blob: 7c4f0abf37f3c4b36928eaeac711d7fc050dc6be [file] [log] [blame]
// 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.
import 'package:test/test.dart';
import 'dart:io';
import 'dart:convert';
// 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.
/// The VM arguments we were given, most importantly package-root.
final vmArgs = Platform.executableArguments;
final dart = Platform.executable;
main() {
// The VM can be invoked with a "-DPACKAGE_DIR=<directory>" argument to
// indicate the root of the Intl package. If it is not provided, we assume
// that the root of the Intl package is the current directory.
var packageDir = new String.fromEnvironment('PACKAGE_DIR');
var packageRelative = 'test/date_time_format_local_even_test.dart';
var fileToSpawn =
packageDir == null ? packageRelative : '$packageDir/$packageRelative';
test("Run tests in Sao Paulo time zone", () async {
List<String> args = []
var result = await, args,
stdoutEncoding: UTF8,
stderrEncoding: UTF8,
includeParentEnvironment: true,
environment: {'TZ': 'America/Sao_Paulo'});
// Because the actual tests are run in a spawned parocess their output isn't
// directly visible here. To debug, it's necessary to look at the output of
// that test, so we print it here for convenience.
"Spawning test to run in the America/Sao Paulo time zone. Stderr is:");
print("Spawned test in America/Sao Paulo time zone has Stdout:");
expect(result.exitCode, 0,
reason: "Spawned test failed. See the test log from stderr to debug");