Revert "Temporary revert of the null Trees diffing feature"

nulltoken · nulltoken · commit 597a237c5c74 · 2012-12-05T13:41:22.000Z
This reverts commit adbf3fc.
diff --git a/LibGit2Sharp.Tests/DiffTreeToTreeFixture.cs b/LibGit2Sharp.Tests/DiffTreeToTreeFixture.cs
@@ -355,7 +355,7 @@ public void CanCompareTwoVersionsOfAFileWithADiffOfTwoHunks()
             }
         }
 
-        [Fact(Skip = "Not working against libgit2 debug version.")]
+        [Fact]
         public void CanCompareATreeAgainstANullTree()
         {
             using (var repo = new Repository(StandardTestRepoPath))
@@ -378,7 +378,7 @@ public void CanCompareATreeAgainstANullTree()
             }
         }
 
-        [Fact(Skip = "Not working against libgit2 debug version.")]
+        [Fact]
         public void ComparingTwoNullTreesReturnsAnEmptyTreeChanges()
         {
             using (var repo = new Repository(StandardTestRepoPath))
diff --git a/LibGit2Sharp/Diff.cs b/LibGit2Sharp/Diff.cs
@@ -70,10 +70,6 @@ internal Diff(Repository repo)
         /// <returns>A <see cref = "TreeChanges"/> containing the changes between the <paramref name = "oldTree"/> and the <paramref name = "newTree"/>.</returns>
         public virtual TreeChanges Compare(Tree oldTree, Tree newTree, IEnumerable<string> paths = null)
         {
-            //TODO: The checks below will be removed when running against next libgit2 binaries
-            Ensure.ArgumentNotNull(oldTree, "oldTree");
-            Ensure.ArgumentNotNull(newTree, "newTree");
-
             using(GitDiffOptions options = BuildOptions(paths))
             using (DiffListSafeHandle diff = BuildDiffListFromTrees(
                 oldTree != null ? oldTree.Id : null,

Original file line number	Diff line number	Diff line change
`@@ -355,7 +355,7 @@ public void CanCompareTwoVersionsOfAFileWithADiffOfTwoHunks()`
`355`	`355`	`}`
`356`	`356`	`}`
`357`	`357`
`358`		`- [Fact(Skip = "Not working against libgit2 debug version.")]`
	`358`	`+ [Fact]`
`359`	`359`	`public void CanCompareATreeAgainstANullTree()`
`360`	`360`	`{`
`361`	`361`	`using (var repo = new Repository(StandardTestRepoPath))`
`@@ -378,7 +378,7 @@ public void CanCompareATreeAgainstANullTree()`
`378`	`378`	`}`
`379`	`379`	`}`
`380`	`380`
`381`		`- [Fact(Skip = "Not working against libgit2 debug version.")]`
	`381`	`+ [Fact]`
`382`	`382`	`public void ComparingTwoNullTreesReturnsAnEmptyTreeChanges()`
`383`	`383`	`{`
`384`	`384`	`using (var repo = new Repository(StandardTestRepoPath))`