0];
var set2 = new int[0];
var set1TimesSet2 = SetOperations <int> .CrossProduct(new[] { set1, set2 }).ToArray();
Assert.AreEqual(0, set1TimesSet2.Length);
}
private static IEnumerable <Group> NaiveSolverFull(IEnumerable <Color> colors)
{
var colourPointsPerColor = from color in colors
select color.Points.Select(colorValue => new ColorPoint(colorValue, color));
var groupCandidates = from colorPointCombination in SetOperations <ColorPoint> .CrossProduct(colourPointsPerColor)
select new Group(colorPointCombination);
return(groupCandidates.Where(IsGroupValid));
}
public void Cross2By3()
{
var set1 = new[] { 1, 2 };
var set2 = new[] { 7, 8, 9 };
var set1TimesSet2 = SetOperations <int> .CrossProduct(new[] { set1, set2 }).ToArray();
Assert.AreEqual(6, set1TimesSet2.Length);
var expected = new[]
{
new[] { 1, 7 },
new[] { 1, 8 },
new[] { 1, 9 },
new[] { 2, 7 },
new[] { 2, 8 },
new[] { 2, 9 }
};
for (int i = 0; i < 6; i++)
{
CollectionAssert.AreEqual(expected[i], set1TimesSet2[i]);
}
}