tests/standalone/io/process_detached_test.dart

// Copyright (c) 2015, 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.
//
// Process test program to test detached processes.

import 'dart:async';
import 'dart:io';

import "package:async_helper/async_helper.dart";
import "package:expect/expect.dart";

import "process_test_util.dart";

void test() {
  asyncStart();
  var script =
      Platform.script.resolve('process_detached_script.dart').toFilePath();
  var future = Process.start(Platform.executable, [script], detach: true);
  future.then((process) {
    print(process.pid);
    Expect.isNotNull(process.pid);
    Expect.isTrue(process.pid is int);
    Expect.isNull(process.exitCode);
    Expect.isNull(process.stderr);
    Expect.isNull(process.stdin);
    Expect.isNull(process.stdout);
    Expect.isTrue(process.kill());
  }).whenComplete(() {
    asyncEnd();
  });
}

void testFailure() {
  asyncStart();
  Directory.systemTemp.createTemp('dart_detached_process').then((temp) {
    var future = Process.start(temp.path, ['a', 'b'], detach: true);
    future.then((process) {
      Expect.fail('Starting process from invalid executable succeeded');
    }, onError: (e) {
      Expect.isTrue(e is ProcessException);
    }).whenComplete(() {
      temp.deleteSync();
      asyncEnd();
    });
  });
}

main() {
  test();
  testFailure();
}