packages/flutter/test/widgets/platform_menu_bar_test.dart - mirrors/flutter - Git at Google

 // Copyright 2014 The Flutter 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/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/src/foundation/diagnostics.dart';
 import 'package:flutter_test/flutter_test.dart';

 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();

   late FakeMenuChannel fakeMenuChannel;
   late PlatformMenuDelegate originalDelegate;
   late DefaultPlatformMenuDelegate delegate;
   final List<String> selected = <String>[];
   final List<String> opened = <String>[];
   final List<String> closed = <String>[];

   void onSelected(String item) {
     selected.add(item);
   }

   void onOpen(String item) {
     opened.add(item);
   }

   void onClose(String item) {
     closed.add(item);
   }

   setUp(() {
     fakeMenuChannel = FakeMenuChannel((MethodCall call) async {});
     delegate = DefaultPlatformMenuDelegate(channel: fakeMenuChannel);
     originalDelegate = WidgetsBinding.instance.platformMenuDelegate;
     WidgetsBinding.instance.platformMenuDelegate = delegate;
     selected.clear();
     opened.clear();
     closed.clear();
   });

   tearDown(() {
     WidgetsBinding.instance.platformMenuDelegate = originalDelegate;
   });

   group('PlatformMenuBar', () {
     group('basic menu structure is transmitted to platform', () {
       testWidgets('using onSelected', (WidgetTester tester) async {
         await tester.pumpWidget(
           MaterialApp(
             home: Material(
               child: PlatformMenuBar(
                 menus: createTestMenus(
                   onSelected: onSelected,
                   onOpen: onOpen,
                   onClose: onClose,
                   shortcuts: <String, MenuSerializableShortcut>{
                     subSubMenu10[0]: const SingleActivator(LogicalKeyboardKey.keyA, control: true),
                     subSubMenu10[1]: const SingleActivator(LogicalKeyboardKey.keyB, shift: true),
                     subSubMenu10[2]: const SingleActivator(LogicalKeyboardKey.keyC, alt: true),
                     subSubMenu10[3]: const SingleActivator(LogicalKeyboardKey.keyD, meta: true),
                   },
                 ),
                 child: const Center(child: Text('Body')),
               ),
             ),
           ),
         );

         expect(
           fakeMenuChannel.outgoingCalls.last.method,
           equals('Menu.setMenus'),
         );
         expect(
           fakeMenuChannel.outgoingCalls.last.arguments,
           equals(expectedStructure),
         );
       });
       testWidgets('using onSelectedIntent', (WidgetTester tester) async {
         await tester.pumpWidget(
           MaterialApp(
             home: Material(
               child: PlatformMenuBar(
                 menus: createTestMenus(
                   onSelectedIntent: const DoNothingIntent(),
                   onOpen: onOpen,
                   onClose: onClose,
                   shortcuts: <String, MenuSerializableShortcut>{
                     subSubMenu10[0]: const SingleActivator(LogicalKeyboardKey.keyA, control: true),
                     subSubMenu10[1]: const SingleActivator(LogicalKeyboardKey.keyB, shift: true),
                     subSubMenu10[2]: const SingleActivator(LogicalKeyboardKey.keyC, alt: true),
                     subSubMenu10[3]: const SingleActivator(LogicalKeyboardKey.keyD, meta: true),
                   },
                 ),
                 child: const Center(child: Text('Body')),
               ),
             ),
           ),
         );

         expect(
           fakeMenuChannel.outgoingCalls.last.method,
           equals('Menu.setMenus'),
         );
         expect(
           fakeMenuChannel.outgoingCalls.last.arguments,
           equals(expectedStructure),
         );
       });
     });
     testWidgets('asserts when more than one has locked the delegate', (WidgetTester tester) async {
       await tester.pumpWidget(
         const MaterialApp(
           home: Material(
             child: PlatformMenuBar(
               menus: <PlatformMenuItem>[],
               child: PlatformMenuBar(
                 menus: <PlatformMenuItem>[],
                 child: SizedBox(),
               ),
             ),
           ),
         ),
       );
       expect(tester.takeException(), isA<AssertionError>());
     });
     testWidgets('diagnostics', (WidgetTester tester) async {
       const PlatformMenuItem item = PlatformMenuItem(
         label: 'label2',
         shortcut: SingleActivator(LogicalKeyboardKey.keyA),
       );
       const PlatformMenuBar menuBar = PlatformMenuBar(
         menus: <PlatformMenuItem>[item],
         child: SizedBox(),
       );

       await tester.pumpWidget(
         const MaterialApp(
           home: Material(
             child: menuBar,
           ),
         ),
       );
       await tester.pump();

       expect(
         menuBar.toStringDeep(),
         equalsIgnoringHashCodes(
           'PlatformMenuBar#00000\n'
           ' └─PlatformMenuItem#00000(label2)\n'
           '     label: "label2"\n'
           '     shortcut: SingleActivator#00000(keys: Key A)\n'
           '     DISABLED\n',
         ),
       );
     });
   });
   group('MenuBarItem', () {
     testWidgets('diagnostics', (WidgetTester tester) async {
       const PlatformMenuItem childItem = PlatformMenuItem(
         label: 'label',
       );
       const PlatformMenu item = PlatformMenu(
         label: 'label',
         menus: <PlatformMenuItem>[childItem],
       );

       final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
       item.debugFillProperties(builder);

       final List<String> description = builder.properties
           .where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
           .map((DiagnosticsNode node) => node.toString())
           .toList();

       expect(description, <String>[
         'label: "label"',
       ]);
     });
   });

   group('ShortcutSerialization', () {
     testWidgets('character constructor', (WidgetTester tester) async {
       final ShortcutSerialization serialization = ShortcutSerialization.character('?');
       expect(serialization.toChannelRepresentation(), equals(<String, Object?>{
         'shortcutCharacter': '?',
         'shortcutModifiers': 0,
       }));
       final ShortcutSerialization serializationWithModifiers = ShortcutSerialization.character('?', alt: true, control: true, meta: true);
       expect(serializationWithModifiers.toChannelRepresentation(), equals(<String, Object?>{
         'shortcutCharacter': '?',
         'shortcutModifiers': 13,
       }));
     });

     testWidgets('modifier constructor', (WidgetTester tester) async {
       final ShortcutSerialization serialization = ShortcutSerialization.modifier(LogicalKeyboardKey.home);
       expect(serialization.toChannelRepresentation(), equals(<String, Object?>{
         'shortcutTrigger': LogicalKeyboardKey.home.keyId,
         'shortcutModifiers': 0,
       }));
       final ShortcutSerialization serializationWithModifiers = ShortcutSerialization.modifier(LogicalKeyboardKey.home, alt: true, control: true, meta: true, shift: true);
       expect(serializationWithModifiers.toChannelRepresentation(), equals(<String, Object?>{
         'shortcutTrigger': LogicalKeyboardKey.home.keyId,
         'shortcutModifiers': 15,
       }));
     });
   });
 }

 const List<String> mainMenu = <String>[
   'Menu 0',
   'Menu 1',
   'Menu 2',
   'Menu 3',
 ];

 const List<String> subMenu0 = <String>[
   'Sub Menu 00',
 ];

 const List<String> subMenu1 = <String>[
   'Sub Menu 10',
   'Sub Menu 11',
   'Sub Menu 12',
 ];

 const List<String> subSubMenu10 = <String>[
   'Sub Sub Menu 110',
   'Sub Sub Menu 111',
   'Sub Sub Menu 112',
   'Sub Sub Menu 113',
 ];

 const List<String> subMenu2 = <String>[
   'Sub Menu 20',
 ];

 List<PlatformMenuItem> createTestMenus({
   void Function(String)? onSelected,
   Intent? onSelectedIntent,
   void Function(String)? onOpen,
   void Function(String)? onClose,
   Map<String, MenuSerializableShortcut> shortcuts = const <String, MenuSerializableShortcut>{},
   bool includeStandard = false,
 }) {
   final List<PlatformMenuItem> result = <PlatformMenuItem>[
     PlatformMenu(
       label: mainMenu[0],
       onOpen: onOpen != null ? () => onOpen(mainMenu[0]) : null,
       onClose: onClose != null ? () => onClose(mainMenu[0]) : null,
       menus: <PlatformMenuItem>[
         PlatformMenuItem(
           label: subMenu0[0],
           onSelected: onSelected != null ? () => onSelected(subMenu0[0]) : null,
           onSelectedIntent: onSelectedIntent,
           shortcut: shortcuts[subMenu0[0]],
         ),
       ],
     ),
     PlatformMenu(
       label: mainMenu[1],
       onOpen: onOpen != null ? () => onOpen(mainMenu[1]) : null,
       onClose: onClose != null ? () => onClose(mainMenu[1]) : null,
       menus: <PlatformMenuItem>[
         PlatformMenuItemGroup(
           members: <PlatformMenuItem>[
             PlatformMenuItem(
               label: subMenu1[0],
               onSelected: onSelected != null ? () => onSelected(subMenu0[0]) : null,
               onSelectedIntent: onSelectedIntent,
               shortcut: shortcuts[subMenu1[0]],
             ),
           ],
         ),
         PlatformMenu(
           label: subMenu1[1],
           onOpen: onOpen != null ? () => onOpen(subMenu1[1]) : null,
           onClose: onClose != null ? () => onClose(subMenu1[1]) : null,
           menus: <PlatformMenuItem>[
             PlatformMenuItemGroup(
               members: <PlatformMenuItem>[
                 PlatformMenuItem(
                   label: subSubMenu10[0],
                   onSelected: onSelected != null ? () => onSelected(subSubMenu10[0]) : null,
                   onSelectedIntent: onSelectedIntent,
                   shortcut: shortcuts[subSubMenu10[0]],
                 ),
               ],
             ),
             PlatformMenuItemGroup(
               members: <PlatformMenuItem>[
                 PlatformMenuItem(
                   label: subSubMenu10[1],
                   onSelected: onSelected != null ? () => onSelected(subSubMenu10[1]) : null,
                   onSelectedIntent: onSelectedIntent,
                   shortcut: shortcuts[subSubMenu10[1]],
                 ),
               ],
             ),
             PlatformMenuItem(
               label: subSubMenu10[2],
               onSelected: onSelected != null ? () => onSelected(subSubMenu10[2]) : null,
               onSelectedIntent: onSelectedIntent,
               shortcut: shortcuts[subSubMenu10[2]],
             ),
             PlatformMenuItemGroup(
               members: <PlatformMenuItem>[
                 PlatformMenuItem(
                   label: subSubMenu10[3],
                   onSelected: onSelected != null ? () => onSelected(subSubMenu10[3]) : null,
                   onSelectedIntent: onSelectedIntent,
                   shortcut: shortcuts[subSubMenu10[3]],
                 ),
               ],
             ),
           ],
         ),
         PlatformMenuItem(
           label: subMenu1[2],
           onSelected: onSelected != null ? () => onSelected(subMenu1[2]) : null,
           onSelectedIntent: onSelectedIntent,
           shortcut: shortcuts[subMenu1[2]],
         ),
       ],
     ),
     PlatformMenu(
       label: mainMenu[2],
       onOpen: onOpen != null ? () => onOpen(mainMenu[2]) : null,
       onClose: onClose != null ? () => onClose(mainMenu[2]) : null,
       menus: <PlatformMenuItem>[
         PlatformMenuItem(
           // Always disabled.
           label: subMenu2[0],
           shortcut: shortcuts[subMenu2[0]],
         ),
       ],
     ),
     // Disabled menu
     PlatformMenu(
       label: mainMenu[3],
       onOpen: onOpen != null ? () => onOpen(mainMenu[2]) : null,
       onClose: onClose != null ? () => onClose(mainMenu[2]) : null,
       menus: <PlatformMenuItem>[],
     ),
   ];
   return result;
 }

 const Map<String, Object?> expectedStructure = <String, Object?>{
   '0': <Map<String, Object?>>[
     <String, Object?>{
       'id': 2,
       'label': 'Menu 0',
       'enabled': true,
       'children': <Map<String, Object?>>[
         <String, Object?>{
           'id': 1,
           'label': 'Sub Menu 00',
           'enabled': true,
         },
       ],
     },
     <String, Object?>{
       'id': 18,
       'label': 'Menu 1',
       'enabled': true,
       'children': <Map<String, Object?>>[
         <String, Object?>{
           'id': 4,
           'label': 'Sub Menu 10',
           'enabled': true,
         },
         <String, Object?>{'id': 5, 'isDivider': true},
         <String, Object?>{
           'id': 16,
           'label': 'Sub Menu 11',
           'enabled': true,
           'children': <Map<String, Object?>>[
             <String, Object?>{
               'id': 7,
               'label': 'Sub Sub Menu 110',
               'enabled': true,
               'shortcutTrigger': 97,
               'shortcutModifiers': 8,
             },
             <String, Object?>{'id': 8, 'isDivider': true},
             <String, Object?>{
               'id': 10,
               'label': 'Sub Sub Menu 111',
               'enabled': true,
               'shortcutTrigger': 98,
               'shortcutModifiers': 2,
             },
             <String, Object?>{'id': 11, 'isDivider': true},
             <String, Object?>{
               'id': 12,
               'label': 'Sub Sub Menu 112',
               'enabled': true,
               'shortcutTrigger': 99,
               'shortcutModifiers': 4,
             },
             <String, Object?>{'id': 13, 'isDivider': true},
             <String, Object?>{
               'id': 14,
               'label': 'Sub Sub Menu 113',
               'enabled': true,
               'shortcutTrigger': 100,
               'shortcutModifiers': 1,
             },
           ],
         },
         <String, Object?>{
           'id': 17,
           'label': 'Sub Menu 12',
           'enabled': true,
         },
       ],
     },
     <String, Object?>{
       'id': 20,
       'label': 'Menu 2',
       'enabled': true,
       'children': <Map<String, Object?>>[
         <String, Object?>{
           'id': 19,
           'label': 'Sub Menu 20',
           'enabled': false,
         },
       ],
     },
     <String, Object?>{'id': 21, 'label': 'Menu 3', 'enabled': false, 'children': <Map<String, Object?>>[]},
   ],
 };

 class FakeMenuChannel implements MethodChannel {
   FakeMenuChannel(this.outgoing);

   Future<dynamic> Function(MethodCall) outgoing;
   Future<void> Function(MethodCall)? incoming;

   List<MethodCall> outgoingCalls = <MethodCall>[];

   @override
   BinaryMessenger get binaryMessenger => throw UnimplementedError();

   @override
   MethodCodec get codec => const StandardMethodCodec();

   @override
   Future<List<T>> invokeListMethod<T>(String method, [dynamic arguments]) => throw UnimplementedError();

   @override
   Future<Map<K, V>> invokeMapMethod<K, V>(String method, [dynamic arguments]) => throw UnimplementedError();

   @override
   Future<T> invokeMethod<T>(String method, [dynamic arguments]) async {
     final MethodCall call = MethodCall(method, arguments);
     outgoingCalls.add(call);
     return await outgoing(call) as T;
   }

   @override
   String get name => 'flutter/menu';

   @override
   void setMethodCallHandler(Future<void> Function(MethodCall call)? handler) => incoming = handler;
 }
	// Copyright 2014 The Flutter 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/foundation.dart';
	import 'package:flutter/material.dart';
	import 'package:flutter/rendering.dart';
	import 'package:flutter/services.dart';
	import 'package:flutter/src/foundation/diagnostics.dart';
	import 'package:flutter_test/flutter_test.dart';

	void main() {
	TestWidgetsFlutterBinding.ensureInitialized();

	late FakeMenuChannel fakeMenuChannel;
	late PlatformMenuDelegate originalDelegate;
	late DefaultPlatformMenuDelegate delegate;
	final List<String> selected = <String>[];
	final List<String> opened = <String>[];
	final List<String> closed = <String>[];

	void onSelected(String item) {
	selected.add(item);
	}

	void onOpen(String item) {
	opened.add(item);
	}

	void onClose(String item) {
	closed.add(item);
	}

	setUp(() {
	fakeMenuChannel = FakeMenuChannel((MethodCall call) async {});
	delegate = DefaultPlatformMenuDelegate(channel: fakeMenuChannel);
	originalDelegate = WidgetsBinding.instance.platformMenuDelegate;
	WidgetsBinding.instance.platformMenuDelegate = delegate;
	selected.clear();
	opened.clear();
	closed.clear();
	});

	tearDown(() {
	WidgetsBinding.instance.platformMenuDelegate = originalDelegate;
	});

	group('PlatformMenuBar', () {
	group('basic menu structure is transmitted to platform', () {
	testWidgets('using onSelected', (WidgetTester tester) async {
	await tester.pumpWidget(
	MaterialApp(
	home: Material(
	child: PlatformMenuBar(
	menus: createTestMenus(
	onSelected: onSelected,
	onOpen: onOpen,
	onClose: onClose,
	shortcuts: <String, MenuSerializableShortcut>{
	subSubMenu10[0]: const SingleActivator(LogicalKeyboardKey.keyA, control: true),
	subSubMenu10[1]: const SingleActivator(LogicalKeyboardKey.keyB, shift: true),
	subSubMenu10[2]: const SingleActivator(LogicalKeyboardKey.keyC, alt: true),
	subSubMenu10[3]: const SingleActivator(LogicalKeyboardKey.keyD, meta: true),
	},
	),
	child: const Center(child: Text('Body')),
	),
	),
	),
	);

	expect(
	fakeMenuChannel.outgoingCalls.last.method,
	equals('Menu.setMenus'),
	);
	expect(
	fakeMenuChannel.outgoingCalls.last.arguments,
	equals(expectedStructure),
	);
	});
	testWidgets('using onSelectedIntent', (WidgetTester tester) async {
	await tester.pumpWidget(
	MaterialApp(
	home: Material(
	child: PlatformMenuBar(
	menus: createTestMenus(
	onSelectedIntent: const DoNothingIntent(),
	onOpen: onOpen,
	onClose: onClose,
	shortcuts: <String, MenuSerializableShortcut>{
	subSubMenu10[0]: const SingleActivator(LogicalKeyboardKey.keyA, control: true),
	subSubMenu10[1]: const SingleActivator(LogicalKeyboardKey.keyB, shift: true),
	subSubMenu10[2]: const SingleActivator(LogicalKeyboardKey.keyC, alt: true),
	subSubMenu10[3]: const SingleActivator(LogicalKeyboardKey.keyD, meta: true),
	},
	),
	child: const Center(child: Text('Body')),
	),
	),
	),
	);

	expect(
	fakeMenuChannel.outgoingCalls.last.method,
	equals('Menu.setMenus'),
	);
	expect(
	fakeMenuChannel.outgoingCalls.last.arguments,
	equals(expectedStructure),
	);
	});
	});
	testWidgets('asserts when more than one has locked the delegate', (WidgetTester tester) async {
	await tester.pumpWidget(
	const MaterialApp(
	home: Material(
	child: PlatformMenuBar(
	menus: <PlatformMenuItem>[],
	child: PlatformMenuBar(
	menus: <PlatformMenuItem>[],
	child: SizedBox(),
	),
	),
	),
	),
	);
	expect(tester.takeException(), isA<AssertionError>());
	});
	testWidgets('diagnostics', (WidgetTester tester) async {
	const PlatformMenuItem item = PlatformMenuItem(
	label: 'label2',
	shortcut: SingleActivator(LogicalKeyboardKey.keyA),
	);
	const PlatformMenuBar menuBar = PlatformMenuBar(
	menus: <PlatformMenuItem>[item],
	child: SizedBox(),
	);

	await tester.pumpWidget(
	const MaterialApp(
	home: Material(
	child: menuBar,
	),
	),
	);
	await tester.pump();

	expect(
	menuBar.toStringDeep(),
	equalsIgnoringHashCodes(
	'PlatformMenuBar#00000\n'
	' └─PlatformMenuItem#00000(label2)\n'
	' label: "label2"\n'
	' shortcut: SingleActivator#00000(keys: Key A)\n'
	' DISABLED\n',
	),
	);
	});
	});
	group('MenuBarItem', () {
	testWidgets('diagnostics', (WidgetTester tester) async {
	const PlatformMenuItem childItem = PlatformMenuItem(
	label: 'label',
	);
	const PlatformMenu item = PlatformMenu(
	label: 'label',
	menus: <PlatformMenuItem>[childItem],
	);

	final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
	item.debugFillProperties(builder);

	final List<String> description = builder.properties
	.where((DiagnosticsNode node) => !node.isFiltered(DiagnosticLevel.info))
	.map((DiagnosticsNode node) => node.toString())
	.toList();

	expect(description, <String>[
	'label: "label"',
	]);
	});
	});

	group('ShortcutSerialization', () {
	testWidgets('character constructor', (WidgetTester tester) async {
	final ShortcutSerialization serialization = ShortcutSerialization.character('?');
	expect(serialization.toChannelRepresentation(), equals(<String, Object?>{
	'shortcutCharacter': '?',
	'shortcutModifiers': 0,
	}));
	final ShortcutSerialization serializationWithModifiers = ShortcutSerialization.character('?', alt: true, control: true, meta: true);
	expect(serializationWithModifiers.toChannelRepresentation(), equals(<String, Object?>{
	'shortcutCharacter': '?',
	'shortcutModifiers': 13,
	}));
	});

	testWidgets('modifier constructor', (WidgetTester tester) async {
	final ShortcutSerialization serialization = ShortcutSerialization.modifier(LogicalKeyboardKey.home);
	expect(serialization.toChannelRepresentation(), equals(<String, Object?>{
	'shortcutTrigger': LogicalKeyboardKey.home.keyId,
	'shortcutModifiers': 0,
	}));
	final ShortcutSerialization serializationWithModifiers = ShortcutSerialization.modifier(LogicalKeyboardKey.home, alt: true, control: true, meta: true, shift: true);
	expect(serializationWithModifiers.toChannelRepresentation(), equals(<String, Object?>{
	'shortcutTrigger': LogicalKeyboardKey.home.keyId,
	'shortcutModifiers': 15,
	}));
	});
	});
	}

	const List<String> mainMenu = <String>[
	'Menu 0',
	'Menu 1',
	'Menu 2',
	'Menu 3',
	];

	const List<String> subMenu0 = <String>[
	'Sub Menu 00',
	];

	const List<String> subMenu1 = <String>[
	'Sub Menu 10',
	'Sub Menu 11',
	'Sub Menu 12',
	];

	const List<String> subSubMenu10 = <String>[
	'Sub Sub Menu 110',
	'Sub Sub Menu 111',
	'Sub Sub Menu 112',
	'Sub Sub Menu 113',
	];

	const List<String> subMenu2 = <String>[
	'Sub Menu 20',
	];

	List<PlatformMenuItem> createTestMenus({
	void Function(String)? onSelected,
	Intent? onSelectedIntent,
	void Function(String)? onOpen,
	void Function(String)? onClose,
	Map<String, MenuSerializableShortcut> shortcuts = const <String, MenuSerializableShortcut>{},
	bool includeStandard = false,
	}) {
	final List<PlatformMenuItem> result = <PlatformMenuItem>[
	PlatformMenu(
	label: mainMenu[0],
	onOpen: onOpen != null ? () => onOpen(mainMenu[0]) : null,
	onClose: onClose != null ? () => onClose(mainMenu[0]) : null,
	menus: <PlatformMenuItem>[
	PlatformMenuItem(
	label: subMenu0[0],
	onSelected: onSelected != null ? () => onSelected(subMenu0[0]) : null,
	onSelectedIntent: onSelectedIntent,
	shortcut: shortcuts[subMenu0[0]],
	),
	],
	),
	PlatformMenu(
	label: mainMenu[1],
	onOpen: onOpen != null ? () => onOpen(mainMenu[1]) : null,
	onClose: onClose != null ? () => onClose(mainMenu[1]) : null,
	menus: <PlatformMenuItem>[
	PlatformMenuItemGroup(
	members: <PlatformMenuItem>[
	PlatformMenuItem(
	label: subMenu1[0],
	onSelected: onSelected != null ? () => onSelected(subMenu0[0]) : null,
	onSelectedIntent: onSelectedIntent,
	shortcut: shortcuts[subMenu1[0]],
	),
	],
	),
	PlatformMenu(
	label: subMenu1[1],
	onOpen: onOpen != null ? () => onOpen(subMenu1[1]) : null,
	onClose: onClose != null ? () => onClose(subMenu1[1]) : null,
	menus: <PlatformMenuItem>[
	PlatformMenuItemGroup(
	members: <PlatformMenuItem>[
	PlatformMenuItem(
	label: subSubMenu10[0],
	onSelected: onSelected != null ? () => onSelected(subSubMenu10[0]) : null,
	onSelectedIntent: onSelectedIntent,
	shortcut: shortcuts[subSubMenu10[0]],
	),
	],
	),
	PlatformMenuItemGroup(
	members: <PlatformMenuItem>[
	PlatformMenuItem(
	label: subSubMenu10[1],
	onSelected: onSelected != null ? () => onSelected(subSubMenu10[1]) : null,
	onSelectedIntent: onSelectedIntent,
	shortcut: shortcuts[subSubMenu10[1]],
	),
	],
	),
	PlatformMenuItem(
	label: subSubMenu10[2],
	onSelected: onSelected != null ? () => onSelected(subSubMenu10[2]) : null,
	onSelectedIntent: onSelectedIntent,
	shortcut: shortcuts[subSubMenu10[2]],
	),
	PlatformMenuItemGroup(
	members: <PlatformMenuItem>[
	PlatformMenuItem(
	label: subSubMenu10[3],
	onSelected: onSelected != null ? () => onSelected(subSubMenu10[3]) : null,
	onSelectedIntent: onSelectedIntent,
	shortcut: shortcuts[subSubMenu10[3]],
	),
	],
	),
	],
	),
	PlatformMenuItem(
	label: subMenu1[2],
	onSelected: onSelected != null ? () => onSelected(subMenu1[2]) : null,
	onSelectedIntent: onSelectedIntent,
	shortcut: shortcuts[subMenu1[2]],
	),
	],
	),
	PlatformMenu(
	label: mainMenu[2],
	onOpen: onOpen != null ? () => onOpen(mainMenu[2]) : null,
	onClose: onClose != null ? () => onClose(mainMenu[2]) : null,
	menus: <PlatformMenuItem>[
	PlatformMenuItem(
	// Always disabled.
	label: subMenu2[0],
	shortcut: shortcuts[subMenu2[0]],
	),
	],
	),
	// Disabled menu
	PlatformMenu(
	label: mainMenu[3],
	onOpen: onOpen != null ? () => onOpen(mainMenu[2]) : null,
	onClose: onClose != null ? () => onClose(mainMenu[2]) : null,
	menus: <PlatformMenuItem>[],
	),
	];
	return result;
	}

	const Map<String, Object?> expectedStructure = <String, Object?>{
	'0': <Map<String, Object?>>[
	<String, Object?>{
	'id': 2,
	'label': 'Menu 0',
	'enabled': true,
	'children': <Map<String, Object?>>[
	<String, Object?>{
	'id': 1,
	'label': 'Sub Menu 00',
	'enabled': true,
	},
	],
	},
	<String, Object?>{
	'id': 18,
	'label': 'Menu 1',
	'enabled': true,
	'children': <Map<String, Object?>>[
	<String, Object?>{
	'id': 4,
	'label': 'Sub Menu 10',
	'enabled': true,
	},
	<String, Object?>{'id': 5, 'isDivider': true},
	<String, Object?>{
	'id': 16,
	'label': 'Sub Menu 11',
	'enabled': true,
	'children': <Map<String, Object?>>[
	<String, Object?>{
	'id': 7,
	'label': 'Sub Sub Menu 110',
	'enabled': true,
	'shortcutTrigger': 97,
	'shortcutModifiers': 8,
	},
	<String, Object?>{'id': 8, 'isDivider': true},
	<String, Object?>{
	'id': 10,
	'label': 'Sub Sub Menu 111',
	'enabled': true,
	'shortcutTrigger': 98,
	'shortcutModifiers': 2,
	},
	<String, Object?>{'id': 11, 'isDivider': true},
	<String, Object?>{
	'id': 12,
	'label': 'Sub Sub Menu 112',
	'enabled': true,
	'shortcutTrigger': 99,
	'shortcutModifiers': 4,
	},
	<String, Object?>{'id': 13, 'isDivider': true},
	<String, Object?>{
	'id': 14,
	'label': 'Sub Sub Menu 113',
	'enabled': true,
	'shortcutTrigger': 100,
	'shortcutModifiers': 1,
	},
	],
	},
	<String, Object?>{
	'id': 17,
	'label': 'Sub Menu 12',
	'enabled': true,
	},
	],
	},
	<String, Object?>{
	'id': 20,
	'label': 'Menu 2',
	'enabled': true,
	'children': <Map<String, Object?>>[
	<String, Object?>{
	'id': 19,
	'label': 'Sub Menu 20',
	'enabled': false,
	},
	],
	},
	<String, Object?>{'id': 21, 'label': 'Menu 3', 'enabled': false, 'children': <Map<String, Object?>>[]},
	],
	};

	class FakeMenuChannel implements MethodChannel {
	FakeMenuChannel(this.outgoing);

	Future<dynamic> Function(MethodCall) outgoing;
	Future<void> Function(MethodCall)? incoming;

	List<MethodCall> outgoingCalls = <MethodCall>[];

	@override
	BinaryMessenger get binaryMessenger => throw UnimplementedError();

	@override
	MethodCodec get codec => const StandardMethodCodec();

	@override
	Future<List<T>> invokeListMethod<T>(String method, [dynamic arguments]) => throw UnimplementedError();

	@override
	Future<Map<K, V>> invokeMapMethod<K, V>(String method, [dynamic arguments]) => throw UnimplementedError();

	@override
	Future<T> invokeMethod<T>(String method, [dynamic arguments]) async {
	final MethodCall call = MethodCall(method, arguments);
	outgoingCalls.add(call);
	return await outgoing(call) as T;
	}

	@override
	String get name => 'flutter/menu';

	@override
	void setMethodCallHandler(Future<void> Function(MethodCall call)? handler) => incoming = handler;
	}