#11: add unit test to cover issue

Test.GBase/DataHandling/XmlDataHandlerTest.cs

@@ -143,6 +143,31 @@ namespace Test.GBase.DataHandling
             xmlDataWriterMock.Verify(w => w.Write<XmlDataHandlerTest, string>("property", "SomeString", false), Times.Once);
         }
 
+        [Test]
+        public async Task TestSetValueList()
+        {
+            Mock<IXmlDataReader> xmlDataReaderMock = new Mock<IXmlDataReader>();
+            Mock<IXmlDataReaderFactory> xmlDataReaderFactoryMock = new Mock<IXmlDataReaderFactory>();
+            xmlDataReaderFactoryMock.Setup(r => r.Create(It.IsAny<string>())).Returns(xmlDataReaderMock.Object);
+
+            Mock<IXmlDataWriter> xmlDataWriterMock = new Mock<IXmlDataWriter>();
+            Mock<IXmlDataWriterFactory> xmlDataWriterFactoryMock = new Mock<IXmlDataWriterFactory>();
+            xmlDataWriterFactoryMock.Setup(w => w.Create(It.IsAny<string>(), It.IsAny<string>())).Returns(xmlDataWriterMock.Object);
+
+            Mock<IXmlDataHandlerCache> xmlDataHandlerCacheMock = new Mock<IXmlDataHandlerCache>();
+            Mock<IXmlDataHandlerCacheFactory> xmlDataHandlerCacheFactoryMock = new Mock<IXmlDataHandlerCacheFactory>();
+            xmlDataHandlerCacheFactoryMock.Setup(c => c.Create(It.IsAny<IXmlDataReader>())).Returns(xmlDataHandlerCacheMock.Object);
+
+            XmlDataHandler xmlDataHandler = new XmlDataHandler("path", "root", xmlDataReaderFactoryMock.Object,
+                xmlDataWriterFactoryMock.Object, xmlDataHandlerCacheFactoryMock.Object);
+
+            List<string> stringList = new List<string>() {"string", "secondString", "thirdString"};
+            await xmlDataHandler.SetValue<XmlDataHandlerTest, List<string>>("property", stringList);
+
+            xmlDataHandlerCacheMock.Verify(c => c.SetValue<XmlDataHandlerTest, List<string>>("property", stringList, false), Times.Once);
+            xmlDataWriterMock.Verify(w => w.Write<XmlDataHandlerTest, List<string>>("property", $"{stringList[0]}, {stringList[1]}, {stringList[2]}", false), Times.Once);
+        }
+
         [Test]
         public async Task TestSetValueNull()
         {