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12f54e17f4
* Revert "Revert "Improve performance of collectAllElements (#68065)" (#68207)"
This reverts commit 46ff57d6f1.
* use fewer elements for benchmark
35 lines
1.1 KiB
Dart
35 lines
1.1 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_test/flutter_test.dart';
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void main() {
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testWidgets('collectAllElements goes in LTR DFS', (WidgetTester tester) async {
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final GlobalKey key = GlobalKey();
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await tester.pumpWidget(Directionality(
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key: key,
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textDirection: TextDirection.ltr,
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child: Row(
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children: <Widget>[
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RichText(text: const TextSpan(text: 'a')),
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RichText(text: const TextSpan(text: 'b')),
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],
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),
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));
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final List<Element> elements = collectAllElementsFrom(
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key.currentContext! as Element,
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skipOffstage: false,
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).toList();
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expect(elements.length, 3);
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expect(elements[0].widget, isA<Row>());
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expect(elements[1].widget, isA<RichText>());
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expect(((elements[1].widget as RichText).text as TextSpan).text, 'a');
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expect(elements[2].widget, isA<RichText>());
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expect(((elements[2].widget as RichText).text as TextSpan).text, 'b');
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});
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}
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