pkg/unittest: Add a server for serving test assets to browsers.

test/io.dart

Index: test/io.dart
diff --git a/test/io.dart b/test/io.dart
index 9937140be7b7382e7e34caf421400e6c5d18203f..950e25370118ef390c0f133509f8ed52de17fd55 100644
--- a/test/io.dart
+++ b/test/io.dart
@@ -8,11 +8,10 @@ import 'dart:io';
 import 'dart:mirrors';
 
 import 'package:path/path.dart' as p;
+import 'package:unittest/src/util/io.dart';
 
-/// The root directory of the `unittest` package.
-final String packageDir = _computePackageDir();
-String _computePackageDir() =>
-    p.dirname(p.dirname(_libraryPath(#unittest.test.io)));
+/// The path to the root directory of the `unittest` package.
+final String packageDir = p.dirname(p.dirname(libraryPath(#unittest.test.io)));
 
 /// Runs the unittest executable with the package root set properly.
 ProcessResult runUnittest(List<String> args, {String workingDirectory,
@@ -39,12 +38,3 @@ ProcessResult runDart(List<String> args, {String workingDirectory,
   return Process.runSync(Platform.executable, allArgs,
       workingDirectory: workingDirectory, environment: environment);
 }
-
-/// Returns the path to the library named [libraryName].
-///
-/// The library name must be globally unique, or the wrong library path may be
-/// returned.
-String _libraryPath(Symbol libraryName) {
-  var lib = currentMirrorSystem().findLibrary(libraryName);
-  return p.fromUri(lib.uri);
-}