| // Copyright (c) 2017, 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. |
| |
| /// Test date formatting and parsing while the system time zone is set to |
| /// America/Sao Paulo. |
| /// |
| /// In Brazil the time change spring/fall happens at midnight. This can make |
| /// operations working with dates as midnight on a particular day fail. For |
| /// example, in the (Brazilian) autumn, a date might "fall back" an hour and be |
| /// on the previous day. This test verifies that we're handling those |
| /// situations. |
| |
| // This test relies on setting the TZ environment variable to affect the |
| // system's time zone calculations. That's only effective on Linux environments, |
| // and would only work in a browser if we were able to set it before the browser |
| // launched, which we aren't. So restrict this test to the VM and Linux. |
| @TestOn('vm && linux') |
| |
| import 'package:test/test.dart'; |
| import 'timezone_test_core.dart'; |
| |
| void main() { |
| // The test date is Jan 1, so Brazilian Summer Time will be in effect. |
| testTimezone('America/Sao_Paulo', expectedUtcOffset: -2); |
| } |