Verify the default locale in case we're given an invalid one and need to fall back.

pkg/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:intl/date_symbol_data_local.dart';
 
@@ skipping 16 matching lines @@
   });
 
   test("Canonicalizing locales", () {
     expect(Intl.canonicalizedLocale('en-us'), 'en_US');
     expect(Intl.canonicalizedLocale('en_us'), 'en_US');
     expect(Intl.canonicalizedLocale('en_US'), 'en_US');
     expect(Intl.canonicalizedLocale('xx-yyy'), 'xx_YYY');
     expect(Intl.canonicalizedLocale('xx_YYY'), 'xx_YYY');
     expect(Intl.canonicalizedLocale('C'), 'en_ISO');
   });
+
+  test("Verifying locale fallback for numbers", () {
+    expect(Intl.verifiedLocale('en-us', NumberFormat.localeExists), 'en_US');
+    expect(Intl.verifiedLocale('en_us', NumberFormat.localeExists), 'en_US');
+    expect(Intl.verifiedLocale('es-419', NumberFormat.localeExists), 'es_419');
+    expect(Intl.verifiedLocale('en-ZZ', NumberFormat.localeExists), 'en');
+    expect(Intl.verifiedLocale('es-999', NumberFormat.localeExists), 'es');
+
+    void checkAsNumberDefault(String locale, String expected) {
+      var oldDefault = Intl.defaultLocale;
+      Intl.defaultLocale = locale;
+      var format = new NumberFormat();
+      expect(format.locale, expected);
+      Intl.defaultLocale = oldDefault;
+    }
+
+    checkAsNumberDefault('en-us', 'en_US');
+    checkAsNumberDefault('en_us', 'en_US');
+    checkAsNumberDefault('es-419', 'es_419');
+    checkAsNumberDefault('en-ZZ', 'en');
+    checkAsNumberDefault('es-999', 'es');
+  });
+
+  test("Verifying locale fallback for dates", () {
+    expect(Intl.verifiedLocale('en-us', DateFormat.localeExists), 'en_US');
+    expect(Intl.verifiedLocale('en_us', DateFormat.localeExists), 'en_US');
+    expect(Intl.verifiedLocale('es-419', DateFormat.localeExists), 'es_419');
+    expect(Intl.verifiedLocale('en-ZZ', DateFormat.localeExists), 'en');
+    expect(Intl.verifiedLocale('es-999', DateFormat.localeExists), 'es');
+
+    void checkAsDateDefault(String locale, String expected) {
+      var oldDefault = Intl.defaultLocale;
+      Intl.defaultLocale = locale;
+      var format = new DateFormat();
+      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');
+

[Emily Fortuna, 2014/02/25 19:16:36]

remove extra empty line here

[Alan Knight, 2014/02/25 19:18:55]

Done.

+
+  });
 }