blob: 5e4075c1989204c5ed9be95cd0fff98248d4f14c [file] [log] [blame]
// 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/rendering.dart';
import 'package:flutter_api_samples/rendering/scroll_direction/scroll_direction.0.dart' as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Example app has ScrollDirection represented', (WidgetTester tester) async {
await tester.pumpWidget(
const example.ExampleApp(),
);
expect(find.byType(Radio<AxisDirection>), findsNWidgets(4));
final RenderViewport viewport = tester.renderObject(find.byType(Viewport));
expect(find.text('AxisDirection.down'), findsOneWidget);
expect(find.text('Axis.vertical'), findsOneWidget);
expect(find.text('GrowthDirection.forward'), findsOneWidget);
expect(find.text('ScrollDirection.idle'), findsOneWidget);
expect(find.byIcon(Icons.arrow_downward_rounded), findsNWidgets(2));
expect(viewport.axisDirection, AxisDirection.down);
await tester.tap(
find.byWidgetPredicate((Widget widget) {
return widget is Radio<AxisDirection> && widget.value == AxisDirection.up;
})
);
await tester.pumpAndSettle();
expect(find.text('AxisDirection.up'), findsOneWidget);
expect(find.text('Axis.vertical'), findsOneWidget);
expect(find.text('GrowthDirection.forward'), findsOneWidget);
expect(find.text('ScrollDirection.idle'), findsOneWidget);
expect(find.byIcon(Icons.arrow_upward_rounded), findsNWidgets(2));
expect(viewport.axisDirection, AxisDirection.up);
});
}