public void GetRandomItemReturnsUnequallyProbableItemsWithExpectedProbability()
{
var items = new[] { "Moat", "Smithy", "Village", "Market" };
var randomNumbers = new[] { 0, 1, 2, 3, 4 };
var distribution = new ProbabilityDistribution(new RandomNumberProviderStub(randomNumbers), items);
distribution.IncreaseLikelihood("Village");
var occurances = new Dictionary <string, int>();
foreach (var item in items)
{
occurances[item] = 0;
}
for (int i = 0; i < randomNumbers.Length; i++)
{
occurances[distribution.RandomItem(items)]++;
}
var expected = new Dictionary <string, int>
{
{ "Moat", 1 },
{ "Smithy", 1 },
{ "Village", 2 },
{ "Market", 1 }
};
CollectionAssert.AreEquivalent(expected, occurances);
}
public void GetRandomItemReturnsUnequallyProbableItemsWithExpectedProbability()
{
var items = new[] { "Moat", "Smithy", "Village", "Market" };
var randomNumbers = new[] { 0, 1, 2, 3, 4 };
var distribution = new ProbabilityDistribution(new RandomNumberProviderStub(randomNumbers), items);
distribution.IncreaseLikelihood("Village");
var occurances = new Dictionary<string, int>();
foreach (var item in items)
occurances[item] = 0;
for (int i = 0; i < randomNumbers.Length; i++)
occurances[distribution.RandomItem(items)]++;
var expected = new Dictionary<string, int>
{
{"Moat", 1},
{"Smithy", 1},
{"Village", 2},
{"Market", 1}
};
CollectionAssert.AreEquivalent(expected, occurances);
}