using NUnit.Framework;
using StyletIoC;
using System;

namespace StyletUnitTests.StyletIoC.StyletIoC
{
    [TestFixture]
    public class StyletIoCInstanceBindingTests
    {
        interface I1 { }
        class C1 : I1 { }
        class C2 : IDisposable
        {
            public bool Disposed;
            public void Dispose()
            {
                this.Disposed = true;
            }
        }

        [Test]
        public void InstanceBindingUsesInstanceToResolve()
        {
            var c1 = new C1();

            var builder = new StyletIoCBuilder();
            builder.Bind<I1>().ToInstance(c1);
            var ioc = builder.BuildContainer();

            Assert.AreEqual(c1, ioc.Get<I1>());
            Assert.AreEqual(c1, ioc.Get<I1>());
        }

        [Test]
        public void ContainerDisposesOfInstanceBindingIfRequested()
        {
            var c2 = new C2();

            var builder = new StyletIoCBuilder();
            builder.Bind<C2>().ToInstance(c2);
            var ioc = builder.BuildContainer();

            ioc.Dispose();
            Assert.True(c2.Disposed);
        }

        [Test]
        public void ContainerDoesNotDisposeOfInstanceBindingIfNotRequested()
        {
            var c2 = new C2();

            var builder = new StyletIoCBuilder();
            builder.Bind<C2>().ToInstance(c2).DisposeWithContainer(false);
            var ioc = builder.BuildContainer();

            ioc.Dispose();
            Assert.False(c2.Disposed);
        }
    }
}