using System;
using System.Collections.Generic;
using System.Text;
using NUnit.Framework;

namespace SalsaModel.Tests
{
    public class MyAssert
    {
        public static void Similar(double expected, double actual, double epsilon)
        {
            double diff = expected - actual;
            Assert.IsTrue(diff * diff < epsilon * epsilon, "\n    expected: {0} +/- {1}\n     but was: {2}\n", expected, epsilon, actual);
        }
        public static void Similar(double expected, double actual, double epsilon, string message)
        {
            double diff = expected - actual;
            Assert.IsTrue(diff * diff < epsilon * epsilon, "{0}\n    expected: {1} +/- {2}\n     but was: {3}\n", message, expected, epsilon, actual);
        }

        public static void Similar(Location expected, Location actual, double epsilon)
        {
            double diffX = expected.X - actual.X;
            double diffY = expected.Y - actual.Y;
            double diffZ = expected.Z - actual.Z;

            Assert.IsTrue(diffX * diffX < epsilon * epsilon
                && diffY * diffY < epsilon * epsilon
                && diffZ * diffZ < epsilon * epsilon,
                "\n    expected: {0} +/- {1}\n     but was: {2}\n", expected, epsilon, actual);
        }

    }
}