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53 lines
1.9 KiB
Dart
53 lines
1.9 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_web/material.dart';
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import 'package:flutter_web/rendering.dart';
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import '../flutter_test_alternative.dart';
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import 'rendering_tester.dart';
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void main() {
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test('RenderBaseline', () {
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RenderBaseline parent;
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RenderSizedBox child;
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final RenderBox root = RenderPositionedBox(
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alignment: Alignment.topLeft,
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child: parent = RenderBaseline(
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baseline: 0.0,
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baselineType: TextBaseline.alphabetic,
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child: child = RenderSizedBox(const Size(100.0, 100.0))));
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final BoxParentData childParentData = child.parentData;
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layout(root, phase: EnginePhase.layout);
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expect(childParentData.offset.dx, equals(0.0));
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expect(childParentData.offset.dy, equals(-100.0));
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expect(parent.size, equals(const Size(100.0, 0.0)));
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parent.baseline = 25.0;
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pumpFrame(phase: EnginePhase.layout);
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expect(childParentData.offset.dx, equals(0.0));
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expect(childParentData.offset.dy, equals(-75.0));
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expect(parent.size, equals(const Size(100.0, 25.0)));
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parent.baseline = 90.0;
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pumpFrame(phase: EnginePhase.layout);
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expect(childParentData.offset.dx, equals(0.0));
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expect(childParentData.offset.dy, equals(-10.0));
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expect(parent.size, equals(const Size(100.0, 90.0)));
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parent.baseline = 100.0;
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pumpFrame(phase: EnginePhase.layout);
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expect(childParentData.offset.dx, equals(0.0));
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expect(childParentData.offset.dy, equals(0.0));
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expect(parent.size, equals(const Size(100.0, 100.0)));
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parent.baseline = 110.0;
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pumpFrame(phase: EnginePhase.layout);
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expect(childParentData.offset.dx, equals(0.0));
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expect(childParentData.offset.dy, equals(10.0));
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expect(parent.size, equals(const Size(100.0, 110.0)));
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});
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}
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