// Copyright 2014 The Flutter 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/material.dart';import'package:flutter_test/flutter_test.dart';voidmain(){test('ProgressIndicatorThemeData copyWith, ==, hashCode, basics',(){expect(constProgressIndicatorThemeData(),constProgressIndicatorThemeData().copyWith());expect(constProgressIndicatorThemeData().hashCode,constProgressIndicatorThemeData().copyWith().hashCode);});test('ProgressIndicatorThemeData lerp special cases',(){expect(ProgressIndicatorThemeData.lerp(null,null,0),null);constProgressIndicatorThemeDatadata=ProgressIndicatorThemeData();expect(identical(ProgressIndicatorThemeData.lerp(data,data,0.5),data),true);});}