1 files changed, 44 insertions, 0 deletions
diff --git a/Xamarin.Forms.Core.UnitTests/MapSpanTests.cs b/Xamarin.Forms.Core.UnitTests/MapSpanTests.cs
new file mode 100644
index 00000000..68645116
--- /dev/null
+++ b/Xamarin.Forms.Core.UnitTests/MapSpanTests.cs
@@ -0,0 +1,44 @@
+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);
+		}
+	}
+}