Make pathos run in the browser.

pkg/pathos/test/pathos_io_test.dart

-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2013, 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.
 
-library pathos_test;
-
 import 'dart:io' as io;
 
 import 'package:unittest/unittest.dart';
 import 'package:pathos/path.dart' as path;
 
 main() {
-  group('path.Style', () {
-    test('name', () {
-      expect(path.Style.posix.name, 'posix');
-      expect(path.Style.windows.name, 'windows');
-    });
-
-    test('separator', () {
-      expect(path.Style.posix.separator, '/');
-      expect(path.Style.windows.separator, '\\');
-    });
-
-    test('toString()', () {
-      expect(path.Style.posix.toString(), 'posix');
-      expect(path.Style.windows.toString(), 'windows');
-    });
-  });
-
   group('new Builder()', () {
-    test('uses the given root directory', () {
-      var builder = new path.Builder(root: '/a/b/c');
-      expect(builder.root, '/a/b/c');
-    });
-
-    test('uses the given style', () {
-      var builder = new path.Builder(style: path.Style.windows);
-      expect(builder.style, path.Style.windows);
-    });
-
     test('uses the current working directory if root is omitted', () {
       var builder = new path.Builder();
       expect(builder.root, io.Directory.current.path);
     });
 
     test('uses the host OS if style is omitted', () {
       var builder = new path.Builder();
       if (io.Platform.operatingSystem == 'windows') {
         expect(builder.style, path.Style.windows);
       } else {
         expect(builder.style, path.Style.posix);
       }
     });
   });
 
   test('current', () {
     expect(path.current, io.Directory.current.path);
   });
 }