Make path_set_test use Windows-friendly paths where necessary.

pkg/watcher/test/path_set_test.dart

 // 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.
 
 import 'package:path/path.dart' as p;
 import 'package:unittest/unittest.dart';
 import 'package:watcher/src/path_set.dart';
 
 import 'utils.dart';
 
@@ skipping 36 matching lines @@
 
     test("that's not beneath the root throws an error", () {
       expect(() => set.add("path/to/file"), throwsArgumentError);
     });
   });
 
   group("removing a path", () {
     test("that's in the set removes and returns that path", () {
       set.add("root/path/to/file");
       expect(set.remove("root/path/to/file"),
-          unorderedEquals(["root/path/to/file"]));
+          unorderedEquals([p.normalize("root/path/to/file")]));
       expect(set, isNot(containsPath("root/path/to/file")));
     });
 
     test("that's not in the set returns an empty set", () {
       set.add("root/path/to/file");
       expect(set.remove("root/path/to/nothing"), isEmpty);
     });
 
     test("that's a directory removes and returns all files beneath it", () {
       set.add("root/outside");
       set.add("root/path/to/one");
       set.add("root/path/to/two");
       set.add("root/path/to/sub/three");
 
       expect(set.remove("root/path"), unorderedEquals([
         "root/path/to/one",
         "root/path/to/two",
         "root/path/to/sub/three"
-      ]));
+      ].map(p.normalize)));
 
       expect(set, containsPath("root/outside"));
       expect(set, isNot(containsPath("root/path/to/one")));
       expect(set, isNot(containsPath("root/path/to/two")));
       expect(set, isNot(containsPath("root/path/to/sub/three")));
     });
   
     test("that's a directory in the set removes and returns it and all files "
         "beneath it", () {
       set.add("root/path");
       set.add("root/path/to/one");
       set.add("root/path/to/two");
       set.add("root/path/to/sub/three");
 
       expect(set.remove("root/path"), unorderedEquals([
         "root/path",
         "root/path/to/one",
         "root/path/to/two",
         "root/path/to/sub/three"
-      ]));
+      ].map(p.normalize)));
 
       expect(set, isNot(containsPath("root/path")));
       expect(set, isNot(containsPath("root/path/to/one")));
       expect(set, isNot(containsPath("root/path/to/two")));
       expect(set, isNot(containsPath("root/path/to/sub/three")));
     });
 
     test("that's not normalized removes and returns the normalized path", () {
       set.add("root/path/to/file");
       expect(set.remove("root/../root/path/to/../to/./file"),
-          unorderedEquals(["root/path/to/file"]));
+          unorderedEquals([p.normalize("root/path/to/file")]));
     });
 
     test("that's absolute removes and returns the normalized path", () {
       set.add("root/path/to/file");
       expect(set.remove(p.absolute("root/path/to/file")),
-          unorderedEquals(["root/path/to/file"]));
+          unorderedEquals([p.normalize("root/path/to/file")]));
     });
 
     test("that's not beneath the root throws an error", () {
       expect(() => set.remove("path/to/file"), throwsArgumentError);
     });
   });
 
   group("containsPath()", () {
     test("returns false for a non-existent path", () {
       set.add("root/path/to/file");
@@ skipping 79 matching lines @@
   group("toSet", () {
     test("returns paths added to the set", () {
       set.add("root/path");
       set.add("root/path/to/one");
       set.add("root/path/to/two");
 
       expect(set.toSet(), unorderedEquals([
         "root/path",
         "root/path/to/one",
         "root/path/to/two",
-      ]));
+      ].map(p.normalize)));
     });
 
     test("doesn't return paths removed from the set", () {
       set.add("root/path/to/one");
       set.add("root/path/to/two");
       set.remove("root/path/to/two");
 
-      expect(set.toSet(), unorderedEquals(["root/path/to/one"]));
+      expect(set.toSet(), unorderedEquals([p.normalize("root/path/to/one")]));
     });
   });
 
   group("clear", () {
     test("removes all paths from the set", () {
       set.add("root/path");
       set.add("root/path/to/one");
       set.add("root/path/to/two");
 
       set.clear();
       expect(set.toSet(), isEmpty);
     });
   });
 }