From 73e1752fcef12f3bf54a3032ee99e28599d387f6 Mon Sep 17 00:00:00 2001
From: Johan Larsson <johan_gavle1@hotmail.com>
Date: Sun, 9 Sep 2018 18:31:14 +0200
Subject: [PATCH] Handle XmlRootAttribute. #3

---
 Gu.Xml.Tests/XmlTests.SerializeComplextTypes.cs | 8 ++++++++
 Gu.Xml/Internals/RootName.cs                    | 8 ++++++++
 2 files changed, 16 insertions(+)

diff --git a/Gu.Xml.Tests/XmlTests.SerializeComplextTypes.cs b/Gu.Xml.Tests/XmlTests.SerializeComplextTypes.cs
index 4e609ad..b77ab0e 100644
--- a/Gu.Xml.Tests/XmlTests.SerializeComplextTypes.cs
+++ b/Gu.Xml.Tests/XmlTests.SerializeComplextTypes.cs
@@ -4,6 +4,7 @@ namespace Gu.Xml.Tests
     using System;
     using System.Collections.Generic;
     using System.Diagnostics;
+    using System.Xml.Serialization;
     using NUnit.Framework;
 
     public partial class XmlTests
@@ -13,6 +14,7 @@ public class SerializeComplexTypes
             private static readonly TestCaseData[] Values =
             {
                 new TestCaseData(new WithPublicMutableProperty { Value = 1 }),
+                new TestCaseData(new WithXmlRoot { Value = 1 }),
                 new TestCaseData(new WithPublicMutableFieldXmlElementExplicitName { Value = 1 }),
                 new TestCaseData(new WithPublicMutableField { Value = 1 }),
                 new TestCaseData(new WithPublicMutableFieldXmlElementExplicitName { Value = 1 }),
@@ -101,6 +103,12 @@ public class WithPublicMutableProperty
                 public int Value { get; set; } = 1;
             }
 
+            [XmlRoot("Name")]
+            public class WithXmlRoot
+            {
+                public int Value { get; set; } = 1;
+            }
+
             public class WithPublicMutablePropertyXmlElementExplicitName
             {
                 [System.Xml.Serialization.XmlElement("Name")]
diff --git a/Gu.Xml/Internals/RootName.cs b/Gu.Xml/Internals/RootName.cs
index 6c6cbf7..b0c264d 100644
--- a/Gu.Xml/Internals/RootName.cs
+++ b/Gu.Xml/Internals/RootName.cs
@@ -3,6 +3,7 @@
     using System;
     using System.Collections.Concurrent;
     using System.Text;
+    using System.Xml.Serialization;
 
     internal static class RootName
     {
@@ -15,6 +16,13 @@ public static string Get(Type type)
 
         private static string Create(Type type)
         {
+            if (Attribute.GetCustomAttribute(type, typeof(XmlRootAttribute)) is XmlRootAttribute xmlRoot &&
+                xmlRoot.ElementName is string elementName &&
+                !string.IsNullOrEmpty(elementName))
+            {
+                return elementName;
+            }
+
             if (!type.IsGenericType &&
                 !type.HasElementType)
             {