using NUnit.Framework;

namespace Funique.Test
{
    public sealed partial class ManagerTest
    {
        /// <summary>
        /// Testing the enum cycle functionality <br />
        /// ------------------------------------------------ <br />
        /// 測試列舉迴圈元件功能
        /// </summary>
        public sealed class EnumCycleTest
        {
            EnumCycle<AudioMode> t;
            AudioMode v;
            int i;

            [OneTimeSetUp]
            public void Setup()
            {
                v = AudioMode.NONE;
                i = 0;
                t = new EnumCycle<AudioMode>();
            }

            [Test]
            public void Integer_Loop()
            {
                i = t.Next(i);
                Assert.AreEqual(1, i, "Integer loop error");
                i = t.Next(i);
                Assert.AreEqual(2, i, "Integer loop error");
                i = t.Next(i);
                Assert.AreEqual(0, i, "Integer loop error");
            }

            [Test]
            public void EnumReference_Loop()
            {
                v = t.Next(v);
                Assert.AreEqual(AudioMode.NORMAL, v, "Integer loop error");
                v = t.Next(v);
                Assert.AreEqual(AudioMode.TBE, v, "Integer loop error");
                v = t.Next(v);
                Assert.AreEqual(AudioMode.NONE, v, "Integer loop error");
            }
        }
    }
}