// 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/material.dart'; import 'package:flutter_gallery/gallery/app.dart'; import 'package:flutter_test/flutter_test.dart'; void main() { final TestWidgetsFlutterBinding binding = TestWidgetsFlutterBinding.ensureInitialized(); if (binding is LiveTestWidgetsFlutterBinding) binding.framePolicy = LiveTestWidgetsFlutterBindingFramePolicy.fullyLive; testWidgets('Flutter gallery button example code displays', (WidgetTester tester) async { // Regression test for https://github.com/flutter/flutter/issues/6147 await tester.pumpWidget(const GalleryApp(testMode: true)); await tester.pump(); // see https://github.com/flutter/flutter/issues/1865 await tester.pump(); // triggers a frame await Scrollable.ensureVisible(tester.element(find.text('Material')), alignment: 0.5); await tester.pumpAndSettle(); await tester.tap(find.text('Material')); await tester.pumpAndSettle(); // Launch the buttons demo and then prove that showing the example // code dialog does not crash. await tester.tap(find.text('Buttons')); await tester.pumpAndSettle(); await tester.tap(find.byTooltip('Show example code')); await tester.pump(); // start animation await tester.pump(const Duration(seconds: 1)); // end animation expect(find.text('Example code'), findsOneWidget); }); }