Added tests for size extensions

Author: Sergio0694

UnitTests/UnitTests.UWP/Extensions/Test_SizeExtensions.cs

@@ -0,0 +1,62 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Windows.Foundation;
+using Microsoft.Toolkit.Uwp.Extensions;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace UnitTests.Extensions
+{
+    [TestClass]
+    public class Test_SizeExtensions
+    {
+        [TestCategory("SizeExtensions")]
+        [TestMethod]
+        [DataRow(0d, 0d)]
+        [DataRow(3.14d, 6.55f)]
+        [DataRow(double.MinValue, double.Epsilon)]
+        public static void Test_SizeExtensions_ToRect_FromSize(double width, double height)
+        {
+            Size s = new Size(width, height);
+            Rect
+                a = s.ToRect(),
+                b = new Rect(0, 0, s.Width, s.Height);
+
+            Assert.AreEqual(a, b);
+        }
+
+        [TestCategory("SizeExtensions")]
+        [TestMethod]
+        [DataRow(0d, 0d, 0, 0)]
+        [DataRow(0d, 0d, 22, 6.89d)]
+        [DataRow(3.14d, 6.55f, 3838d, 3.24724928d)]
+        [DataRow(double.MinValue, double.Epsilon, 22, 0.3248d)]
+        public static void Test_SizeExtensions_ToRect_FromSizeAndPosition(double width, double height, int x, int y)
+        {
+            Size s = new Size(width, height);
+            Rect
+                a = s.ToRect(x, y),
+                b = new Rect(x, y, s.Width, s.Height);
+
+            Assert.AreEqual(a, b);
+        }
+
+        [TestCategory("SizeExtensions")]
+        [TestMethod]
+        [DataRow(0d, 0d, 0, 0)]
+        [DataRow(0d, 0d, 22, 6.89d)]
+        [DataRow(3.14d, 6.55f, 3838d, 3.24724928d)]
+        [DataRow(double.MinValue, double.Epsilon, 22, 0.3248d)]
+        public static void Test_SizeExtensions_ToRect_FromSizeAndPoint(double width, double height, int x, int y)
+        {
+            Point p = new Point(x, y);
+            Size s = new Size(width, height);
+            Rect
+                a = s.ToRect(p),
+                b = new Rect(p, s);
+
+            Assert.AreEqual(a, b);
+        }
+    }
+}

UnitTests/UnitTests.UWP/UnitTests.UWP.csproj

@@ -138,6 +138,7 @@
     <Compile Include="Converters\Test_StringFormatConverter.cs" />
     <Compile Include="Converters\Test_TypeToObjectConverter.cs" />
     <Compile Include="Extensions\Helpers\ObjectWithNullableBoolProperty.cs" />
+    <Compile Include="Extensions\Test_SizeExtensions.cs" />
     <Compile Include="Extensions\Test_BitmapIconExtensionMarkupExtension.cs" />
     <Compile Include="Extensions\Test_FontIconSourceExtensionMarkupExtension.cs" />
     <Compile Include="Extensions\Test_FontIconExtensionMarkupExtension.cs" />