glob pkg: fixed test, updated homepage url, added SDK constraint

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)));
       expect("fo2", contains(bang));
 
       var caret = new Glob("fo[^a-z]");
-      expect("foo", isNot(contains(bang)));
-      expect("fo2", contains(bang));
+      expect("foo", isNot(contains(caret)));
+      expect("fo2", contains(caret));
     });
 
     test("supports backslash-escaped characters", () {
       var glob = new Glob(r"fo[\*\--\]]");
       expect("fo]", contains(glob));
       expect("fo-", contains(glob));
       expect("fo*", contains(glob));
     });
 
     test("disallows inverted ranges", () {
@@ skipping 47 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);
   });
 }