Fixed typo in ParentEnumerator.MoveNext and added corresponding tests

src/NerdBank.GitVersioning.Tests/ManagedGit/GitCommitReaderTests.cs

@@ -1,5 +1,6 @@
 using System;
 using System.IO;
+using System.Linq;
 using Nerdbank.GitVersioning.ManagedGit;
 using Xunit;
 
@@ -31,5 +32,22 @@ public void ReadTest()
                 // Committer and commit message are not read
             }
         }
+
+        [Fact]
+        public void ReadCommitWithThreeParents()
+        {
+            using (Stream stream = TestUtilities.GetEmbeddedResource(@"ManagedGit\commit-ab39e8acac105fa0db88514f259341c9f0201b22"))
+            {
+                var commit = GitCommitReader.Read(stream, GitObjectId.Parse("ab39e8acac105fa0db88514f259341c9f0201b22"), readAuthor: true);
+
+                Assert.Equal(3, commit.Parents.Count());
+
+                Assert.Collection(
+                    commit.Parents,
+                    c => Assert.Equal("e0b4d66ef7915417e04e88d5fa173185bb940029", c.ToString()),
+                    c => Assert.Equal("10e67ce38fbee44b3f5584d4f9df6de6c5f4cc5c", c.ToString()),
+                    c => Assert.Equal("a7fef320334121af85dce4b9b731f6c9a9127cfd", c.ToString()));
+            }
+        }
     }
 }

src/NerdBank.GitVersioning.Tests/ManagedGit/commit-ab39e8acac105fa0db88514f259341c9f0201b22

@@ -0,0 +1,28 @@
+tree 0f118b0345501ba18c15e149c9ae49ce07352485
+parent e0b4d66ef7915417e04e88d5fa173185bb940029
+parent 10e67ce38fbee44b3f5584d4f9df6de6c5f4cc5c
+parent a7fef320334121af85dce4b9b731f6c9a9127cfd
+author Atsushi Eno <atsushieno@gmail.com> 1278350964 -0000
+committer Atsushi Eno <atsushieno@gmail.com> 1278350964 -0000
+
+2010-07-05  Atsushi Enomoto  <atsushi@ximian.com>
+
+	* ChannelDispatcher.cs :
+	  moved IChannelDispatcherBoundListener from HttpChannelListener.cs.
+
+	* SvcHttpHandler.cs : removed old code and #if blocks.
+
+	* HttpStandaloneReplyChannel.cs
+	  HttpStandaloneRequestContext.cs
+	  HttpStandaloneChannelListener.cs
+	  HttpReplyChannel.cs
+	  HttpRequestContext.cs
+	  HttpChannelListener.cs : renamed former 3 files to latter 3 files.
+
+	* System.ServiceModel.dll.sources :
+	  renamed new HTTP channel listener implementation sources, and
+	  removed old sources.
+
+
+
+svn path=/trunk/mcs/; revision=159913

src/NerdBank.GitVersioning/ManagedGit/GitCommit.cs

@@ -164,7 +164,7 @@ public bool MoveNext()
                 {
                     0 => this.owner.FirstParent.HasValue,
                     1 => this.owner.SecondParent.HasValue,
-                    _ => this.owner.AdditionalParents?.Count >= this.position - 2,
+                    _ => this.owner.AdditionalParents?.Count > this.position - 2,
                 };
             }