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