mathnet-numerics/src/UnitTests/DistributionTests/CommonDistributionTests.cs

// <copyright file="GammaTests.cs" company="Math.NET">
// Math.NET Numerics, part of the Math.NET Project
// http://mathnet.opensourcedotnet.info
//
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namespace MathNet.Numerics.UnitTests.DistributionTests
{
    using System;
    using System.Linq;
    using MbUnit.Framework;
    using MathNet.Numerics.Distributions;

    [TestFixture]
    public class CommonDistributionTests
    {
        private IDistribution[] dists;

        [SetUp]
        public void SetupDistributions()
        {
            dists = new IDistribution[4];

            dists[0] = new Beta(1.0, 1.0);
            dists[1] = new ContinuousUniform(0.0, 1.0);
            dists[2] = new Gamma(1.0, 1.0);
            dists[3] = new Normal(0.0, 1.0);
        }

        [Test]
        [Row(0)]
        [Row(1)]
        [Row(2)]
        [Row(3)]
        public void CanCreateNormal(int i)
        {
            Assert.IsNotNull(dists[i].RandomSource);
        }

        [Test]
        [Row(0)]
        [Row(1)]
        [Row(2)]
        [Row(3)]
        public void CanSetRandomSource(int i)
        {
            dists[i].RandomSource = new Random();
        }

        [Test]
        [Row(0)]
        [Row(1)]
        [Row(2)]
        [Row(3)]
        [ExpectedException(typeof(ArgumentNullException))]
        public void FailSetRandomSourceWithNullReference(int i)
        {
            dists[i].RandomSource = null;
        }
    }
}