anchor.diff:          else
               // Read the error/output streams from the process, then write them into the
               // error/output streams of this process so they can be captured by NUnit.
  +            
  +            let details = System.Text.StringBuilder()
               do
                   let errorStr = toolProcess.StandardError.ReadToEnd ()
                   if not <| String.IsNullOrWhiteSpace errorStr then
                       System.Console.Error.Write errorStr
  +                    Printf.bprintf details "Errors: %s" errorStr
   
               do
                   let outputStr = toolProcess.StandardOutput.ReadToEnd ()
                   if not <| String.IsNullOrWhiteSpace outputStr then
                       System.Console.Out.Write outputStr
  +                    Printf.bprintf details "Console output: %s" outputStr
   
               // Based on the process' exit code, assert that the test passed or failed.
               if toolProcess.ExitCode = 0 then
  -                // TODO : Provide a message with timing information.
  -                Assert.Pass ()
  +                Assert.Pass (sprintf "The execution took %A for file %s" sw.Elapsed inputFilename)
               else
  -                let msg = sprintf "The external tool process exited with code %i." toolProcess.ExitCode
  +                let msg = sprintf "The external tool process exited with code %i.\n%s" toolProcess.ExitCode (details.ToString())
                   Assert.Fail msg
  
positive.code: open System.IO
  open NUnit.Framework
  open FsUnit
  
  
  /// Helper functions and values for implementing file-based test cases.
  [<AutoOpen>]
  
negative.code:                 testCases () :> System.Collections.IEnumerable
  
      //
      [<Test; TestCaseSource(typeof<RepositoryTestCases>, "Items")>]
      let repository (inputFilename : string, outputFilename : string, internalModule : bool, parserModuleName : string) =
          let sw = System.Diagnostics.Stopwatch.StartNew()
          //
          use toolProcess = new Process ()
          
  