// 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/rendering.dart'; import 'package:flutter/widgets.dart'; import 'package:flutter_test/flutter_test.dart'; import '../painting/mocks_for_image_cache.dart'; void main() { late ImageProvider image; setUpAll(() async { image = TestImageProvider( 21, 42, image: await createTestImage(width: 10, height: 10), ); }); testWidgets('ImageIcon sizing - no theme, default size', (WidgetTester tester) async { await tester.pumpWidget( Center( child: ImageIcon(image), ), ); final RenderBox renderObject = tester.renderObject(find.byType(ImageIcon)); expect(renderObject.size, equals(const Size.square(24.0))); expect(find.byType(Image), findsOneWidget); }); testWidgets('Icon opacity', (WidgetTester tester) async { await tester.pumpWidget( Center( child: IconTheme( data: const IconThemeData(opacity: 0.5), child: ImageIcon(image), ), ), ); expect(tester.widget<Image>(find.byType(Image)).color!.alpha, equals(128)); }); testWidgets('ImageIcon sizing - no theme, explicit size', (WidgetTester tester) async { await tester.pumpWidget( const Center( child: ImageIcon( null, size: 96.0, ), ), ); final RenderBox renderObject = tester.renderObject(find.byType(ImageIcon)); expect(renderObject.size, equals(const Size.square(96.0))); }); testWidgets('ImageIcon sizing - sized theme', (WidgetTester tester) async { await tester.pumpWidget( const Center( child: IconTheme( data: IconThemeData(size: 36.0), child: ImageIcon(null), ), ), ); final RenderBox renderObject = tester.renderObject(find.byType(ImageIcon)); expect(renderObject.size, equals(const Size.square(36.0))); }); testWidgets('ImageIcon sizing - sized theme, explicit size', (WidgetTester tester) async { await tester.pumpWidget( const Center( child: IconTheme( data: IconThemeData(size: 36.0), child: ImageIcon( null, size: 48.0, ), ), ), ); final RenderBox renderObject = tester.renderObject(find.byType(ImageIcon)); expect(renderObject.size, equals(const Size.square(48.0))); }); testWidgets('ImageIcon sizing - sizeless theme, default size', (WidgetTester tester) async { await tester.pumpWidget( const Center( child: IconTheme( data: IconThemeData(), child: ImageIcon(null), ), ), ); final RenderBox renderObject = tester.renderObject(find.byType(ImageIcon)); expect(renderObject.size, equals(const Size.square(24.0))); }); testWidgets('ImageIcon has semantics data', (WidgetTester tester) async { final SemanticsHandle handle = tester.ensureSemantics(); await tester.pumpWidget( const Directionality( textDirection: TextDirection.ltr, child: Center( child: IconTheme( data: IconThemeData(), child: ImageIcon(null, semanticLabel: 'test'), ), ), ), ); expect(tester.getSemantics(find.byType(ImageIcon)), matchesSemantics( label: 'test', textDirection: TextDirection.ltr, )); handle.dispose(); }); }