// Copyright 2014 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. import 'package:flutter/material.dart'; import 'package:flutter/rendering.dart'; import 'package:flutter/widgets.dart'; import 'package:flutter_test/flutter_test.dart'; import 'semantics_tester.dart'; void main() { testWidgets('markNeedsSemanticsUpdate() called on non-boundary with non-boundary parent', (WidgetTester tester) async { final SemanticsTester semantics = SemanticsTester(tester); await tester.pumpWidget( Semantics( container: true, onTap: dummyTapHandler, child: Semantics( onTap: dummyTapHandler, child: Semantics( onTap: dummyTapHandler, textDirection: TextDirection.ltr, label: 'foo', ), ), ), ); expect(semantics, hasSemantics(TestSemantics.root( children: <TestSemantics>[ TestSemantics.rootChild( id: 1, actions: SemanticsAction.tap.index, children: <TestSemantics>[ TestSemantics( id: 2, actions: SemanticsAction.tap.index, children: <TestSemantics>[ TestSemantics( id: 3, actions: SemanticsAction.tap.index, label: 'foo', ), ], ), ], ), ], ), ignoreRect: true, ignoreTransform: true)); // make a change causing call to markNeedsSemanticsUpdate() // This should not throw an assert. await tester.pumpWidget( Semantics( container: true, onTap: dummyTapHandler, child: Semantics( onTap: dummyTapHandler, child: Semantics( onTap: dummyTapHandler, textDirection: TextDirection.ltr, label: 'bar', // <-- only change ), ), ), ); expect(semantics, hasSemantics(TestSemantics.root( children: <TestSemantics>[ TestSemantics.rootChild( id: 1, actions: SemanticsAction.tap.index, children: <TestSemantics>[ TestSemantics( id: 2, actions: SemanticsAction.tap.index, children: <TestSemantics>[ TestSemantics( id: 3, actions: SemanticsAction.tap.index, label: 'bar', ), ], ), ], ), ], ), ignoreRect: true, ignoreTransform: true)); semantics.dispose(); }); } void dummyTapHandler() { }