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samples/material_3_demo/test/elevation_screen_test.dart

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3.0 KiB

// Copyright 2021 The Flutter team. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// ignore_for_file: avoid_types_on_closure_parameters
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:material_3_demo/elevation_screen.dart';
import 'package:material_3_demo/main.dart';
import 'component_screen_test.dart';
void main() {
testWidgets(
'Surface Tones screen shows correctly when the corresponding icon is '
'selected on NavigationBar', (tester) async {
widgetSetup(tester, 449);
addTearDown(tester.binding.window.clearPhysicalSizeTestValue);
await tester.pumpWidget(const App());
expect(find.text('Surface Tint Color Only'), findsNothing);
expect(find.byType(NavigationBar), findsOneWidget);
Finder tintIconOnBar = find.descendant(
of: find.byType(NavigationBar),
matching: find.widgetWithIcon(
NavigationDestination, Icons.invert_colors_on_outlined));
expect(tintIconOnBar, findsOneWidget);
await tester.tap(tintIconOnBar);
await tester.pumpAndSettle(const Duration(microseconds: 500));
expect(tintIconOnBar, findsNothing);
Finder selectedTintIconOnBar = find.descendant(
of: find.byType(NavigationBar),
matching: find.widgetWithIcon(NavigationDestination, Icons.opacity));
expect(selectedTintIconOnBar, findsOneWidget);
expect(find.text('Surface Tint Color Only'), findsOneWidget);
});
testWidgets(
'Surface Tones screen shows correctly when the corresponding icon is '
'selected on NavigationRail', (tester) async {
widgetSetup(
tester, 1200); // NavigationRail shows only when width is > 1000.
addTearDown(tester.binding.window.clearPhysicalSizeTestValue);
await tester.pumpWidget(const App());
expect(find.text('Surface Tint Color Only'), findsNothing);
Finder tintIconOnRail = find.descendant(
of: find.byType(NavigationRail),
matching: find.byIcon(Icons.invert_colors_on_outlined));
expect(tintIconOnRail, findsOneWidget);
await tester.tap(tintIconOnRail);
await tester.pumpAndSettle(const Duration(microseconds: 500));
expect(tintIconOnRail, findsNothing);
Finder selectedTintIconOnRail = find.descendant(
of: find.byType(NavigationRail), matching: find.byIcon(Icons.opacity));
expect(selectedTintIconOnRail, findsOneWidget);
expect(find.text('Surface Tint Color Only'), findsOneWidget);
});
testWidgets('Surface Tones screen shows correct content', (tester) async {
await tester.pumpWidget(MaterialApp(
home: Scaffold(body: Row(children: const [ElevationScreen()])),
));
expect(find.text('Surface Tint Color Only'), findsOneWidget);
expect(find.text('Surface Tint Color and Shadow Color'), findsOneWidget);
expect(find.text('Shadow Color Only'), findsOneWidget);
expect(find.byType(ElevationGrid), findsNWidgets(3));
expect(find.byType(ElevationCard), findsNWidgets(18));
});
}