public async Task TestBetaGetDensities() { // arrange var subject = new BetaDistribution(0.5, 0.5); var expected = (await GetNumDataAsync( "sapply(seq(qbeta(0.3, 0.5, 0.5), qbeta(0.7, 0.5, 0.5), length.out = 5), function(cd){dbeta(cd, 0.5, 0.5)})" ))[0].Data.ToArr(); // act var(_, actual) = subject.GetDensities(0.3, 0.7, 5); // assert Assert.IsTrue(actual.Count == 5); expected.Iter((i, d) => Assert.AreEqual(d, actual[i], Base.Constant.TOLERANCE)); }