flutter/packages/flutter_test/lib/src/test_vsync.dart
Adam Barth 2ee04c92bf Improve test coverage (#7430)
Also, make the exception handling for global key listeners slightly more
robust.
2017-01-10 20:41:42 -08:00

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Dart

// Copyright 2016 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/scheduler.dart';
/// A [TickerProvider] that creates a standalone ticker.
///
/// Useful in tests that create an [AnimationController] outside of the widget
/// tree.
class TestVSync implements TickerProvider {
/// Creates a ticker provider that creates standalone tickers.
const TestVSync();
@override
Ticker createTicker(TickerCallback onTick) => new Ticker(onTick);
}