chen08209
47 lines
1.2 KiB
Dart
47 lines
1.2 KiB
Dart
import 'package:fl_clash/widgets/widgets.dart';
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import 'package:flutter/rendering.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:material_ui/material_ui.dart';
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import '../helpers/test_app.dart';
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void main() {
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testWidgets('a rebuild in the body repaints neither the bar nor the page', (
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tester,
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) async {
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final count = ValueNotifier(0);
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addTearDown(count.dispose);
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const pageKey = Key('page');
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await tester.pumpWidget(
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TestApp(
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wrapInProviderScope: true,
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child: RepaintBoundary(
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key: pageKey,
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child: CommonScaffold(
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title: 'Page',
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body: Column(
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children: [
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ValueListenableBuilder(
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valueListenable: count,
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builder: (_, value, _) =>
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RepaintBoundary(child: Text('$value')),
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),
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],
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),
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),
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),
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),
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);
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final page = tester.renderObject<RenderRepaintBoundary>(
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find.byKey(pageKey),
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);
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page.debugResetMetrics();
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count.value++;
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await tester.pump();
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expect(find.text('1'), findsOneWidget);
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expect(page.debugSymmetricPaintCount + page.debugAsymmetricPaintCount, 0);
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});
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}
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