packages/flutter_tools/test/base/process_test.dart

// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import 'package:flutter_tools/src/base/process.dart';
import 'package:test/test.dart';

import '../src/context.dart';

void main() {
  group('shutdownHooks', () {
    testUsingContext('runInExpectedOrder', () async {
      int i = 1;
      int serializeRecording1;
      int serializeRecording2;
      int postProcessRecording;
      int cleanup;

      addShutdownHook(() async {
        serializeRecording1 = i++;
      }, ShutdownStage.SERIALIZE_RECORDING);

      addShutdownHook(() async {
        cleanup = i++;
      }, ShutdownStage.CLEANUP);

      addShutdownHook(() async {
        postProcessRecording = i++;
      }, ShutdownStage.POST_PROCESS_RECORDING);

      addShutdownHook(() async {
        serializeRecording2 = i++;
      }, ShutdownStage.SERIALIZE_RECORDING);

      await runShutdownHooks();

      expect(serializeRecording1, lessThanOrEqualTo(2));
      expect(serializeRecording2, lessThanOrEqualTo(2));
      expect(postProcessRecording, 3);
      expect(cleanup, 4);
    });
  });
}