/CryMono/CryBrary.Tests/Async/AwaiterTests.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using CryEngine;
using CryEngine.Async;
using CryEngine.Async.Jobs;
using Moq;
using NUnit.Framework;

namespace CryBrary.Tests.Async
{
    public class AwaiterTests
    {
        public AwaiterTests()
        {
            Awaiter.Instance.Jobs.Clear();
        }

        [Test]
        public void OnUpdate_FrameDelayJob_ExpiredJobRemovedCorrectly()
        {
            // Arrange
            var task = Delay.FrameDelay(1);

            // Act
            Awaiter.Instance.OnUpdate(1);

            // Assert
            Assert.AreEqual(0,Awaiter.Instance.Jobs.Count);
        }

        [Test]
        public void OnUpdate_FrameDelayJob_DoNotRemoveJobsTooEarly()
        {
            // Arrange
            var task = Delay.FrameDelay(5);
            var task2 = Delay.FrameDelay(20);
            var task3 = Delay.FrameDelay(10);
            var task4 = Delay.FrameDelay(3);
            var task5 = Delay.FrameDelay(4);

            // Act
            Awaiter.Instance.OnUpdate(1);
            Awaiter.Instance.OnUpdate(1);
            Awaiter.Instance.OnUpdate(1);
            Awaiter.Instance.OnUpdate(1);


            // Assert
            Assert.AreEqual(3, Awaiter.Instance.Jobs.Count);
        }

        [Test]
        public  void OnUpdate_MockJob_IsUpdated()
        {
            // Arrange
            bool updateCalled = false;
            Mock<IAsyncJob> job = new Mock<IAsyncJob>();
            job.Setup(j => j.Update(It.IsAny<float>())).Callback(() => updateCalled = true).Returns(true);

            // Act
            Awaiter.Instance.Jobs.Add(job.Object);
            Awaiter.Instance.OnUpdate(1);

            // Assert
            Assert.True(updateCalled);
        }

    }
}