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6a61e878a6
Tests for `app_bar.0`, `app_bar.1`, `app_bar.2`, `app_bar.3`, `sliver_app_bar.1` and `sliver_app_bar.4` were already present. But directory name was `appbar` rather than `app_bar`. I've renamed the directory to `app_bar` since example files uses that only. Part of #130459
32 lines
1.0 KiB
Dart
32 lines
1.0 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'package:flutter_api_samples/material/app_bar/app_bar.3.dart' as example;
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets(
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'AppBar elevates when nested scroll view is scrolled underneath the AppBar',
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(WidgetTester tester) async {
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Material getMaterial() => tester.widget<Material>(find.descendant(
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of: find.byType(AppBar),
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matching: find.byType(Material),
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));
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await tester.pumpWidget(
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const example.AppBarApp(),
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);
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// Starts with the base elevation.
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expect(getMaterial().elevation, 0.0);
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await tester.fling(find.text('Beach 3'), const Offset(0.0, -600.0), 2000.0);
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await tester.pumpAndSettle();
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// After scrolling it should be the scrolledUnderElevation.
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expect(getMaterial().elevation, 4.0);
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});
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}
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