flutter/examples/api/test/material/app_bar/app_bar.1_test.dart
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Co-authored-by: Kate Lovett <katelovett@google.com>
Co-authored-by: LongCatIsLooong <31859944+LongCatIsLooong@users.noreply.github.com>
2024-12-19 20:06:21 +00:00

51 lines
1.8 KiB
Dart

// 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_api_samples/material/app_bar/app_bar.1.dart' as example;
import 'package:flutter_test/flutter_test.dart';
const Offset _kOffset = Offset(0.0, -100.0);
void main() {
testWidgets('Appbar Material 3 test', (WidgetTester tester) async {
await tester.pumpWidget(const example.AppBarApp());
expect(find.widgetWithText(AppBar, 'AppBar Demo'), findsOneWidget);
Material appbarMaterial = _getAppBarMaterial(tester);
expect(appbarMaterial.shadowColor, Colors.transparent);
expect(appbarMaterial.elevation, 0);
await tester.drag(find.text('Item 4'), _kOffset, touchSlopY: 0, warnIfMissed: false);
await tester.pump();
await tester.pump(const Duration(milliseconds: 500));
await tester.tap(find.text('shadow color'));
await tester.pumpAndSettle();
appbarMaterial = _getAppBarMaterial(tester);
expect(appbarMaterial.shadowColor, Colors.black);
expect(appbarMaterial.elevation, 3.0);
await tester.tap(find.text('scrolledUnderElevation: default'));
await tester.pumpAndSettle();
appbarMaterial = _getAppBarMaterial(tester);
expect(appbarMaterial.shadowColor, Colors.black);
expect(appbarMaterial.elevation, 4.0);
await tester.tap(find.text('scrolledUnderElevation: 4.0'));
await tester.pumpAndSettle();
appbarMaterial = _getAppBarMaterial(tester);
expect(appbarMaterial.shadowColor, Colors.black);
expect(appbarMaterial.elevation, 5.0);
});
}
Material _getAppBarMaterial(WidgetTester tester) {
return tester.widget<Material>(
find.descendant(of: find.byType(AppBar), matching: find.byType(Material)),
);
}