// 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 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(), equalsIgnoringHashCodes( '_RenderTheatre#00000\n' ' │ creator: _Theatre ← Overlay-[GlobalKey#00000] ← [root]\n' ' │ parentData: <none>\n' ' │ constraints: BoxConstraints(w=800.0, h=600.0)\n' ' │ size: Size(800.0, 600.0)\n' ' │\n' ' ├─onstage: RenderStack#00000\n' ' ╎ │ creator: Stack ← _Theatre ← Overlay-[GlobalKey#00000] ← [root]\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: FractionalOffset(0.0, 0.0)\n' ' ╎ │ fit: expand\n' ' ╎ │ overflow: clip\n' ' ╎ │\n' ' ╎ └─child 1: RenderLimitedBox#00000\n' ' ╎ │ creator: LimitedBox ← Container ←\n' ' ╎ │ _OverlayEntry-[LabeledGlobalKey<_OverlayEntryState>#00000] ←\n' ' ╎ │ Stack ← _Theatre ← Overlay-[GlobalKey#00000] ← [root]\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#00000\n' ' ╎ creator: ConstrainedBox ← LimitedBox ← Container ←\n' ' ╎ _OverlayEntry-[LabeledGlobalKey<_OverlayEntryState>#00000] ←\n' ' ╎ Stack ← _Theatre ← Overlay-[GlobalKey#00000] ← [root]\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 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(), equalsIgnoringHashCodes( '_RenderTheatre#00000\n' ' │ creator: _Theatre ← Overlay-[GlobalKey#00000] ← [root]\n' ' │ parentData: <none>\n' ' │ constraints: BoxConstraints(w=800.0, h=600.0)\n' ' │ size: Size(800.0, 600.0)\n' ' │\n' ' ├─onstage: RenderStack#00000\n' ' ╎ │ creator: Stack ← _Theatre ← Overlay-[GlobalKey#00000] ← [root]\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: FractionalOffset(0.0, 0.0)\n' ' ╎ │ fit: expand\n' ' ╎ │ overflow: clip\n' ' ╎ │\n' ' ╎ └─child 1: RenderLimitedBox#00000\n' ' ╎ │ creator: LimitedBox ← Container ←\n' ' ╎ │ _OverlayEntry-[LabeledGlobalKey<_OverlayEntryState>#00000] ←\n' ' ╎ │ Stack ← _Theatre ← Overlay-[GlobalKey#00000] ← [root]\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#00000\n' ' ╎ creator: ConstrainedBox ← LimitedBox ← Container ←\n' ' ╎ _OverlayEntry-[LabeledGlobalKey<_OverlayEntryState>#00000] ←\n' ' ╎ Stack ← _Theatre ← Overlay-[GlobalKey#00000] ← [root]\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#00000 NEEDS-LAYOUT NEEDS-PAINT\n' ' ╎ │ creator: LimitedBox ← Container ←\n' ' ╎ │ _OverlayEntry-[LabeledGlobalKey<_OverlayEntryState>#00000] ←\n' ' ╎ │ TickerMode ← _Theatre ← Overlay-[GlobalKey#00000] ← [root]\n' ' ╎ │ parentData: not positioned; offset=Offset(0.0, 0.0)\n' ' ╎ │ constraints: null\n' ' ╎ │ size: MISSING\n' ' ╎ │ maxWidth: 0.0\n' ' ╎ │ maxHeight: 0.0\n' ' ╎ │\n' ' ╎ └─child: RenderConstrainedBox#00000 NEEDS-LAYOUT NEEDS-PAINT\n' ' ╎ creator: ConstrainedBox ← LimitedBox ← Container ←\n' ' ╎ _OverlayEntry-[LabeledGlobalKey<_OverlayEntryState>#00000] ←\n' ' ╎ TickerMode ← _Theatre ← Overlay-[GlobalKey#00000] ← [root]\n' ' ╎ parentData: <none>\n' ' ╎ constraints: null\n' ' ╎ size: MISSING\n' ' ╎ additionalConstraints: BoxConstraints(biggest)\n' ' ╎\n' ' └╌offstage 2: RenderLimitedBox#00000 NEEDS-LAYOUT NEEDS-PAINT\n' ' │ creator: LimitedBox ← Container ←\n' ' │ _OverlayEntry-[LabeledGlobalKey<_OverlayEntryState>#00000] ←\n' ' │ TickerMode ← _Theatre ← Overlay-[GlobalKey#00000] ← [root]\n' ' │ parentData: not positioned; offset=Offset(0.0, 0.0)\n' ' │ constraints: null\n' ' │ size: MISSING\n' ' │ maxWidth: 0.0\n' ' │ maxHeight: 0.0\n' ' │\n' ' └─child: RenderConstrainedBox#00000 NEEDS-LAYOUT NEEDS-PAINT\n' ' creator: ConstrainedBox ← LimitedBox ← Container ←\n' ' _OverlayEntry-[LabeledGlobalKey<_OverlayEntryState>#00000] ←\n' ' TickerMode ← _Theatre ← Overlay-[GlobalKey#00000] ← [root]\n' ' parentData: <none>\n' ' constraints: null\n' ' size: MISSING\n' ' additionalConstraints: BoxConstraints(biggest)\n' ), ); }); }