Fix glob match and parse tests for Windows and URL styles.

pkg/glob/test/parse_test.dart

 // Copyright (c) 2014, 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:glob/glob.dart';
+import 'package:path/path.dart' as p;
 import 'package:unittest/unittest.dart';
 
 void main() {
   test("supports backslash-escaped characters", () {
     expect(r"\*[]{,}?()", contains(new Glob(r"\\\*\[\]\{\,\}\?\(\)")));
+    if (p.style != p.Style.windows) {
+      expect(r"foo\bar", contains(new Glob(r"foo\\bar")));
+    }
   });
 
   test("disallows an empty glob", () {
     expect(() => new Glob(""), throwsFormatException);
   });
 
   group("range", () {
     test("supports either ^ or ! for negated ranges", () {
       var bang = new Glob("fo[!a-z]");
       expect("foo", isNot(contains(bang)));
@@ skipping 62 matching lines @@
     test("disallows dangling ] in options", () {
       expect(() => new Glob(r"{abc]}"), throwsFormatException);
     });
   });
 
   test("disallows unescaped parens", () {
     expect(() => new Glob("foo(bar"), throwsFormatException);
     expect(() => new Glob("foo)bar"), throwsFormatException);
   });
 }