1 files changed, 87 insertions, 0 deletions
diff --git a/Plugins/MonoGame.Extended/tests/MonoGame.Extended.Tests/Shapes/PolygonFTests.cs b/Plugins/MonoGame.Extended/tests/MonoGame.Extended.Tests/Shapes/PolygonFTests.cs
new file mode 100644
index 0000000..d052908
--- /dev/null
+++ b/Plugins/MonoGame.Extended/tests/MonoGame.Extended.Tests/Shapes/PolygonFTests.cs
@@ -0,0 +1,87 @@
+using Microsoft.Xna.Framework;
+using MonoGame.Extended.Shapes;
+using Xunit;
+
+namespace MonoGame.Extended.Tests.Shapes
+{
+    public class PolygonFTests
+    {
+        [Fact]
+        public void Polygon_Contains_Point_Test()
+        {
+            var vertices = new[]
+            {
+                new Vector2(0, 0),
+                new Vector2(10, 0),
+                new Vector2(10, 10),
+                new Vector2(0, 10)
+            };
+
+            var polygon = new Polygon(vertices);
+
+            Assert.True(polygon.Contains(new Vector2(5, 5)));
+            Assert.True(polygon.Contains(new Vector2(0.01f, 0.01f)));
+            Assert.True(polygon.Contains(new Vector2(9.99f, 9.99f)));
+            Assert.False(polygon.Contains(new Vector2(-1f, -1f)));
+            Assert.False(polygon.Contains(new Vector2(-11f, -11f)));
+        }
+
+        [Fact]
+        public void Polygon_Transform_Translation_Test()
+        {
+            var vertices = new[]
+            {
+                new Vector2(0, 0),
+                new Vector2(10, 0),
+                new Vector2(10, 10),
+                new Vector2(0, 10)
+            };
+
+            var polygon = new Polygon(vertices);
+            polygon.Offset(new Vector2(2, 3));
+
+            Assert.Equal(new Vector2(2, 3), polygon.Vertices[0]);
+            Assert.Equal(new Vector2(12, 3), polygon.Vertices[1]);
+            Assert.Equal(new Vector2(12, 13), polygon.Vertices[2]);
+            Assert.Equal(new Vector2(2, 13), polygon.Vertices[3]);
+        }
+
+        [Fact]
+        public void Polygon_Transform_Rotation_Test()
+        {
+            var vertices = new[]
+            {
+                new Vector2(-5, -5),
+                new Vector2(5, 10),
+                new Vector2(-5, 10)
+            };
+
+            var polygon = new Polygon(vertices);
+            polygon.Rotate(MathHelper.ToRadians(90));
+
+            const float tolerance = 0.01f;
+            Assert.True(new Vector2(5, -5).EqualsWithTolerence(polygon.Vertices[0], tolerance));
+            Assert.True(new Vector2(-10, 5).EqualsWithTolerence(polygon.Vertices[1], tolerance));
+            Assert.True(new Vector2(-10, -5).EqualsWithTolerence(polygon.Vertices[2], tolerance));
+        }
+
+        [Fact]
+        public void Polygon_Transform_Scale_Test()
+        {
+            var vertices = new[]
+            {
+                new Vector2(0, -1),
+                new Vector2(1, 1),
+                new Vector2(-1, 1)
+            };
+
+            var polygon = new Polygon(vertices);
+            polygon.Scale(new Vector2(1, -0.5f));
+
+            const float tolerance = 0.01f;
+            Assert.True(new Vector2(0, -0.5f).EqualsWithTolerence(polygon.Vertices[0], tolerance), "0");
+            Assert.True(new Vector2(2f, 0.5f).EqualsWithTolerence(polygon.Vertices[1], tolerance), "1");
+            Assert.True(new Vector2(-2f, 0.5f).EqualsWithTolerence(polygon.Vertices[2], tolerance), "2");
+        }
+    }
+}