public void RemoveTest()
{
int[] weights = new[] { 2, 3, 5, 7 };
WeightedSelection <int> ws = new WeightedSelection <int>(
weights.ToList(),
i => i);
Assert.AreEqual(17, ws.TotalWeights);
CollectionAssert.AreEquivalent(weights, ws.Items);
CollectionAssert.AreEquivalent(new[] { 2, 5, 10, 17 }, ws.WeightCDF);
ws.Remove(1);
Assert.AreEqual(14, ws.TotalWeights);
CollectionAssert.AreEquivalent(new[] { 2, 5, 7 }, ws.Items);
CollectionAssert.AreEquivalent(new[] { 2, 7, 14 }, ws.WeightCDF);
}