// 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_test/flutter_test.dart';import'package:flutter/animation.dart';import'package:flutter/widgets.dart';voidmain(){test('copyWith defaults to unchanged values',(){SpringForceforce=kDefaultSpringForce.copyWith();expect(force.spring,kDefaultSpringForce.spring);expect(force.left,kDefaultSpringForce.left);expect(force.right,kDefaultSpringForce.right);});}