blob: 0127a8b83dcf1f5077a5e966f7573707367af74f [file] [log] [blame]
// Copyright (c) 2016, 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.
/// @assertion const int.fromEnvironment(String name, {int defaultValue})
/// Returns the integer value of the given environment declaration name.
/// The result is the same as would be returned by:
/// int.tryParse(const String.fromEnvironment(name, defaultValue: ""))
/// ?? defaultValue
/// @description Checks that this constructor returns null if there is no
/// environment variable with appropriate name
/// @author
import "../../../Utils/expect.dart";
main() {
const v1 = const int.fromEnvironment(ENV_VAR);
Expect.equals(0, v1);
const v2 = const int.fromEnvironment(ENV_VAR, defaultValue: 42);
Expect.equals(42, v2);