using System;
using Deltares.DamEngine.Calculators.KernelWrappers.Common;
using NUnit.Framework;

namespace Deltares.DamEngine.Calculators.Tests.KernelWrappers.Common
{
    [TestFixture]
    public class DamPipingHelperTests
    {
        [Test]
        public void TestDetermineHeightCoverLayer()
        {
            // Top of aquifer is below surface level
            var topLevelAquifer = 3.0;
            var surfaceLevel = 5.0;
            // expected height = 5 - 3 = 2
            var height = DamPipingHelper.DetermineHeightCoverLayer(topLevelAquifer, surfaceLevel);
            Assert.AreEqual(2.0, height);

            // Top of aquifer is above surface level
            topLevelAquifer = 3.0;
            surfaceLevel = 1.0;
            // expected height = 0
            height = DamPipingHelper.DetermineHeightCoverLayer(topLevelAquifer, surfaceLevel);
            Assert.AreEqual(0.0, height);
        }
    }
}