45 lines
1.3 KiB
Dart
45 lines
1.3 KiB
Dart
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/rendering.dart';
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import 'package:test/test.dart';
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import 'rendering_tester.dart';
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void main() {
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test('Stack can layout with top, right, bottom, left 0.0', () {
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RenderBox size = new RenderConstrainedBox(
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additionalConstraints: new BoxConstraints.tight(const Size(100.0, 100.0)));
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RenderBox red = new RenderDecoratedBox(
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decoration: new BoxDecoration(
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backgroundColor: const Color(0xFFFF0000)
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),
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child: size);
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RenderBox green = new RenderDecoratedBox(
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decoration: new BoxDecoration(
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backgroundColor: const Color(0xFFFF0000)
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));
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RenderBox stack = new RenderStack(children: <RenderBox>[red, green]);
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(green.parentData as StackParentData)
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..top = 0.0
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..right = 0.0
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..bottom = 0.0
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..left = 0.0;
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layout(stack, constraints: const BoxConstraints());
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expect(stack.size.width, equals(100.0));
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expect(stack.size.height, equals(100.0));
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expect(red.size.width, equals(100.0));
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expect(red.size.height, equals(100.0));
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expect(green.size.width, equals(100.0));
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expect(green.size.height, equals(100.0));
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});
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}
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