Cover more test/widgets tests with leak tracking #6 (#134884)

packages/flutter/test/widgets/notification_test.dart

@@ -4,15 +4,16 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class MyNotification extends Notification { }
 
 void main() {
-  testWidgets('Notification basics - toString', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Notification basics - toString', (WidgetTester tester) async {
     expect(MyNotification(), hasOneLineDescription);
   });
 
-  testWidgets('Notification basics - dispatch', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Notification basics - dispatch', (WidgetTester tester) async {
     final List<dynamic> log = <dynamic>[];
     final GlobalKey key = GlobalKey();
     await tester.pumpWidget(NotificationListener<MyNotification>(
@@ -36,7 +37,7 @@ void main() {
     expect(log, <dynamic>['b', notification, 'a', notification]);
   });
 
-  testWidgets('Notification basics - cancel', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Notification basics - cancel', (WidgetTester tester) async {
     final List<dynamic> log = <dynamic>[];
     final GlobalKey key = GlobalKey();
     await tester.pumpWidget(NotificationListener<MyNotification>(
@@ -60,7 +61,7 @@ void main() {
     expect(log, <dynamic>['b', notification]);
   });
 
-  testWidgets('Notification basics - listener null return value', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Notification basics - listener null return value', (WidgetTester tester) async {
     final List<Type> log = <Type>[];
     final GlobalKey key = GlobalKey();
     await tester.pumpWidget(NotificationListener<MyNotification>(
@@ -77,7 +78,7 @@ void main() {
     expect(log, <Type>[MyNotification]);
   });
 
-  testWidgets('Notification basics - listener null return value', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Notification basics - listener null return value', (WidgetTester tester) async {
     await tester.pumpWidget(const Placeholder());
     final ScrollMetricsNotification n1 = ScrollMetricsNotification(
       metrics: FixedScrollMetrics(

packages/flutter/test/widgets/obscured_animated_image_test.dart

@@ -8,6 +8,7 @@ import 'dart:ui' as ui show Image;
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import '../image_data.dart';
 import '../painting/fake_codec.dart';
@@ -17,7 +18,7 @@ Future<void> main() async {
   final FakeCodec fakeCodec = await FakeCodec.fromData(Uint8List.fromList(kAnimatedGif));
   final FakeImageProvider fakeImageProvider = FakeImageProvider(fakeCodec);
 
-  testWidgets('Obscured image does not animate', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Obscured image does not animate', (WidgetTester tester) async {
     final GlobalKey imageKey = GlobalKey();
     await tester.pumpWidget(
       MaterialApp(

packages/flutter/test/widgets/opacity_repaint_test.dart

@@ -5,9 +5,10 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('RenderOpacity avoids repainting and does not drop layer at fully opaque', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('RenderOpacity avoids repainting and does not drop layer at fully opaque', (WidgetTester tester) async {
     RenderTestObject.paintCount = 0;
     await tester.pumpWidget(
       const ColoredBox(
@@ -46,7 +47,7 @@ void main() {
     expect(RenderTestObject.paintCount, 1);
   });
 
-  testWidgets('RenderOpacity allows opacity layer to be dropped at 0 opacity', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('RenderOpacity allows opacity layer to be dropped at 0 opacity', (WidgetTester tester) async {
     RenderTestObject.paintCount = 0;
 
     await tester.pumpWidget(

packages/flutter/test/widgets/opacity_test.dart

@@ -7,14 +7,17 @@
 @Tags(<String>['reduced-test-set'])
 library;
 
+import 'dart:ui' as ui;
+
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import 'semantics_tester.dart';
 
 void main() {
-  testWidgets('Opacity', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Opacity', (WidgetTester tester) async {
     final SemanticsTester semantics = SemanticsTester(tester);
 
     // Opacity 1.0: Semantics and painting
@@ -151,7 +154,7 @@ void main() {
     semantics.dispose();
   });
 
-  testWidgets('offset is correctly handled in Opacity', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('offset is correctly handled in Opacity', (WidgetTester tester) async {
     await tester.pumpWidget(
       MaterialApp(
         theme: ThemeData(useMaterial3: false),
@@ -184,7 +187,7 @@ void main() {
     );
   });
 
-  testWidgets('empty opacity does not crash', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('empty opacity does not crash', (WidgetTester tester) async {
     await tester.pumpWidget(
       RepaintBoundary(child: Opacity(opacity: 0.5, child: Container())),
     );
@@ -192,10 +195,11 @@ void main() {
     // The following line will send the layer to engine and cause crash if an
     // empty opacity layer is sent.
     final OffsetLayer offsetLayer = element.renderObject!.debugLayer! as OffsetLayer;
-    await offsetLayer.toImage(const Rect.fromLTRB(0.0, 0.0, 1.0, 1.0));
+    final ui.Image image = await offsetLayer.toImage(const Rect.fromLTRB(0.0, 0.0, 1.0, 1.0));
+    image.dispose();
   }, skip: isBrowser); // https://github.com/flutter/flutter/issues/49857
 
-  testWidgets('Child shows up in the right spot when opacity is disabled', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Child shows up in the right spot when opacity is disabled', (WidgetTester tester) async {
     debugDisableOpacityLayers = true;
     final GlobalKey key = GlobalKey();
     await tester.pumpWidget(

packages/flutter/test/widgets/overflow_bar_test.dart

@@ -4,9 +4,10 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('OverflowBar documented defaults', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('OverflowBar documented defaults', (WidgetTester tester) async {
     const OverflowBar bar = OverflowBar();
     expect(bar.spacing, 0);
     expect(bar.alignment, null);
@@ -17,7 +18,7 @@ void main() {
     expect(bar.children, const <Widget>[]);
   });
 
-  testWidgets('Empty OverflowBar', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Empty OverflowBar', (WidgetTester tester) async {
     const Size size = Size(16, 24);
 
     await tester.pumpWidget(
@@ -46,7 +47,7 @@ void main() {
     expect(tester.getSize(find.byType(OverflowBar)), Size.zero);
   });
 
-  testWidgets('OverflowBar horizontal layout', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('OverflowBar horizontal layout', (WidgetTester tester) async {
     final Key child1Key = UniqueKey();
     final Key child2Key = UniqueKey();
     final Key child3Key = UniqueKey();
@@ -93,7 +94,7 @@ void main() {
     expect(tester.getRect(find.byKey(child1Key)), const Rect.fromLTRB(10.0 + 96 + 10.0, 8, 10.0 + 10.0 + 144, 56));
   });
 
-  testWidgets('OverflowBar vertical layout', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('OverflowBar vertical layout', (WidgetTester tester) async {
     final Key child1Key = UniqueKey();
     final Key child2Key = UniqueKey();
     final Key child3Key = UniqueKey();
@@ -174,7 +175,7 @@ void main() {
     expect(tester.getRect(find.byKey(child3Key)), const Rect.fromLTRB(100.0/2.0 - 32/2, 112, 100.0/2.0 + 32/2, 144));
   });
 
-  testWidgets('OverflowBar intrinsic width', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('OverflowBar intrinsic width', (WidgetTester tester) async {
     Widget buildFrame({ required double width }) {
       return Directionality(
         textDirection: TextDirection.ltr,
@@ -205,7 +206,7 @@ void main() {
     expect(tester.getSize(find.byType(OverflowBar)).width, 150);
   });
 
-  testWidgets('OverflowBar intrinsic height', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('OverflowBar intrinsic height', (WidgetTester tester) async {
     Widget buildFrame({ required double maxWidth }) {
       return Directionality(
         textDirection: TextDirection.ltr,
@@ -237,7 +238,7 @@ void main() {
   });
 
 
-  testWidgets('OverflowBar is wider that its intrinsic width', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('OverflowBar is wider that its intrinsic width', (WidgetTester tester) async {
     final Key key0 = UniqueKey();
     final Key key1 = UniqueKey();
     final Key key2 = UniqueKey();
@@ -273,7 +274,7 @@ void main() {
     expect(tester.getTopLeft(find.byKey(key2)).dx, 600);
   });
 
-  testWidgets('OverflowBar with alignment should match Row with mainAxisAlignment', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('OverflowBar with alignment should match Row with mainAxisAlignment', (WidgetTester tester) async {
     final Key key0 = UniqueKey();
     final Key key1 = UniqueKey();
     final Key key2 = UniqueKey();

packages/flutter/test/widgets/overflow_box_test.dart

@@ -5,9 +5,10 @@
 import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('OverflowBox control test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('OverflowBox control test', (WidgetTester tester) async {
     final GlobalKey inner = GlobalKey();
     await tester.pumpWidget(Align(
       alignment: Alignment.bottomRight,
@@ -30,7 +31,7 @@ void main() {
     expect(box.size, equals(const Size(100.0, 50.0)));
   });
 
-  testWidgets('OverflowBox implements debugFillProperties', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('OverflowBox implements debugFillProperties', (WidgetTester tester) async {
     final DiagnosticPropertiesBuilder builder = DiagnosticPropertiesBuilder();
     const OverflowBox(
       minWidth: 1.0,
@@ -50,7 +51,7 @@ void main() {
     ]);
   });
 
-  testWidgets('SizedOverflowBox alignment', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('SizedOverflowBox alignment', (WidgetTester tester) async {
     final GlobalKey inner = GlobalKey();
     await tester.pumpWidget(Directionality(
       textDirection: TextDirection.rtl,
@@ -73,7 +74,7 @@ void main() {
     );
   });
 
-  testWidgets('SizedOverflowBox alignment (direction-sensitive)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('SizedOverflowBox alignment (direction-sensitive)', (WidgetTester tester) async {
     final GlobalKey inner = GlobalKey();
     await tester.pumpWidget(Directionality(
       textDirection: TextDirection.rtl,

packages/flutter/test/widgets/overscroll_indicator_test.dart

@@ -6,6 +6,7 @@ import 'dart:math' as math;
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 final Matcher doesNotOverscroll = isNot(paints..circle());
 
@@ -19,7 +20,7 @@ Future<void> slowDrag(WidgetTester tester, Offset start, Offset offset) async {
 }
 
 void main() {
-  testWidgets('Overscroll indicator color', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Overscroll indicator color', (WidgetTester tester) async {
     await tester.pumpWidget(
       const Directionality(
         textDirection: TextDirection.ltr,
@@ -55,7 +56,7 @@ void main() {
     expect(painter, doesNotOverscroll);
   });
 
-  testWidgets('Nested scrollable', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Nested scrollable', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -86,7 +87,7 @@ void main() {
     expect(innerPainter, paints..circle());
   });
 
-  testWidgets('Overscroll indicator changes side when you drag on the other side', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Overscroll indicator changes side when you drag on the other side', (WidgetTester tester) async {
     await tester.pumpWidget(
       const Directionality(
         textDirection: TextDirection.ltr,
@@ -128,7 +129,7 @@ void main() {
     expect(painter, doesNotOverscroll);
   });
 
-  testWidgets('Overscroll indicator changes side when you shift sides', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Overscroll indicator changes side when you shift sides', (WidgetTester tester) async {
     await tester.pumpWidget(
       const Directionality(
         textDirection: TextDirection.ltr,
@@ -166,7 +167,7 @@ void main() {
   });
 
   group("Flipping direction of scrollable doesn't change overscroll behavior", () {
-    testWidgets('down', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('down', (WidgetTester tester) async {
       await tester.pumpWidget(
         const Directionality(
           textDirection: TextDirection.ltr,
@@ -186,7 +187,7 @@ void main() {
       expect(painter, doesNotOverscroll);
     });
 
-    testWidgets('up', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('up', (WidgetTester tester) async {
       await tester.pumpWidget(
         const Directionality(
           textDirection: TextDirection.ltr,
@@ -208,7 +209,7 @@ void main() {
     });
   });
 
-  testWidgets('Overscroll in both directions', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Overscroll in both directions', (WidgetTester tester) async {
     await tester.pumpWidget(
       const Directionality(
         textDirection: TextDirection.ltr,
@@ -231,7 +232,7 @@ void main() {
     expect(painter, doesNotOverscroll);
   });
 
-  testWidgets('Overscroll ignored from alternate axis', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Overscroll ignored from alternate axis', (WidgetTester tester) async {
     await tester.pumpWidget(
       const Directionality(
         textDirection: TextDirection.ltr,
@@ -260,7 +261,7 @@ void main() {
     expect(painter, doesNotOverscroll);
   });
 
-  testWidgets('Overscroll horizontally', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Overscroll horizontally', (WidgetTester tester) async {
     await tester.pumpWidget(
       const Directionality(
         textDirection: TextDirection.ltr,
@@ -291,7 +292,7 @@ void main() {
     expect(painter, doesNotOverscroll);
   });
 
-  testWidgets('Nested overscrolls do not throw exceptions', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Nested overscrolls do not throw exceptions', (WidgetTester tester) async {
     await tester.pumpWidget(Directionality(
       textDirection: TextDirection.ltr,
       child: PageView(
@@ -313,7 +314,7 @@ void main() {
     await tester.pumpAndSettle();
   });
 
-  testWidgets('Changing settings', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Changing settings', (WidgetTester tester) async {
     RenderObject painter;
 
     await tester.pumpWidget(
@@ -359,7 +360,7 @@ void main() {
     expect(painter, isNot(paints..circle()..circle()));
   });
 
-  testWidgets('CustomScrollView overscroll indicator works if there is sliver before center', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('CustomScrollView overscroll indicator works if there is sliver before center', (WidgetTester tester) async {
     final Key centerKey = UniqueKey();
     await tester.pumpWidget(
       Directionality(
@@ -398,7 +399,7 @@ void main() {
     expect(painter, paints..save()..translate(y: 0.0)..scale()..circle());
   });
 
-  testWidgets('CustomScrollView overscroll indicator works well with [CustomScrollView.center] and [OverscrollIndicatorNotification.paintOffset]', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('CustomScrollView overscroll indicator works well with [CustomScrollView.center] and [OverscrollIndicatorNotification.paintOffset]', (WidgetTester tester) async {
     final Key centerKey = UniqueKey();
     await tester.pumpWidget(
       Directionality(
@@ -445,7 +446,7 @@ void main() {
     expect(painter, paints..save()..translate(y: 50.0)..scale()..circle());
   });
 
-  testWidgets('The OverscrollIndicator should not overflow the scrollable view edge', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('The OverscrollIndicator should not overflow the scrollable view edge', (WidgetTester tester) async {
     // Regressing test for https://github.com/flutter/flutter/issues/64149
     await tester.pumpWidget(
       Directionality(
@@ -508,7 +509,7 @@ void main() {
   });
 
   group('[OverscrollIndicatorNotification.paintOffset] test', () {
-    testWidgets('Leading', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Leading', (WidgetTester tester) async {
       await tester.pumpWidget(
         Directionality(
           textDirection: TextDirection.ltr,
@@ -538,7 +539,7 @@ void main() {
       expect(painter, paints..save()..translate(y: 50.0 - 30.0)..scale()..circle());
     });
 
-    testWidgets('Trailing', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('Trailing', (WidgetTester tester) async {
       await tester.pumpWidget(
         Directionality(
           textDirection: TextDirection.ltr,

packages/flutter/test/widgets/page_forward_transitions_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class TestTransition extends AnimatedWidget {
   const TestTransition({
@@ -57,7 +58,7 @@ void main() {
   const Duration kTwoTenthsOfTheTransitionDuration = Duration(milliseconds: 30);
   const Duration kFourTenthsOfTheTransitionDuration = Duration(milliseconds: 60);
 
-  testWidgets('Check onstage/offstage handling around transitions', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Check onstage/offstage handling around transitions', (WidgetTester tester) async {
 
     final GlobalKey insideKey = GlobalKey();
 
@@ -196,7 +197,7 @@ void main() {
 
   });
 
-  testWidgets('Check onstage/offstage handling of barriers around transitions', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Check onstage/offstage handling of barriers around transitions', (WidgetTester tester) async {
     await tester.pumpWidget(
       MaterialApp(
         onGenerateRoute: (RouteSettings settings) {

packages/flutter/test/widgets/page_route_builder_test.dart

@@ -9,6 +9,7 @@ library;
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class TestPage extends StatelessWidget {
   const TestPage({ super.key, this.useMaterial3 });
@@ -93,7 +94,7 @@ class ModalPage extends StatelessWidget {
 }
 
 void main() {
-  testWidgets('Material2 - Barriers show when using PageRouteBuilder', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Material2 - Barriers show when using PageRouteBuilder', (WidgetTester tester) async {
     await tester.pumpWidget(const TestPage(useMaterial3: false));
     await tester.tap(find.byType(FloatingActionButton));
     await tester.pumpAndSettle();
@@ -103,7 +104,7 @@ void main() {
     );
   });
 
-  testWidgets('Material3 - Barriers show when using PageRouteBuilder', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Material3 - Barriers show when using PageRouteBuilder', (WidgetTester tester) async {
     await tester.pumpWidget(const TestPage(useMaterial3: true));
     await tester.tap(find.byType(FloatingActionButton));
     await tester.pumpAndSettle();

packages/flutter/test/widgets/page_storage_test.dart

@@ -4,9 +4,10 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('PageStorage read and write', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('PageStorage read and write', (WidgetTester tester) async {
     const Key builderKey = PageStorageKey<String>('builderKey');
     late StateSetter setState;
     int storedValue = 0;
@@ -37,7 +38,7 @@ void main() {
     expect(PageStorage.of(builderElement).readState(builderElement), equals(storedValue));
   });
 
-  testWidgets('PageStorage read and write by identifier', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('PageStorage read and write by identifier', (WidgetTester tester) async {
     late StateSetter setState;
     int storedValue = 0;
 

packages/flutter/test/widgets/page_transitions_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 class TestOverlayRoute extends OverlayRoute<void> {
   TestOverlayRoute({ super.settings });
@@ -47,7 +48,7 @@ class PersistentBottomSheetTestState extends State<PersistentBottomSheetTest> {
 }
 
 void main() {
-  testWidgets('Check onstage/offstage handling around transitions', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Check onstage/offstage handling around transitions', (WidgetTester tester) async {
     final GlobalKey containerKey1 = GlobalKey();
     final GlobalKey containerKey2 = GlobalKey();
     final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
@@ -129,7 +130,7 @@ void main() {
     expect(Navigator.canPop(containerKey1.currentContext!), isFalse);
   });
 
-  testWidgets('Check back gesture disables Heroes', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Check back gesture disables Heroes', (WidgetTester tester) async {
     final GlobalKey containerKey1 = GlobalKey();
     final GlobalKey containerKey2 = GlobalKey();
     const String kHeroTag = 'hero';
@@ -198,7 +199,7 @@ void main() {
     expect(settingsOffset.dy, 100.0);
   }, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS,  TargetPlatform.macOS }));
 
-  testWidgets("Check back gesture doesn't start during transitions", (WidgetTester tester) async {
+  testWidgetsWithLeakTracking("Check back gesture doesn't start during transitions", (WidgetTester tester) async {
     final GlobalKey containerKey1 = GlobalKey();
     final GlobalKey containerKey2 = GlobalKey();
     final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
@@ -242,7 +243,7 @@ void main() {
   }, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS,  TargetPlatform.macOS }));
 
   // Tests bug https://github.com/flutter/flutter/issues/6451
-  testWidgets('Check back gesture with a persistent bottom sheet showing', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Check back gesture with a persistent bottom sheet showing', (WidgetTester tester) async {
     final GlobalKey containerKey1 = GlobalKey();
     final GlobalKey containerKey2 = GlobalKey();
     final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
@@ -295,7 +296,7 @@ void main() {
     expect(sheet.setStateCalled, isFalse);
   }, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS,  TargetPlatform.macOS }));
 
-  testWidgets('Test completed future', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Test completed future', (WidgetTester tester) async {
     final Map<String, WidgetBuilder> routes = <String, WidgetBuilder>{
       '/': (_) => const Center(child: Text('home')),
       '/next': (_) => const Center(child: Text('next')),

packages/flutter/test/widgets/pageable_list_test.dart

@@ -4,6 +4,7 @@
 
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 Size pageSize = const Size(600.0, 300.0);
 const List<int> defaultPages = <int>[0, 1, 2, 3, 4, 5];
@@ -59,7 +60,7 @@ Future<void> pageRight(WidgetTester tester) {
 }
 
 void main() {
-  testWidgets('PageView default control', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('PageView default control', (WidgetTester tester) async {
     await tester.pumpWidget(
       Directionality(
         textDirection: TextDirection.ltr,
@@ -70,7 +71,7 @@ void main() {
     );
   });
 
-  testWidgets('PageView control test (LTR)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('PageView control test (LTR)', (WidgetTester tester) async {
     currentPage = null;
     await tester.pumpWidget(buildFrame(textDirection: TextDirection.ltr));
     expect(currentPage, isNull);
@@ -98,7 +99,7 @@ void main() {
     expect(currentPage, equals(0));
   });
 
-  testWidgets('PageView with reverse (LTR)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('PageView with reverse (LTR)', (WidgetTester tester) async {
     currentPage = null;
     await tester.pumpWidget(buildFrame(reverse: true, textDirection: TextDirection.ltr));
     await pageRight(tester);
@@ -132,7 +133,7 @@ void main() {
     expect(find.text('5'), findsNothing);
   });
 
-  testWidgets('PageView control test (RTL)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('PageView control test (RTL)', (WidgetTester tester) async {
     currentPage = null;
     await tester.pumpWidget(buildFrame(textDirection: TextDirection.rtl));
     await pageRight(tester);
@@ -166,7 +167,7 @@ void main() {
     expect(find.text('5'), findsNothing);
   });
 
-  testWidgets('PageView with reverse (RTL)', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('PageView with reverse (RTL)', (WidgetTester tester) async {
     currentPage = null;
     await tester.pumpWidget(buildFrame(reverse: true, textDirection: TextDirection.rtl));
     expect(currentPage, isNull);

packages/flutter/test/widgets/parent_data_test.dart

@@ -6,6 +6,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 import 'test_widgets.dart';
 
@@ -49,7 +50,7 @@ void checkTree(WidgetTester tester, List<TestParentData> expectedParentData) {
 final TestParentData kNonPositioned = TestParentData();
 
 void main() {
-  testWidgets('ParentDataWidget control test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ParentDataWidget control test', (WidgetTester tester) async {
     await tester.pumpWidget(
       const Stack(
         textDirection: TextDirection.ltr,
@@ -249,7 +250,7 @@ void main() {
     checkTree(tester, <TestParentData>[]);
   });
 
-  testWidgets('ParentDataWidget conflicting data', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ParentDataWidget conflicting data', (WidgetTester tester) async {
     await tester.pumpWidget(
       const Directionality(
         textDirection: TextDirection.ltr,
@@ -331,7 +332,7 @@ void main() {
     checkTree(tester, <TestParentData>[]);
   });
 
-  testWidgets('ParentDataWidget interacts with global keys', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ParentDataWidget interacts with global keys', (WidgetTester tester) async {
     final GlobalKey key = GlobalKey();
 
     await tester.pumpWidget(
@@ -389,7 +390,7 @@ void main() {
     ]);
   });
 
-  testWidgets('Parent data invalid ancestor', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Parent data invalid ancestor', (WidgetTester tester) async {
     await tester.pumpWidget(Directionality(
       textDirection: TextDirection.ltr,
       child: Row(
@@ -424,7 +425,7 @@ void main() {
     );
   });
 
-  testWidgets('ParentDataWidget can be used with different ancestor RenderObjectWidgets', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ParentDataWidget can be used with different ancestor RenderObjectWidgets', (WidgetTester tester) async {
     await tester.pumpWidget(
       OneAncestorWidget(
         child: Container(),

packages/flutter/test/widgets/performance_overlay_test.dart

@@ -5,14 +5,15 @@
 import 'package:flutter/src/rendering/performance_overlay.dart';
 import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('Performance overlay smoke test', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Performance overlay smoke test', (WidgetTester tester) async {
     await tester.pumpWidget(const PerformanceOverlay());
     await tester.pumpWidget(PerformanceOverlay.allEnabled());
   });
 
-  testWidgets('update widget field checkerboardRasterCacheImages',
+  testWidgetsWithLeakTracking('update widget field checkerboardRasterCacheImages',
       (WidgetTester tester) async {
     await tester.pumpWidget(const PerformanceOverlay());
     await tester.pumpWidget(
@@ -25,7 +26,7 @@ void main() {
         true);
   });
 
-  testWidgets('update widget field checkerboardOffscreenLayers',
+  testWidgetsWithLeakTracking('update widget field checkerboardOffscreenLayers',
       (WidgetTester tester) async {
     await tester.pumpWidget(const PerformanceOverlay());
     await tester.pumpWidget(

packages/flutter/test/widgets/physical_model_test.dart

@@ -10,9 +10,10 @@ library;
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('PhysicalModel updates clipBehavior in updateRenderObject', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('PhysicalModel updates clipBehavior in updateRenderObject', (WidgetTester tester) async {
     await tester.pumpWidget(
       const MaterialApp(home: PhysicalModel(color: Colors.red)),
     );
@@ -28,7 +29,7 @@ void main() {
     expect(renderPhysicalModel.clipBehavior, equals(Clip.antiAlias));
   });
 
-  testWidgets('PhysicalShape updates clipBehavior in updateRenderObject', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('PhysicalShape updates clipBehavior in updateRenderObject', (WidgetTester tester) async {
     await tester.pumpWidget(
       const MaterialApp(home: PhysicalShape(color: Colors.red, clipper: ShapeBorderClipper(shape: CircleBorder()))),
     );
@@ -44,7 +45,7 @@ void main() {
     expect(renderPhysicalShape.clipBehavior, equals(Clip.antiAlias));
   });
 
-  testWidgets('PhysicalModel - clips when overflows and elevation is 0', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('PhysicalModel - clips when overflows and elevation is 0', (WidgetTester tester) async {
     const Key key = Key('test');
     await tester.pumpWidget(
       Theme(

packages/flutter/test/widgets/placeholder_test.dart

@@ -4,9 +4,10 @@
 
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
-  testWidgets('Placeholder', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Placeholder', (WidgetTester tester) async {
     await tester.pumpWidget(const Placeholder());
     expect(tester.renderObject<RenderBox>(find.byType(Placeholder)).size, const Size(800.0, 600.0));
     await tester.pumpWidget(const Center(child: Placeholder()));
@@ -19,21 +20,21 @@ void main() {
     expect(tester.renderObject<RenderBox>(find.byType(Placeholder)).size, const Size(200.0, 300.0));
   });
 
-  testWidgets('Placeholder color', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Placeholder color', (WidgetTester tester) async {
     await tester.pumpWidget(const Placeholder());
     expect(tester.renderObject(find.byType(Placeholder)), paints..path(color: const Color(0xFF455A64)));
     await tester.pumpWidget(const Placeholder(color: Color(0xFF00FF00)));
     expect(tester.renderObject(find.byType(Placeholder)), paints..path(color: const Color(0xFF00FF00)));
   });
 
-  testWidgets('Placeholder stroke width', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('Placeholder stroke width', (WidgetTester tester) async {
     await tester.pumpWidget(const Placeholder());
     expect(tester.renderObject(find.byType(Placeholder)), paints..path(strokeWidth: 2.0));
     await tester.pumpWidget(const Placeholder(strokeWidth: 10.0));
     expect(tester.renderObject(find.byType(Placeholder)), paints..path(strokeWidth: 10.0));
   });
 
-   testWidgets('Placeholder child widget', (WidgetTester tester) async {
+   testWidgetsWithLeakTracking('Placeholder child widget', (WidgetTester tester) async {
     await tester.pumpWidget(const Placeholder());
     expect(find.text('Label'), findsNothing);
     await tester.pumpWidget(const MaterialApp(home: Placeholder(child: Text('Label'))));

packages/flutter/test/widgets/platform_menu_bar_test.dart

@@ -8,6 +8,7 @@ import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/src/foundation/diagnostics.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:leak_tracker_flutter_testing/leak_tracker_flutter_testing.dart';
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
@@ -47,7 +48,7 @@ void main() {
 
   group('PlatformMenuBar', () {
     group('basic menu structure is transmitted to platform', () {
-      testWidgets('using onSelected', (WidgetTester tester) async {
+      testWidgetsWithLeakTracking('using onSelected', (WidgetTester tester) async {
         await tester.pumpWidget(
           MaterialApp(
             home: Material(
@@ -78,7 +79,7 @@ void main() {
           equals(expectedStructure),
         );
       });
-      testWidgets('using onSelectedIntent', (WidgetTester tester) async {
+      testWidgetsWithLeakTracking('using onSelectedIntent', (WidgetTester tester) async {
         await tester.pumpWidget(
           MaterialApp(
             home: Material(
@@ -126,7 +127,7 @@ void main() {
       );
       expect(tester.takeException(), isA<AssertionError>());
     });
-    testWidgets('diagnostics', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('diagnostics', (WidgetTester tester) async {
       const PlatformMenuItem item = PlatformMenuItem(
         label: 'label2',
         shortcut: SingleActivator(LogicalKeyboardKey.keyA),
@@ -158,7 +159,7 @@ void main() {
     });
   });
   group('MenuBarItem', () {
-    testWidgets('diagnostics', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('diagnostics', (WidgetTester tester) async {
       const PlatformMenuItem childItem = PlatformMenuItem(
         label: 'label',
       );
@@ -182,7 +183,7 @@ void main() {
   });
 
   group('ShortcutSerialization', () {
-    testWidgets('character constructor', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('character constructor', (WidgetTester tester) async {
       final ShortcutSerialization serialization = ShortcutSerialization.character('?');
       expect(serialization.toChannelRepresentation(), equals(<String, Object?>{
         'shortcutCharacter': '?',
@@ -195,7 +196,7 @@ void main() {
       }));
     });
 
-    testWidgets('modifier constructor', (WidgetTester tester) async {
+    testWidgetsWithLeakTracking('modifier constructor', (WidgetTester tester) async {
       final ShortcutSerialization serialization = ShortcutSerialization.modifier(LogicalKeyboardKey.home);
       expect(serialization.toChannelRepresentation(), equals(<String, Object?>{
         'shortcutTrigger': LogicalKeyboardKey.home.keyId,