maui-linux/Xamarin.Forms.Core.UnitTests/MapSpanTests.cs

using NUnit.Framework;
using Xamarin.Forms.Maps;

namespace Xamarin.Forms.Core.UnitTests
{
	[TestFixture]
	public class MapSpanTests : BaseTestFixture
	{
		[Test]
		public void Constructor ()
		{
			var span = new MapSpan (new Position(0, 0), 1, 1);

			Assert.AreEqual (new Position (0, 0), span.Center);
			Assert.AreEqual (1, span.LatitudeDegrees);
			Assert.AreEqual (1, span.LongitudeDegrees);
			Assert.IsTrue (span.Radius.Kilometers > 54 && span.Radius.Kilometers < 56);
		}

		[Test]
		public void Equals ()
		{
			Assert.True (new MapSpan (new Position (1, 2), 3, 4) == new MapSpan (new Position (1, 2), 3, 4));
			Assert.True (new MapSpan (new Position (1, 2), 3, 4) != new MapSpan (new Position (2, 3), 4, 5));
			Assert.True (new MapSpan (new Position (1, 2), 3, 4).Equals (new MapSpan (new Position (1, 2), 3, 4)));
			Assert.False (new MapSpan (new Position (1, 2), 3, 4).Equals ("MapSpan"));
			Assert.False (new MapSpan (new Position (1, 2), 3, 4).Equals (null));
		}

		[Test]
		public void HashCode ()
		{
			Assert.AreEqual (new MapSpan (new Position (1, 2), 3, 4).GetHashCode (), new MapSpan (new Position (1, 2), 3, 4).GetHashCode ());
		}

		[Test]
		public void RangeClamping ()
		{
			var span = new MapSpan (new Position (0, 0), -1, -2);
			Assert.IsTrue (span.LatitudeDegrees > 0);
			Assert.IsTrue (span.LongitudeDegrees > 0);
		}
	}
}