// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.


using System.Net;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Rewrite.PatternSegments;
using Xunit;

namespace Microsoft.AspNetCore.Rewrite.Tests.PatternSegments
{
    public class IsIPV6SegmentTests
    {
        [Fact]
        public void IsIPv6_AssertNullRemoteIpAddressReportsCorrectValue()
        {
            // Arrange
            var segement = new IsIPV6Segment();
            var context = new RewriteContext { HttpContext = new DefaultHttpContext() };
            context.HttpContext.Connection.RemoteIpAddress = null;

            // Act
            var results = segement.Evaluate(context, null, null);

            // Assert
            Assert.Equal("off", results);
        }

        [Fact]
        public void IsIPv6_AssertCorrectBehaviorWhenIPv6IsUsed()
        {
            // Arrange
            var segement = new IsIPV6Segment();
            var context = new RewriteContext { HttpContext = new DefaultHttpContext() };
            context.HttpContext.Connection.RemoteIpAddress = IPAddress.Parse("2001:0db8:85a3:0000:0000:8a2e:0370:7334");

            // Act
            var results = segement.Evaluate(context, null, null);

            // Assert
            Assert.Equal("on", results);
        }

        [Fact]
        public void IsIPv6_AssertCorrectBehaviorWhenIPv4IsUsed()
        {
            // Arrange
            var segement = new IsIPV6Segment();
            var context = new RewriteContext { HttpContext = new DefaultHttpContext() };
            context.HttpContext.Connection.RemoteIpAddress = IPAddress.Parse("20.30.40.50");

            // Act
            var results = segement.Evaluate(context, null, null);

            // Assert
            Assert.Equal("off", results);
        }
    }
}
