Tests/MathCore.Tests/Optimization/Swarm2DTests.cs - dev - shmachilin/MathCore

Tests/MathCore.Tests/Optimization/Swarm2DTests.cs

79 строк2 KB

Infarh

Рефакторинг модульных тестов

20 окт 2022, 06:06

20 окт 2022, 06:065dbefb5

using MathCore.Optimization.ParticleSwarm;

namespace MathCore.Tests.Optimization;

[TestClass]
public class Swarm2DTests
{
    private const double __X0 = 5;
    private const double __Y0 = -7;
    private const double __Z0 = 10;

    private static double F0(double x, double y) => x * x + y * y;
    private static double F(double x, double y) => F0(x - __X0, y - __Y0) + __Z0;
    private static double FNeg(double x, double y) => -F(x, y);

    [TestMethod]
    public void Minimize()
    {
        var swarm = new Swarm2D();
        swarm.Minimize(
            F,
            MinX: -10, MaxX: 10,
            MinY: -10, MaxY: 10,
            IterationCount: 1000,
            out var X, out var Y,
            out var Z);
        Assert.That.Value(X).IsEqual(__X0, 3.0e-8);
        Assert.That.Value(Y).IsEqual(__Y0, 3.0e-8);
        Assert.That.Value(Z).IsEqual(__Z0);
    }

    [TestMethod]
    public void MinimizeInterval()
    {
        var swarm = new Swarm2D();
        swarm.Minimize(
            F,
            (-10, 10),
            (-10, 10),
            IterationCount: 1000,
            out var X, out var Y,
            out var Z);
        Assert.That.Value(X).IsEqual(__X0, 3.0e-8);
        Assert.That.Value(Y).IsEqual(__Y0, 3.0e-8);
        Assert.That.Value(Z).IsEqual(__Z0);
    }

    [TestMethod]
    public void Maximize()
    {
        var swarm = new Swarm2D();
        swarm.Maximize(
            FNeg,
            MinX: -10, MaxX: 10,
            MinY: -10, MaxY: 10,
            IterationCount: 1000,
            out var X, out var Y,
            out var Z);
        Assert.That.Value(X).IsEqual(__X0, 3.0e-8);
        Assert.That.Value(Y).IsEqual(__Y0, 3.0e-8);
        Assert.That.Value(Z).IsEqual(-__Z0);
    }

    [TestMethod]
    public void MaximizeInterval()
    {
        var swarm = new Swarm2D();
        swarm.Maximize(
            FNeg,
            (-10, 10),
            (-10, 10),
            IterationCount: 1000,
            out var X, out var Y,
            out var Z);
        Assert.That.Value(X).IsEqual(__X0, 3.0e-8);
        Assert.That.Value(Y).IsEqual(__Y0, 3.0e-8);
        Assert.That.Value(Z).IsEqual(-__Z0);
    }
}