Normalize test paths.

pkg/watcher/test/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.
 
 library watcher.test.utils;
 
 import 'dart:async';
 import 'dart:io';
 
 import 'package:path/path.dart' as p;
@@ skipping 91 matching lines @@
 
   return _watcher;
 }
 
 /// Expects that the next set of events will all be changes of [type] on
 /// [paths].
 ///
 /// Validates that events are delivered for all paths in [paths], but allows
 /// them in any order.
 void expectEvents(ChangeType type, Iterable<String> paths) {
-  var pathSet = paths.map((path) => p.join(_sandboxDir, path)).toSet();
+  var pathSet = paths
+      .map((path) => p.join(_sandboxDir, path))
+      .map(p.normalize)
+      .toSet();
 
   // Create an expectation for as many paths as we have.
   var futures = [];
 
   for (var i = 0; i < paths.length; i++) {
     // Immediately create the futures. This ensures we don't register too
     // late and drop the event before we receive it.
     var future = _watcher.events.elementAt(_nextEvent++).then((event) {
       expect(event.type, equals(type));
       expect(pathSet, contains(event.path));
@@ skipping 93 matching lines @@
 
   Description describe(Description description) {
     description.add("$type $path");
   }
 
   bool matches(item, Map matchState) =>
       item is WatchEvent &&
       item.type == type &&
       p.normalize(item.path) == p.normalize(path);
 }