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Add:创建 flutter go web 版
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ryan
160
packages/flutter_web/test/widgets/overlay_test.dart
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160
packages/flutter_web/test/widgets/overlay_test.dart
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// Copyright 2016 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_test/flutter_web_test.dart';
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import 'package:flutter_web/widgets.dart';
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void main() {
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testWidgets('OverflowEntries context contains Overlay',
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(WidgetTester tester) async {
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final GlobalKey overlayKey = GlobalKey();
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bool didBuild = false;
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: Overlay(
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key: overlayKey,
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initialEntries: <OverlayEntry>[
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OverlayEntry(
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builder: (BuildContext context) {
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didBuild = true;
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final Overlay overlay =
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context.ancestorWidgetOfExactType(Overlay);
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expect(overlay, isNotNull);
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expect(overlay.key, equals(overlayKey));
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return Container();
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},
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),
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],
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),
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),
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);
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expect(didBuild, isTrue);
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final RenderObject theater = overlayKey.currentContext.findRenderObject();
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expect(theater, hasAGoodToStringDeep);
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expect(
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theater.toStringDeep(minLevel: DiagnosticLevel.info),
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equalsIgnoringHashCodes('_RenderTheatre#f5cf2\n'
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' │ parentData: <none>\n'
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' │ constraints: BoxConstraints(w=800.0, h=600.0)\n'
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' │ size: Size(800.0, 600.0)\n'
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' │\n'
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' ├─onstage: RenderStack#39819\n'
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' ╎ │ parentData: not positioned; offset=Offset(0.0, 0.0) (can use\n'
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' ╎ │ size)\n'
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' ╎ │ constraints: BoxConstraints(w=800.0, h=600.0)\n'
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' ╎ │ size: Size(800.0, 600.0)\n'
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' ╎ │ alignment: AlignmentDirectional.topStart\n'
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' ╎ │ textDirection: ltr\n'
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' ╎ │ fit: expand\n'
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' ╎ │ overflow: clip\n'
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' ╎ │\n'
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' ╎ └─child 1: RenderLimitedBox#d1448\n'
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' ╎ │ parentData: not positioned; offset=Offset(0.0, 0.0) (can use\n'
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' ╎ │ size)\n'
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' ╎ │ constraints: BoxConstraints(w=800.0, h=600.0)\n'
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' ╎ │ size: Size(800.0, 600.0)\n'
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' ╎ │ maxWidth: 0.0\n'
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' ╎ │ maxHeight: 0.0\n'
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' ╎ │\n'
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' ╎ └─child: RenderConstrainedBox#e8b87\n'
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' ╎ parentData: <none> (can use size)\n'
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' ╎ constraints: BoxConstraints(w=800.0, h=600.0)\n'
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' ╎ size: Size(800.0, 600.0)\n'
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' ╎ additionalConstraints: BoxConstraints(biggest)\n'
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' ╎\n'
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' └╌no offstage children\n'),
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);
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});
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testWidgets('Offstage overlay', (WidgetTester tester) async {
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final GlobalKey overlayKey = GlobalKey();
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: Overlay(
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key: overlayKey,
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initialEntries: <OverlayEntry>[
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OverlayEntry(
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opaque: true,
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maintainState: true,
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builder: (BuildContext context) => Container(),
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),
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OverlayEntry(
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opaque: true,
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maintainState: true,
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builder: (BuildContext context) => Container(),
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),
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OverlayEntry(
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opaque: true,
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maintainState: true,
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builder: (BuildContext context) => Container(),
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),
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],
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),
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),
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);
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final RenderObject theater = overlayKey.currentContext.findRenderObject();
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expect(theater, hasAGoodToStringDeep);
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expect(
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theater.toStringDeep(minLevel: DiagnosticLevel.info),
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equalsIgnoringHashCodes('_RenderTheatre#b22a8\n'
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' │ parentData: <none>\n'
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' │ constraints: BoxConstraints(w=800.0, h=600.0)\n'
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' │ size: Size(800.0, 600.0)\n'
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' │\n'
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' ├─onstage: RenderStack#eab87\n'
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' ╎ │ parentData: not positioned; offset=Offset(0.0, 0.0) (can use\n'
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' ╎ │ size)\n'
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' ╎ │ constraints: BoxConstraints(w=800.0, h=600.0)\n'
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' ╎ │ size: Size(800.0, 600.0)\n'
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' ╎ │ alignment: AlignmentDirectional.topStart\n'
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' ╎ │ textDirection: ltr\n'
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' ╎ │ fit: expand\n'
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' ╎ │ overflow: clip\n'
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' ╎ │\n'
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' ╎ └─child 1: RenderLimitedBox#ca15b\n'
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' ╎ │ parentData: not positioned; offset=Offset(0.0, 0.0) (can use\n'
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' ╎ │ size)\n'
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' ╎ │ constraints: BoxConstraints(w=800.0, h=600.0)\n'
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' ╎ │ size: Size(800.0, 600.0)\n'
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' ╎ │ maxWidth: 0.0\n'
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' ╎ │ maxHeight: 0.0\n'
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' ╎ │\n'
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' ╎ └─child: RenderConstrainedBox#dffe5\n'
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' ╎ parentData: <none> (can use size)\n'
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' ╎ constraints: BoxConstraints(w=800.0, h=600.0)\n'
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' ╎ size: Size(800.0, 600.0)\n'
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' ╎ additionalConstraints: BoxConstraints(biggest)\n'
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' ╎\n'
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' ╎╌offstage 1: RenderLimitedBox#b6f09 NEEDS-LAYOUT NEEDS-PAINT\n'
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' ╎ │ parentData: not positioned; offset=Offset(0.0, 0.0)\n'
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' ╎ │ constraints: MISSING\n'
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' ╎ │ size: MISSING\n'
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' ╎ │ maxWidth: 0.0\n'
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' ╎ │ maxHeight: 0.0\n'
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' ╎ │\n'
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' ╎ └─child: RenderConstrainedBox#5a057 NEEDS-LAYOUT NEEDS-PAINT\n'
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' ╎ parentData: <none>\n'
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' ╎ constraints: MISSING\n'
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' ╎ size: MISSING\n'
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' ╎ additionalConstraints: BoxConstraints(biggest)\n'
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' ╎\n'
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' └╌offstage 2: RenderLimitedBox#f689e NEEDS-LAYOUT NEEDS-PAINT\n'
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' │ parentData: not positioned; offset=Offset(0.0, 0.0)\n'
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' │ constraints: MISSING\n'
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' │ size: MISSING\n'
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' │ maxWidth: 0.0\n'
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' │ maxHeight: 0.0\n'
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' │\n'
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' └─child: RenderConstrainedBox#c15f0 NEEDS-LAYOUT NEEDS-PAINT\n'
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' parentData: <none>\n'
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' constraints: MISSING\n'
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' size: MISSING\n'
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' additionalConstraints: BoxConstraints(biggest)\n'),
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);
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});
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}
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