Update charted to 0.4.8 and roll

packages/intl/test/intl_test.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 intl_test;
 
 import 'package:intl/intl.dart';
-import 'package:unittest/unittest.dart';
+import 'package:test/test.dart';
 import 'package:intl/date_symbol_data_local.dart';
 
 main() {
   test("Locale setting doesn't verify the core locale", () {
     var de = new Intl('de_DE');
     expect(de.locale, equals('de_DE'));
   });
 
   test('DateFormat creation does verify the locale', () {
     // TODO(alanknight): We need to make the locale verification be on a per
@@ skipping 52 matching lines @@
       expect(format.locale, expected);
       Intl.defaultLocale = oldDefault;
     }
 
     checkAsDateDefault('en-us', 'en_US');
     checkAsDateDefault('en_us', 'en_US');
     checkAsDateDefault('es-419', 'es_419');
     checkAsDateDefault('en-ZZ', 'en');
     checkAsDateDefault('es-999', 'es');
   });
+
+  test("toBeginningOfSentenceCase", () {
+    expect(toBeginningOfSentenceCase(null), null);
+    expect(toBeginningOfSentenceCase(""), "");
+    expect(toBeginningOfSentenceCase("A"), "A");
+    expect(toBeginningOfSentenceCase("a"), "A");
+    expect(toBeginningOfSentenceCase("abc"), "Abc");
+    expect(toBeginningOfSentenceCase("[a]"), "[a]");
+    expect(toBeginningOfSentenceCase("ABc"), "ABc");
+    expect(toBeginningOfSentenceCase("ı"), "I");
+    expect(toBeginningOfSentenceCase("i"), "I");
+    expect(toBeginningOfSentenceCase("i", "tr"), "\u0130");
+  });
 }