using UnitTestSharp;

namespace Amphora.UnitTests
{
    public class ExceptionSiteTests : TestFixture
    {
        public class CtorTests : TestFixture
        {
            public void KeepsTheTargetAndPhase()
            {
                var target = new object();

                var site = new ExceptionSite(target, phase: 7);

                CheckEqual(target, site.Target);
                CheckEqual(7, site.Phase);
            }
        }

        public class EqualsTests : TestFixture
        {
            public void SameTargetAndPhase_AreEqual()
            {
                var target = new object();
                CheckTrue(new ExceptionSite(target, phase: 1).Equals(new ExceptionSite(target, phase: 1)));
            }

            public void DifferentPhases_AreNotEqual()
            {
                var target = new object();
                CheckFalse(new ExceptionSite(target, phase: 1).Equals(new ExceptionSite(target, phase: 2)));
            }

            public void DifferentTargets_AreNotEqual()
            {
                CheckFalse(new ExceptionSite(new object(), phase: 1).Equals(new ExceptionSite(new object(), phase: 1)));
            }

            public void TargetsThatMerelyCompareEqual_AreNotEqual()
            {
                string target = "target";
                string equalTarget = new string(target.ToCharArray());

                CheckFalse(new ExceptionSite(target, phase: 1).Equals(new ExceptionSite(equalTarget, phase: 1)));
            }

            public void BoxedEqualSite_IsEqual()
            {
                var target = new object();
                object boxed = new ExceptionSite(target, phase: 1);

                CheckTrue(new ExceptionSite(target, phase: 1).Equals(boxed));
            }

            public void SomethingOtherThanASite_IsNotEqual()
            {
                var target = new object();
                CheckFalse(new ExceptionSite(target, phase: 1).Equals(target));
            }
        }

        public class GetHashCodeTests : TestFixture
        {
            public void EqualSites_HashTheSame()
            {
                var target = new object();
                CheckEqual(new ExceptionSite(target, phase: 3).GetHashCode(),
                    new ExceptionSite(target, phase: 3).GetHashCode());
            }

            public void NullTarget_Hashes()
            {
                CheckEqual(new ExceptionSite(null, phase: 3).GetHashCode(),
                    new ExceptionSite(null, phase: 3).GetHashCode());
            }
        }

        public class ToStringTests : TestFixture
        {
            public void NamesTheTargetAndThePhase()
            {
                CheckEqual("okButton phase 2", new ExceptionSite("okButton", phase: 2).ToString());
            }
        }
    }
}