LibTest/io/Process/killPid_A01_t02.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
 * bool killPid(
 *     int pid, [
 *     ProcessSignal signal = ProcessSignal.sigterm
 * ])
 *
 * Kills the process with id pid.
 * ...
 * Returns true if the signal is successfully delivered to the process.
 * Otherwise the signal could not be sent, usually meaning that the process is
 * already dead.
 *
 * @description Checks that static method [killPid] return false, if the process
 * is already dead.
 * @author ngl@unipro.ru
 */
import "dart:io";
import "../../../Utils/expect.dart";

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

void setCommand() {
  if (Platform.isWindows) {
    command = 'ping';
    args = ['127.0.0.1 -n 6 > nul'];
  } else {
    command = 'sleep';
    args = ['5'];
  }
}

main() {
  setCommand();
  asyncStart();
  Process.start(command, args).then((Process process) {
    int pid = process.pid;
    bool res = Process.killPid(pid);
    if (Platform.isWindows) {
      Expect.isFalse(res);
      asyncEnd();
    } else {
      Expect.isTrue(res);
      process.exitCode.then((value) {
        if (value == -15) {
          res = Process.killPid(pid);
          Expect.isFalse(res);
          asyncEnd();
        }
      });
    }
  });
}