packages/flutter/test/foundation/profile_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/foundation.dart';
import '../flutter_test_alternative.dart';

// We run our tests in debug mode, to this will always evaluate to false...
const bool isReleaseMode = bool.fromEnvironment('dart.vm.product');

void main() {
  // TODO(devoncarew): This test - while very nice - isn't testing what we really want to know:
  // that the code in the `profile` closure is omitted in release mode.
  test('profile invokes its closure in debug or profile mode', () {
    int count = 0;
    profile(() {
      count++;
    });
    expect(count, isReleaseMode ? 0 : 1);
  });
}