Unit test added for SvgPointCollection.ToString method

Tests/Svg.UnitTests/Svg.UnitTests.csproj

@@ -62,6 +62,7 @@
     <Compile Include="PrivateFontsTests.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="SmallEmbeddingImageTest.cs" />
+    <Compile Include="SvgPointCollectionTests.cs" />
     <Compile Include="SvgTestHelper.cs" />
   </ItemGroup>
   <ItemGroup>

Tests/Svg.UnitTests/SvgPointCollectionTests.cs

+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace Svg.UnitTests {
+
+    [TestClass]
+    public class SvgPointCollectionTests 
+    {
+
+        [TestMethod]
+        public void ToStringReturnsValidString() 
+        {
+            var collection = new SvgPointCollection 
+            {
+                new SvgUnit(1.6f), new SvgUnit(3.2f),
+                new SvgUnit(1.2f), new SvgUnit(5f)
+            };
+            Assert.AreEqual("1.6,3.2 1.2,5", collection.ToString());
+        }
+    }
+}