using Amphora;
using Azimuth;
using System;
using UnitTestSharp;

namespace Glass.UnitTests
{
    public class ClickBehaviorTests : TestFixture
    {
        public class DoubleClickTimeTests : TestFixture
        {
            public void DefaultsToHalfASecond()
            {
                CheckEqual(Duration.FromMilliseconds(500), new ClickBehavior().DoubleClickTime);
            }

            public void Assigned_IsKept()
            {
                var behavior = new ClickBehavior { DoubleClickTime = Duration.FromMilliseconds(250) };

                CheckEqual(Duration.FromMilliseconds(250), behavior.DoubleClickTime);
            }

            public void Zero_IsKept()
            {
                var behavior = new ClickBehavior { DoubleClickTime = Duration.Zero };

                CheckEqual(Duration.Zero, behavior.DoubleClickTime);
            }

            public void Forever_IsKept()
            {
                var behavior = new ClickBehavior { DoubleClickTime = Duration.Forever };

                CheckEqual(Duration.Forever, behavior.DoubleClickTime);
            }

            public void Negative_Throws()
            {
                var behavior = new ClickBehavior();

                CheckThrow(typeof(ArgumentOutOfRangeException));
                behavior.DoubleClickTime = Duration.FromMilliseconds(-1);
            }

            public void Rejected_LeavesTheTimeAlone()
            {
                var behavior = new ClickBehavior();

                try
                {
                    behavior.DoubleClickTime = Duration.FromMilliseconds(-1);
                }
                catch (ArgumentOutOfRangeException)
                {
                }

                CheckEqual(Duration.FromMilliseconds(500), behavior.DoubleClickTime);
            }
        }

        public class DoubleClickSizeTests : TestFixture
        {
            public void DefaultsToFourByFour()
            {
                CheckEqual(new Vector(4, 4), new ClickBehavior().DoubleClickSize);
            }

            public void Assigned_IsKept()
            {
                var behavior = new ClickBehavior { DoubleClickSize = new Vector(6, 8) };

                CheckEqual(new Vector(6, 8), behavior.DoubleClickSize);
            }

            public void Zero_IsKept()
            {
                var behavior = new ClickBehavior { DoubleClickSize = Vector.Zero };

                CheckEqual(Vector.Zero, behavior.DoubleClickSize);
            }

            public void NegativeWidth_Throws()
            {
                var behavior = new ClickBehavior();

                CheckThrow(typeof(ArgumentOutOfRangeException));
                behavior.DoubleClickSize = new Vector(-1, 4);
            }

            public void NegativeHeight_Throws()
            {
                var behavior = new ClickBehavior();

                CheckThrow(typeof(ArgumentOutOfRangeException));
                behavior.DoubleClickSize = new Vector(4, -1);
            }

            public void NaNWidth_Throws()
            {
                var behavior = new ClickBehavior();

                CheckThrow(typeof(ArgumentOutOfRangeException));
                behavior.DoubleClickSize = new Vector(double.NaN, 4);
            }

            public void NaNHeight_Throws()
            {
                var behavior = new ClickBehavior();

                CheckThrow(typeof(ArgumentOutOfRangeException));
                behavior.DoubleClickSize = new Vector(4, double.NaN);
            }

            public void Rejected_LeavesTheSizeAlone()
            {
                var behavior = new ClickBehavior();

                try
                {
                    behavior.DoubleClickSize = new Vector(-1, 4);
                }
                catch (ArgumentOutOfRangeException)
                {
                }

                CheckEqual(new Vector(4, 4), behavior.DoubleClickSize);
            }
        }
    }
}