37 lines
1.4 KiB
Dart
37 lines
1.4 KiB
Dart
// Copyright 2014 The Flutter 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:flutter/widgets.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('provides a value to the layer tree', (WidgetTester tester) async {
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await tester.pumpWidget(
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const AnnotatedRegion<int>(value: 1, child: SizedBox(width: 100.0, height: 100.0)),
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);
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final List<Layer> layers = tester.layers;
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final AnnotatedRegionLayer<int> layer = layers.whereType<AnnotatedRegionLayer<int>>().first;
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expect(layer.value, 1);
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});
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testWidgets('provides a value to the layer tree in a particular region', (
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WidgetTester tester,
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) async {
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await tester.pumpWidget(
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Transform.translate(
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offset: const Offset(25.0, 25.0),
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child: const AnnotatedRegion<int>(value: 1, child: SizedBox(width: 100.0, height: 100.0)),
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),
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);
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int? result = RendererBinding.instance.renderView.debugLayer!.find<int>(
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Offset(10.0 * tester.view.devicePixelRatio, 10.0 * tester.view.devicePixelRatio),
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);
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expect(result, null);
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result = RendererBinding.instance.renderView.debugLayer!.find<int>(
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Offset(50.0 * tester.view.devicePixelRatio, 50.0 * tester.view.devicePixelRatio),
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);
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expect(result, 1);
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});
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}
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