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Add:创建 flutter go web 版

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ryan
2019-08-13 20:38:46 +08:00
parent 64513b59c1
commit da67ccf5a8
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packages/flutter_web/test/widgets/image_icon_test.dart Normal file
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// Copyright 2015 The Chromium 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_web/rendering.dart';
import 'package:flutter_web/widgets.dart';
import 'package:flutter_web_test/flutter_web_test.dart';
import '../painting/mocks_for_image_cache.dart';
const ImageProvider _kImage = TestImageProvider(21, 42);
void main() {
testWidgets('ImageIcon sizing - no theme, default size',
(WidgetTester tester) async {
await tester.pumpWidget(const Center(child: ImageIcon(_kImage)));
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(
const Center(
child: IconTheme(
data: IconThemeData(opacity: 0.5),
child: ImageIcon(_kImage),
),
),
);
final Image image = tester.widget(find.byType(Image));
expect(image, isNotNull);
expect(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();
});
}