using System.Net;
using AMWD.Common.Comparer;

namespace AMWD.Common.Tests.Comparer
{
	[TestClass]
	public class IPAddressComparerTest
	{
		[TestMethod]
		[DataRow("127.0.0.0", "127.0.0.1")]
		[DataRow("fe80::", "fe80::1")]
		[DataRow("::ffff:7f00:0", "127.0.0.1")]
		public void ShouldBeLessThan(string left, string right)
		{
			// Arrange
			var comparer = new IPAddressComparer();

			// Act
			int result = comparer.Compare(IPAddress.Parse(left), IPAddress.Parse(right));

			// Assert
			Assert.AreEqual(-1, result);
		}

		[TestMethod]
		[DataRow("127.0.0.1", "127.0.0.0")]
		[DataRow("fe80::1", "fe80::")]
		[DataRow("::ffff:7f00:1", "127.0.0.0")]
		public void ShouldBeGreaterThan(string left, string right)
		{
			// Arrange
			var comparer = new IPAddressComparer();

			// Act
			int result = comparer.Compare(IPAddress.Parse(left), IPAddress.Parse(right));

			// Assert
			Assert.AreEqual(1, result);
		}

		[TestMethod]
		[DataRow("127.0.0.1", "127.0.0.1")]
		[DataRow("fe80::1", "fe80::1")]
		[DataRow("::ffff:7f00:1", "127.0.0.1")]
		public void ShouldBeEqual(string left, string right)
		{
			// Arrange
			var comparer = new IPAddressComparer();

			// Act
			int result = comparer.Compare(IPAddress.Parse(left), IPAddress.Parse(right));

			// Assert
			Assert.AreEqual(0, result);
		}
	}
}