public/dart/sledge/test/dummies/dummy_value_observer.dart

// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// TODO: try to stop ignoring "implementation_imports".
// ignore_for_file: implementation_imports

import 'package:test/test.dart';

import 'package:sledge/src/document/value_observer.dart';

class DummyValueObserver implements ValueObserver {
  bool _wasChanged = false;

  @override
  void valueWasChanged() {
    _wasChanged = true;
  }

  void reset() {
    _wasChanged = false;
  }

  void expectChanged() {
    expect(_wasChanged, isTrue);
  }

  void expectNotChanged() {
    expect(_wasChanged, isFalse);
  }
}