Imported Upstream version 6.6.0.89

Former-commit-id: b39a328747c2f3414dc52e009fb6f0aa80ca2492

external/api-doc-tools/tools/DocStat/DocStat.Tests/EcmaXmlHelperTests.cs

@@ -0,0 +1,70 @@
+using NUnit.Framework;
+using System;
+using System.IO;
+using System.Diagnostics;
+using System.Linq;
+using System.Xml.Linq;
+using System.Collections.Generic;
+
+using DocStat;
+
+namespace DocStat.Tests
+{
+	[TestFixture]
+	public class EcmaXmlHelperTests
+	{
+		[Test]
+		public void NewElementsYieldsAddedElements()
+		{
+			XDocument xmlNew = XDocument.Load("TestData/currentxml/t1.xml");
+			XDocument xmlOld = XDocument.Load("TestData/oldxml/t1.xml");
+
+			IEnumerable<XElement> newMembers = EcmaXmlHelper.NewMembers(xmlNew, xmlOld);
+
+			XElement e1 =
+				xmlNew.Element("Type").Element("Members").Elements()
+					  .FirstOrDefault((XElement arg) => arg.Attribute("MemberName").Value == "WeakDelegate");
+
+			XElement e2 =
+				xmlNew.Element("Type").Element("Members").Elements()
+					  .FirstOrDefault((XElement arg) => arg.Attribute("MemberName").Value == "WeakDataSource");
+
+			Assert.AreEqual(2, newMembers.Count());
+			Assert.True(newMembers.Contains(e1));
+			Assert.True(newMembers.Contains(e2));
+		}
+
+		[Test]
+		public void MembersReturnsMembers()
+		{
+			XDocument xmlOld = XDocument.Load("TestData/oldxml/t1.xml");
+			IEnumerable<XElement> members = EcmaXmlHelper.Members(xmlOld);
+			Assert.AreEqual(13, members.Count());
+
+			members = EcmaXmlHelper.Members(XDocument.Load("TestData/currentxml/t1.xml"));
+
+			Assert.AreEqual(15, members.Count());
+		}
+
+        [Test]
+        public void MembersHandlesEmptyMembersList()
+        {
+            XDocument x = XDocument.Load("TestData/currentxml/AVAssetImageGeneratorCompletionHandler.xml");
+
+
+                IEnumerable<XElement> elements = EcmaXmlHelper.Members(x);
+                Assert.IsEmpty(elements);
+
+        }
+
+         
+        [Test]
+		public void NewMembersHandlesEmptyMemberList()
+		{
+			XDocument o = XDocument.Load("TestData/oldxml/AVAssetImageGeneratorCompletionHandler.xml");
+			XDocument n = XDocument.Load("TestData/currentxml/AVAssetImageGeneratorCompletionHandler.xml");
+
+            Assert.IsEmpty(EcmaXmlHelper.NewMembers(n, o));
+		}
+	}
+}