LibTest/io/Process/start_A01_t03.dart

// 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.

/// @assertion
/// Future<Process> start(
///     String executable,
///     List<String> arguments, {
///     String workingDirectory,
///     Map<String, String> environment,
///     bool includeParentEnvironment: true,
///     bool runInShell: false,
///     ProcessStartMode mode: ProcessStartMode.normal
/// })
///
/// Starts a process running the executable with the specified arguments.
/// Returns a Future<Process> that completes with a Process instance when the
/// process has been successfully started. That Process object can be used to
/// interact with the process. If the process cannot be started the returned
/// Future completes with an exception.
///
/// @description Checks that if the process cannot be started the returned
/// Future completes with an exception.
/// @author ngl@unipro.ru

import "dart:io";
import "../../../Utils/expect.dart";

String command = "";
List<String> args = new List<String>.empty(growable: true);

void setCommand() {
  command = 'notexistingcommand';
  args = [];
}

main() {
  bool pFailed = false;
  setCommand();
  asyncStart();
  Process.start(command, args).then((Process prc) {
    Expect.fail("Error expected");
  }, onError: (_) {
    pFailed = true;
  }).then((_) {
    Expect.isTrue(pFailed);
    asyncEnd();
  });
}