// 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_test/flutter_test.dart'; import 'rendering_tester.dart'; void main() { TestRenderingFlutterBinding.ensureInitialized(); test('Stack can layout with top, right, bottom, left 0.0', () { final RenderBox box = RenderConstrainedBox( additionalConstraints: BoxConstraints.tight(const Size(100.0, 100.0)), ); layout(box, constraints: const BoxConstraints()); expect(box.size.width, equals(100.0)); expect(box.size.height, equals(100.0)); expect(box.size, equals(const Size(100.0, 100.0))); expect(box.size.runtimeType.toString(), equals('_DebugSize')); }); }