53 lines
1.6 KiB
Dart
53 lines
1.6 KiB
Dart
// 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_test/flutter_test.dart';
|
|
import 'package:flutter/rendering.dart';
|
|
import 'package:flutter/widgets.dart';
|
|
|
|
Future<Size> _getSize(WidgetTester tester, BoxConstraints constraints, double aspectRatio) async {
|
|
Key childKey = new UniqueKey();
|
|
await tester.pumpWidget(
|
|
new Center(
|
|
child: new ConstrainedBox(
|
|
constraints: constraints,
|
|
child: new AspectRatio(
|
|
aspectRatio: aspectRatio,
|
|
child: new Container(
|
|
key: childKey
|
|
)
|
|
)
|
|
)
|
|
)
|
|
);
|
|
RenderBox box = tester.renderObject(find.byKey(childKey));
|
|
return box.size;
|
|
}
|
|
|
|
void main() {
|
|
testWidgets('Aspect ratio control test', (WidgetTester tester) async {
|
|
expect(await _getSize(tester, new BoxConstraints.loose(new Size(500.0, 500.0)), 2.0), equals(new Size(500.0, 250.0)));
|
|
expect(await _getSize(tester, new BoxConstraints.loose(new Size(500.0, 500.0)), 0.5), equals(new Size(250.0, 500.0)));
|
|
});
|
|
|
|
testWidgets('Aspect ratio infinite width', (WidgetTester tester) async {
|
|
Key childKey = new UniqueKey();
|
|
await tester.pumpWidget(
|
|
new Center(
|
|
child: new Viewport(
|
|
mainAxis: Axis.horizontal,
|
|
child: new AspectRatio(
|
|
aspectRatio: 2.0,
|
|
child: new Container(
|
|
key: childKey
|
|
)
|
|
)
|
|
)
|
|
)
|
|
);
|
|
RenderBox box = tester.renderObject(find.byKey(childKey));
|
|
expect(box.size, equals(new Size(1200.0, 600.0)));
|
|
});
|
|
}
|