using System;
using UnitTestSharp;

namespace Susurrus.UnitTests
{
    public class SoundTests : TestFixture
    {
        public class CtorTests : TestFixture
        {
            public void AcceptsZeroDuration()
            {
                CheckEqual(TimeSpan.Zero, new Sound(TimeSpan.Zero, channelCount: 1).Duration);
            }

            public void RejectsNegativeDuration()
            {
                CheckThrow(typeof(ArgumentOutOfRangeException));
                new Sound(TimeSpan.FromTicks(-1), channelCount: 1);
            }

            public void RejectsZeroChannels()
            {
                CheckThrow(typeof(ArgumentOutOfRangeException));
                new Sound(TimeSpan.FromSeconds(1), channelCount: 0);
            }

            public void RejectsNegativeChannels()
            {
                CheckThrow(typeof(ArgumentOutOfRangeException));
                new Sound(TimeSpan.FromSeconds(1), channelCount: -2);
            }
        }

        public class DurationTests : TestFixture
        {
            public void IsTheValueGiven()
            {
                CheckEqual(TimeSpan.FromMilliseconds(760), new Sound(TimeSpan.FromMilliseconds(760), 1).Duration);
            }
        }

        public class ChannelCountTests : TestFixture
        {
            public void IsTheValueGiven()
            {
                CheckEqual(2, new Sound(TimeSpan.FromSeconds(1), channelCount: 2).ChannelCount);
            }
        }
    }
}