127 lines
3.8 KiB
Dart
127 lines
3.8 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/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'semantics_tester.dart';
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void main() {
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testWidgets('SemanticNode.rect is clipped', (WidgetTester tester) async {
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final semantics = SemanticsTester(tester);
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await tester.pumpWidget(
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const Directionality(
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textDirection: TextDirection.ltr,
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child: Center(
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child: SizedBox(
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width: 100.0,
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child: Flex(
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clipBehavior: Clip.hardEdge,
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direction: Axis.horizontal,
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children: <Widget>[
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SizedBox(width: 75.0, child: Text('1')),
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SizedBox(width: 75.0, child: Text('2')),
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SizedBox(width: 75.0, child: Text('3')),
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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 dynamic exception = tester.takeException();
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expect(exception, isFlutterError);
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// ignore: avoid_dynamic_calls
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expect(exception.diagnostics.first.level, DiagnosticLevel.summary);
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// ignore: avoid_dynamic_calls
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expect(exception.diagnostics.first.toString(), contains('overflowed'));
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expect(
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semantics,
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hasSemantics(
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TestSemantics.root(
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children: <TestSemantics>[
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TestSemantics(label: '1', rect: const Rect.fromLTRB(0.0, 0.0, 75.0, 14.0)),
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TestSemantics(
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label: '2',
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rect: const Rect.fromLTRB(0.0, 0.0, 25.0, 14.0), // clipped form original 75.0 to 25.0
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),
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// node with Text 3 not present.
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],
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),
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ignoreTransform: true,
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ignoreId: true,
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),
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);
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semantics.dispose();
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});
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testWidgets(
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'SemanticsNode is not removed if out of bounds and merged into something within bounds',
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(WidgetTester tester) async {
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final semantics = SemanticsTester(tester);
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await tester.pumpWidget(
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const Directionality(
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textDirection: TextDirection.ltr,
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child: Center(
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child: SizedBox(
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width: 100.0,
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child: Flex(
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clipBehavior: Clip.hardEdge,
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direction: Axis.horizontal,
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children: <Widget>[
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SizedBox(width: 75.0, child: Text('1')),
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MergeSemantics(
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child: Flex(
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direction: Axis.horizontal,
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children: <Widget>[
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SizedBox(width: 75.0, child: Text('2')),
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SizedBox(width: 75.0, child: Text('3')),
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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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),
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);
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final dynamic exception = tester.takeException();
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expect(exception, isFlutterError);
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// ignore: avoid_dynamic_calls
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expect(exception.diagnostics.first.level, DiagnosticLevel.summary);
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// ignore: avoid_dynamic_calls
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expect(exception.diagnostics.first.toString(), contains('overflowed'));
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expect(
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semantics,
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hasSemantics(
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TestSemantics.root(
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children: <TestSemantics>[
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TestSemantics(label: '1', rect: const Rect.fromLTRB(0.0, 0.0, 75.0, 14.0)),
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TestSemantics(
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label: '2\n3',
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rect: const Rect.fromLTRB(
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0.0,
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0.0,
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25.0,
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14.0,
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), // clipped form original 75.0 to 25.0
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),
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],
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),
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ignoreTransform: true,
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ignoreId: true,
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),
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);
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semantics.dispose();
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},
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);
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}
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