private static void AssertAreEqual(VowpalWabbitMultiworldTesting.PoliciesPerformance actual, params float[] expected)
{
Assert.AreEqual(expected.Length, actual.NumConstantPolicies + 1);
Assert.AreEqual(expected[0], actual.LearnedPolicy, 0.0001, "Learned policy differs");
int i = 1;
foreach (var value in actual.ConstantPolicies)
{
Assert.AreEqual(expected[i], value, 0.0001, "Constant policy " + i + " differs");
i++;
}
}
public void TestMultiworldTesting()
{
using (var mwt = new VowpalWabbitMultiworldTesting())
{
AssertAreEqual(
mwt.Evaluate(1, 2, new ContextualBanditLabel { Action = 1, Probability = .5f }),
0f, 0f, 0f);
AssertAreEqual(
mwt.Evaluate(1, 2, new ContextualBanditLabel { Action = 2, Probability = .5f, Cost = 1 }),
0f, 0f, 1f);
AssertAreEqual(
mwt.Evaluate(1, 2, new ContextualBanditLabel { Action = 1, Probability = .5f }),
0, 0, 0.6666667f);
}
}
