New testrunner that runs the test pipleine in an isolate.

utils/testrunner/utils.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 /**
  * Read the contents of a file [fileName] into a [List] of [String]s.
  * If the file does not exist and [errorIfNoFile] is true, throw an
  * exception, else return an empty list.
  */
 List<String> getFileContents(String filename, bool errorIfNoFile) {
   File f = new File(filename);
   if (!f.existsSync()) {
     if (errorIfNoFile) {
       throw new Exception('Config file $filename not found.');
     } else {
       return new List();
     }
   }
   return f.readAsLinesSync();
 }
 
-/** Copy a file with path [sourceName] to destination [destName]. */
-void copyFile(String sourceName, String destName) {
-  var sourceFile = new File(sourceName);
-  var destFile = new File(destName);
-  var istream = sourceFile.openInputStream();
-  var ostream = destFile.openOutputStream(FileMode.WRITE);
-  istream.pipe(ostream);
-  // TODO(gram) - make sure both streams are closed.
-  // I think they are but the docs are not clear on this point.
-}
-
-/** Create a file [fileName] and populate it with [contents]. */
-void createFile(String fileName, String contents) {
-  var file = new File(fileName);
-  var ostream = file.openOutputStream(FileMode.WRITE);
-  ostream.writeString(contents);
-  ostream.close();
-}
-
 /**
  * Given a file path [path], make it absolute if it is relative,
  * and return the result.
  */
 String makePathAbsolute(String path) {
   var p = new Path(path).canonicalize();
   if (p.isAbsolute) {
     return p.toString();
   } else {
     var cwd = new Path((new Directory.current()).path);
@@ skipping 37 matching lines @@
       } else { // Does not exist.
         print('$path does not exist.');
       }
     }
   }
   if (--dirCount == 0) {
     onComplete(files);
   }
 }
 
-/** Delete a file. */
-bool deleteFile(String fname) {
-  var f = new File(fname);
-  try {
-    f.deleteSync();
-  } catch (e) {
-    return false;
-  }
-  return true;
-}
-
 /**
  * Get the directory that testrunner lives in; we need it to import
  * support files into the generated scripts.
  */
 
 String get runnerDirectory() {
   var libDirectory = makePathAbsolute(new Options().script);
   return libDirectory.substring(0,
       libDirectory.lastIndexOf(Platform.pathSeparator));
 }