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Unverified Commit 9d42ad84 authored by Kostia Sokolovskyi's avatar Kostia Sokolovskyi Committed by GitHub
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Fix memory leak in NestedScrollViewState. (#135248)

parent 5def6f2b
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Showing with 77 additions and 52 deletions
packages/flutter/lib/src/widgets/nested_scroll_view.dart
View file @ 9d42ad84
......@@ -441,6 +441,7 @@ class NestedScrollViewState extends State<NestedScrollView> {
void dispose() {
_coordinator!.dispose();
_coordinator = null;
_absorberHandle.dispose();
super.dispose();
}
......@@ -1620,6 +1621,13 @@ class _NestedOuterBallisticScrollActivity extends BallisticScrollActivity {
/// [SliverOverlapAbsorber] to align its children, and which shows sample
/// usage for this class.
class SliverOverlapAbsorberHandle extends ChangeNotifier {
/// Creates a [SliverOverlapAbsorberHandle].
SliverOverlapAbsorberHandle() {
if (kFlutterMemoryAllocationsEnabled) {
ChangeNotifier.maybeDispatchObjectCreation(this);
}
}
// Incremented when a RenderSliverOverlapAbsorber takes ownership of this
// object, decremented when it releases it. This allows us to find cases where
// the same handle is being passed to two render objects.
......
packages/flutter/test/widgets/nested_scroll_view_test.dart
View file @ 9d42ad84
......@@ -9,6 +9,7 @@ import 'package:flutter/gestures.dart' show DragStartBehavior;
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 '../rendering/rendering_tester.dart' show TestClipPaintingContext;
......@@ -109,7 +110,7 @@ Widget buildTest({
}
void main() {
testWidgets('ScrollDirection test', (WidgetTester tester) async {
testWidgetsWithLeakTracking('ScrollDirection test', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/107101
final List<ScrollDirection> receivedResult = <ScrollDirection>[];
const List<ScrollDirection> expectedReverseResult = <ScrollDirection>[ScrollDirection.reverse, ScrollDirection.idle];
......@@ -211,7 +212,7 @@ void main() {
expect(context.clipBehavior, equals(Clip.antiAlias));
});
testWidgets('NestedScrollView overscroll and release and hold', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollView overscroll and release and hold', (WidgetTester tester) async {
await tester.pumpWidget(buildTest());
expect(find.text('aaa2'), findsOneWidget);
await tester.pump(const Duration(milliseconds: 250));
......@@ -234,7 +235,7 @@ void main() {
expect(tester.renderObject<RenderBox>(find.byType(AppBar)).size.height, 200.0);
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
testWidgets('NestedScrollView overscroll and release and hold', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollView overscroll and release and hold', (WidgetTester tester) async {
await tester.pumpWidget(buildTest());
expect(find.text('aaa2'), findsOneWidget);
await tester.pump(const Duration(milliseconds: 250));
......@@ -259,7 +260,7 @@ void main() {
await tester.pump(const Duration(milliseconds: 1000));
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
testWidgets('NestedScrollView overscroll and release', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollView overscroll and release', (WidgetTester tester) async {
await tester.pumpWidget(buildTest());
expect(find.text('aaa2'), findsOneWidget);
await tester.pump(const Duration(milliseconds: 500));
......@@ -275,7 +276,7 @@ void main() {
expect(find.text('aaa2'), findsOneWidget);
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
testWidgets('NestedScrollView', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollView', (WidgetTester tester) async {
await tester.pumpWidget(buildTest());
expect(find.text('aaa2'), findsOneWidget);
expect(find.text('aaa3'), findsNothing);
......@@ -342,10 +343,11 @@ void main() {
);
});
testWidgets('NestedScrollView with a ScrollController', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollView with a ScrollController', (WidgetTester tester) async {
final ScrollController controller = ScrollController(
initialScrollOffset: 50.0,
);
addTearDown(controller.dispose);
late double scrollOffset;
controller.addListener(() {
......@@ -419,8 +421,9 @@ void main() {
expect(find.text('ddd1'), findsOneWidget);
});
testWidgets('Three NestedScrollViews with one ScrollController', (WidgetTester tester) async {
testWidgetsWithLeakTracking('Three NestedScrollViews with one ScrollController', (WidgetTester tester) async {
final TrackingScrollController controller = TrackingScrollController();
addTearDown(controller.dispose);
expect(controller.mostRecentlyUpdatedPosition, isNull);
expect(controller.initialScrollOffset, 0.0);
......@@ -482,7 +485,7 @@ void main() {
);
});
testWidgets('NestedScrollViews with custom physics', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollViews with custom physics', (WidgetTester tester) async {
await tester.pumpWidget(Directionality(
textDirection: TextDirection.ltr,
child: Localizations(
......@@ -520,7 +523,7 @@ void main() {
expect(point1.dy, greaterThan(point2.dy));
});
testWidgets('NestedScrollViews respect NeverScrollableScrollPhysics', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollViews respect NeverScrollableScrollPhysics', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/113753
await tester.pumpWidget(Directionality(
textDirection: TextDirection.ltr,
......@@ -561,7 +564,7 @@ void main() {
expect(point1, point2);
});
testWidgets('NestedScrollView and internal scrolling', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollView and internal scrolling', (WidgetTester tester) async {
debugDisableShadows = false;
const List<String> tabs = <String>['Hello', 'World'];
int buildCount = 0;
......@@ -843,7 +846,7 @@ void main() {
debugDisableShadows = true;
});
testWidgets('NestedScrollView and bouncing', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollView and bouncing', (WidgetTester tester) async {
// This verifies that overscroll bouncing works correctly on iOS. For
// example, this checks that if you pull to overscroll, friction is applied;
// it also makes sure that if you scroll back the other way, the scroll
......@@ -946,7 +949,7 @@ void main() {
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
group('NestedScrollViewState exposes inner and outer controllers', () {
testWidgets('Scrolling by less than the outer extent does not scroll the inner body', (WidgetTester tester) async {
testWidgetsWithLeakTracking('Scrolling by less than the outer extent does not scroll the inner body', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> globalKey = GlobalKey();
await tester.pumpWidget(buildTest(
key: globalKey,
......@@ -978,7 +981,7 @@ void main() {
expect(globalKey.currentState!.innerController.offset, 0.0);
});
testWidgets('Scrolling by exactly the outer extent does not scroll the inner body', (WidgetTester tester) async {
testWidgetsWithLeakTracking('Scrolling by exactly the outer extent does not scroll the inner body', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> globalKey = GlobalKey();
await tester.pumpWidget(buildTest(
key: globalKey,
......@@ -1010,7 +1013,7 @@ void main() {
expect(globalKey.currentState!.innerController.offset, 0.0);
});
testWidgets('Scrolling by greater than the outer extent scrolls the inner body', (WidgetTester tester) async {
testWidgetsWithLeakTracking('Scrolling by greater than the outer extent scrolls the inner body', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> globalKey = GlobalKey();
await tester.pumpWidget(buildTest(
key: globalKey,
......@@ -1046,7 +1049,7 @@ void main() {
);
});
testWidgets('Inertia-cancel event does not modify either position.', (WidgetTester tester) async {
testWidgetsWithLeakTracking('Inertia-cancel event does not modify either position.', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> globalKey = GlobalKey();
await tester.pumpWidget(buildTest(
key: globalKey,
......@@ -1094,7 +1097,7 @@ void main() {
);
});
testWidgets('scrolling by less than the expanded outer extent does not scroll the inner body', (WidgetTester tester) async {
testWidgetsWithLeakTracking('scrolling by less than the expanded outer extent does not scroll the inner body', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> globalKey = GlobalKey();
await tester.pumpWidget(buildTest(key: globalKey));
......@@ -1123,7 +1126,7 @@ void main() {
expect(globalKey.currentState!.innerController.offset, 0.0);
});
testWidgets('scrolling by exactly the expanded outer extent does not scroll the inner body', (WidgetTester tester) async {
testWidgetsWithLeakTracking('scrolling by exactly the expanded outer extent does not scroll the inner body', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> globalKey = GlobalKey();
await tester.pumpWidget(buildTest(key: globalKey));
......@@ -1152,7 +1155,7 @@ void main() {
expect(globalKey.currentState!.innerController.offset, 0.0);
});
testWidgets('scrolling by greater than the expanded outer extent scrolls the inner body', (WidgetTester tester) async {
testWidgetsWithLeakTracking('scrolling by greater than the expanded outer extent scrolls the inner body', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> globalKey = GlobalKey();
await tester.pumpWidget(buildTest(key: globalKey));
......@@ -1182,11 +1185,12 @@ void main() {
expect(globalKey.currentState!.innerController.offset, 50.0);
});
testWidgets(
testWidgetsWithLeakTracking(
'NestedScrollViewState.outerController should correspond to NestedScrollView.controller',
(WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> globalKey = GlobalKey();
final ScrollController scrollController = ScrollController();
addTearDown(scrollController.dispose);
await tester.pumpWidget(buildTest(
controller: scrollController,
......@@ -1213,7 +1217,7 @@ void main() {
);
group('manipulating controllers when', () {
testWidgets('outer: not scrolled, inner: not scrolled', (WidgetTester tester) async {
testWidgetsWithLeakTracking('outer: not scrolled, inner: not scrolled', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> globalKey1 = GlobalKey();
await tester.pumpWidget(buildTest(
key: globalKey1,
......@@ -1255,7 +1259,7 @@ void main() {
expect(globalKey2.currentState!.outerController.position.pixels, 0.0);
});
testWidgets('outer: not scrolled, inner: scrolled', (WidgetTester tester) async {
testWidgetsWithLeakTracking('outer: not scrolled, inner: scrolled', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> globalKey1 = GlobalKey();
await tester.pumpWidget(buildTest(
key: globalKey1,
......@@ -1299,7 +1303,7 @@ void main() {
expect(globalKey2.currentState!.outerController.position.pixels, 0.0);
});
testWidgets('outer: scrolled, inner: not scrolled', (WidgetTester tester) async {
testWidgetsWithLeakTracking('outer: scrolled, inner: not scrolled', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> globalKey1 = GlobalKey();
await tester.pumpWidget(buildTest(
key: globalKey1,
......@@ -1343,7 +1347,7 @@ void main() {
expect(globalKey2.currentState!.outerController.position.pixels, 0.0);
});
testWidgets('outer: scrolled, inner: scrolled', (WidgetTester tester) async {
testWidgetsWithLeakTracking('outer: scrolled, inner: scrolled', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> globalKey1 = GlobalKey();
await tester.pumpWidget(buildTest(
key: globalKey1,
......@@ -1392,7 +1396,7 @@ void main() {
});
// Regression test for https://github.com/flutter/flutter/issues/39963.
testWidgets('NestedScrollView with SliverOverlapAbsorber in or out of the first screen', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollView with SliverOverlapAbsorber in or out of the first screen', (WidgetTester tester) async {
await tester.pumpWidget(const _TestLayoutExtentIsNegative(1));
await tester.pumpWidget(const _TestLayoutExtentIsNegative(10));
});
......@@ -1471,7 +1475,7 @@ void main() {
return geometry.paintExtent;
}
testWidgets('float', (WidgetTester tester) async {
testWidgetsWithLeakTracking('float', (WidgetTester tester) async {
final GlobalKey appBarKey = GlobalKey();
await tester.pumpWidget(buildFloatTest(
floating: true,
......@@ -1523,7 +1527,7 @@ void main() {
verifyGeometry(key: appBarKey, paintExtent: 56.0, visible: true);
});
testWidgets('float expanded', (WidgetTester tester) async {
testWidgetsWithLeakTracking('float expanded', (WidgetTester tester) async {
final GlobalKey appBarKey = GlobalKey();
await tester.pumpWidget(buildFloatTest(
floating: true,
......@@ -1578,7 +1582,7 @@ void main() {
verifyGeometry(key: appBarKey, paintExtent: 200.0, visible: true);
});
testWidgets('float with pointer signal', (WidgetTester tester) async {
testWidgetsWithLeakTracking('float with pointer signal', (WidgetTester tester) async {
final GlobalKey appBarKey = GlobalKey();
await tester.pumpWidget(buildFloatTest(
floating: true,
......@@ -1635,7 +1639,7 @@ void main() {
verifyGeometry(key: appBarKey, paintExtent: 56.0, visible: true);
});
testWidgets('snap with pointer signal', (WidgetTester tester) async {
testWidgetsWithLeakTracking('snap with pointer signal', (WidgetTester tester) async {
final GlobalKey appBarKey = GlobalKey();
await tester.pumpWidget(buildFloatTest(
floating: true,
......@@ -1689,7 +1693,7 @@ void main() {
verifyGeometry(key: appBarKey, paintExtent: 0.0, visible: false);
});
testWidgets('float expanded with pointer signal', (WidgetTester tester) async {
testWidgetsWithLeakTracking('float expanded with pointer signal', (WidgetTester tester) async {
final GlobalKey appBarKey = GlobalKey();
await tester.pumpWidget(buildFloatTest(
floating: true,
......@@ -1749,7 +1753,7 @@ void main() {
verifyGeometry(key: appBarKey, paintExtent: 200.0, visible: true);
});
testWidgets('only snap', (WidgetTester tester) async {
testWidgetsWithLeakTracking('only snap', (WidgetTester tester) async {
final GlobalKey appBarKey = GlobalKey();
final GlobalKey<NestedScrollViewState> nestedKey = GlobalKey();
await tester.pumpWidget(buildFloatTest(
......@@ -1884,7 +1888,7 @@ void main() {
expect(nestedKey.currentState!.outerController.offset, 56.0);
});
testWidgets('only snap expanded', (WidgetTester tester) async {
testWidgetsWithLeakTracking('only snap expanded', (WidgetTester tester) async {
final GlobalKey appBarKey = GlobalKey();
final GlobalKey<NestedScrollViewState> nestedKey = GlobalKey();
await tester.pumpWidget(buildFloatTest(
......@@ -2020,7 +2024,7 @@ void main() {
expect(nestedKey.currentState!.outerController.offset, 200.0);
});
testWidgets('float pinned', (WidgetTester tester) async {
testWidgetsWithLeakTracking('float pinned', (WidgetTester tester) async {
// This configuration should have the same behavior of a pinned app bar.
// No floating should happen, and the app bar should persist.
final GlobalKey appBarKey = GlobalKey();
......@@ -2075,7 +2079,7 @@ void main() {
verifyGeometry(key: appBarKey, paintExtent: 56.0, visible: true);
});
testWidgets('float pinned expanded', (WidgetTester tester) async {
testWidgetsWithLeakTracking('float pinned expanded', (WidgetTester tester) async {
// Only the expanded portion (flexible space) of the app bar should float
// in and out.
final GlobalKey appBarKey = GlobalKey();
......@@ -2134,7 +2138,7 @@ void main() {
verifyGeometry(key: appBarKey, paintExtent: 200.0, visible: true);
});
testWidgets('float pinned with pointer signal', (WidgetTester tester) async {
testWidgetsWithLeakTracking('float pinned with pointer signal', (WidgetTester tester) async {
// This configuration should have the same behavior of a pinned app bar.
// No floating should happen, and the app bar should persist.
final GlobalKey appBarKey = GlobalKey();
......@@ -2194,7 +2198,7 @@ void main() {
verifyGeometry(key: appBarKey, paintExtent: 56.0, visible: true);
});
testWidgets('float pinned expanded with pointer signal', (WidgetTester tester) async {
testWidgetsWithLeakTracking('float pinned expanded with pointer signal', (WidgetTester tester) async {
// Only the expanded portion (flexible space) of the app bar should float
// in and out.
final GlobalKey appBarKey = GlobalKey();
......@@ -2289,10 +2293,11 @@ void main() {
);
}
testWidgets('overscroll, hold for 0 velocity, and release', (WidgetTester tester) async {
testWidgetsWithLeakTracking('overscroll, hold for 0 velocity, and release', (WidgetTester tester) async {
// Dragging into an overscroll and holding so that when released, the
// ballistic scroll activity has a 0 velocity.
final ScrollController controller = ScrollController();
addTearDown(controller.dispose);
await tester.pumpWidget(buildBallisticTest(controller));
// Last item of the inner scroll view.
expect(find.text('Item 49'), findsNothing);
......@@ -2316,10 +2321,11 @@ void main() {
expect(tester.getCenter(find.text('Item 49')).dy, equals(585.0));
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS }));
testWidgets('overscroll, release, and tap', (WidgetTester tester) async {
testWidgetsWithLeakTracking('overscroll, release, and tap', (WidgetTester tester) async {
// Tapping while an inner ballistic scroll activity is in progress will
// trigger a secondary ballistic scroll activity with a 0 velocity.
final ScrollController controller = ScrollController();
addTearDown(controller.dispose);
await tester.pumpWidget(buildBallisticTest(controller));
// Last item of the inner scroll view.
expect(find.text('Item 49'), findsNothing);
......@@ -2350,7 +2356,7 @@ void main() {
});
// Regression test for https://github.com/flutter/flutter/issues/63978
testWidgets('Inner _NestedScrollPosition.applyClampedDragUpdate correctly calculates range when in overscroll', (WidgetTester tester) async {
testWidgetsWithLeakTracking('Inner _NestedScrollPosition.applyClampedDragUpdate correctly calculates range when in overscroll', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> nestedScrollView = GlobalKey();
await tester.pumpWidget(MaterialApp(
home: Scaffold(
......@@ -2404,8 +2410,9 @@ void main() {
expect(nestedScrollView.currentState!.innerController.position.pixels, 295.0);
}, variant: const TargetPlatformVariant(<TargetPlatform>{ TargetPlatform.iOS, TargetPlatform.macOS }));
testWidgets('Scroll pointer signal should not cause overscroll.', (WidgetTester tester) async {
testWidgetsWithLeakTracking('Scroll pointer signal should not cause overscroll.', (WidgetTester tester) async {
final ScrollController controller = ScrollController();
addTearDown(controller.dispose);
await tester.pumpWidget(buildTest(controller: controller));
final Offset scrollEventLocation = tester.getCenter(find.byType(NestedScrollView));
......@@ -2426,7 +2433,7 @@ void main() {
expect(find.text('ddd1'), findsOneWidget);
});
testWidgets('NestedScrollView basic scroll with pointer signal', (WidgetTester tester) async{
testWidgetsWithLeakTracking('NestedScrollView basic scroll with pointer signal', (WidgetTester tester) async{
await tester.pumpWidget(buildTest());
expect(find.text('aaa2'), findsOneWidget);
expect(find.text('aaa3'), findsNothing);
......@@ -2466,12 +2473,13 @@ void main() {
});
// Related to https://github.com/flutter/flutter/issues/64266
testWidgets(
testWidgetsWithLeakTracking(
'Holding scroll and Scroll pointer signal will update ScrollDirection.forward / ScrollDirection.reverse',
(WidgetTester tester) async {
ScrollDirection? lastUserScrollingDirection;
final ScrollController controller = ScrollController();
addTearDown(controller.dispose);
await tester.pumpWidget(buildTest(controller: controller));
controller.addListener(() {
......@@ -2503,7 +2511,7 @@ void main() {
);
// Regression test for https://github.com/flutter/flutter/issues/72257
testWidgets('NestedScrollView works well when rebuilding during scheduleWarmUpFrame', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollView works well when rebuilding during scheduleWarmUpFrame', (WidgetTester tester) async {
bool? isScrolled;
final Widget myApp = MaterialApp(
home: Scaffold(
......@@ -2546,8 +2554,9 @@ void main() {
});
// Regression test of https://github.com/flutter/flutter/issues/74372
testWidgets('ScrollPosition can be accessed during `_updatePosition()`', (WidgetTester tester) async {
testWidgetsWithLeakTracking('ScrollPosition can be accessed during `_updatePosition()`', (WidgetTester tester) async {
final ScrollController controller = ScrollController();
addTearDown(controller.dispose);
late ScrollPosition position;
Widget buildFrame({ScrollPhysics? physics}) {
......@@ -2592,7 +2601,7 @@ void main() {
expect(position.pixels, 0.0);
});
testWidgets("NestedScrollView doesn't crash due to precision error", (WidgetTester tester) async {
testWidgetsWithLeakTracking("NestedScrollView doesn't crash due to precision error", (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/63825
await tester.pumpWidget(MaterialApp(
......@@ -2639,7 +2648,7 @@ void main() {
await tester.pumpAndSettle();
});
testWidgets('NestedScrollViewCoordinator.pointerScroll dispatches correct scroll notifications', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollViewCoordinator.pointerScroll dispatches correct scroll notifications', (WidgetTester tester) async {
int scrollEnded = 0;
int scrollStarted = 0;
bool isScrolled = false;
......@@ -2701,7 +2710,7 @@ void main() {
expect(scrollEnded, 2);
});
testWidgets('SliverAppBar.medium collapses in NestedScrollView', (WidgetTester tester) async {
testWidgetsWithLeakTracking('SliverAppBar.medium collapses in NestedScrollView', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> nestedScrollView = GlobalKey();
const double collapsedAppBarHeight = 64;
const double expandedAppBarHeight = 112;
......@@ -2783,7 +2792,7 @@ void main() {
expect(tester.getSize(expandedTitleClip).height, expandedAppBarHeight - collapsedAppBarHeight);
});
testWidgets('SliverAppBar.large collapses in NestedScrollView', (WidgetTester tester) async {
testWidgetsWithLeakTracking('SliverAppBar.large collapses in NestedScrollView', (WidgetTester tester) async {
final GlobalKey<NestedScrollViewState> nestedScrollView = GlobalKey();
const double collapsedAppBarHeight = 64;
const double expandedAppBarHeight = 152;
......@@ -2866,7 +2875,7 @@ void main() {
expect(tester.getSize(expandedTitleClip).height, expandedAppBarHeight - collapsedAppBarHeight);
});
testWidgets('NestedScrollView does not crash when inner scrollable changes while scrolling', (WidgetTester tester) async {
testWidgetsWithLeakTracking('NestedScrollView does not crash when inner scrollable changes while scrolling', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/126454.
Widget buildApp({required bool nested}) {
final Widget innerScrollable = ListView(
......@@ -2903,7 +2912,7 @@ void main() {
await tester.pumpWidget(buildApp(nested: true));
});
testWidgets('SliverOverlapInjector asserts when there is no SliverOverlapAbsorber', (WidgetTester tester) async {
testWidgetsWithLeakTracking('SliverOverlapInjector asserts when there is no SliverOverlapAbsorber', (WidgetTester tester) async {
Widget buildApp() {
return MaterialApp(
home: Scaffold(
......@@ -2997,7 +3006,8 @@ void main() {
)
);
}
testWidgets('when headerSliverBuilder is empty', (WidgetTester tester) async {
testWidgetsWithLeakTracking('when headerSliverBuilder is empty', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/117316
// Regression test for https://github.com/flutter/flutter/issues/46089
// Short body / long body
......@@ -3015,7 +3025,7 @@ void main() {
}
}, variant: TargetPlatformVariant.all());
testWidgets('when headerSliverBuilder extent is 0', (WidgetTester tester) async {
testWidgetsWithLeakTracking('when headerSliverBuilder extent is 0', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/79077
// Short body / long body
for (final _BodyLength bodyLength in _BodyLength.values) {
......@@ -3169,7 +3179,7 @@ void main() {
}
}, variant: TargetPlatformVariant.all());
testWidgets('With a pinned SliverAppBar', (WidgetTester tester) async {
testWidgetsWithLeakTracking('With a pinned SliverAppBar', (WidgetTester tester) async {
// Regression test for https://github.com/flutter/flutter/issues/110956
// Regression test for https://github.com/flutter/flutter/issues/127282
// Regression test for https://github.com/flutter/flutter/issues/32563
......@@ -3200,6 +3210,13 @@ void main() {
}
});
});
testWidgetsWithLeakTracking('$SliverOverlapAbsorberHandle dispatches creation in constructor', (WidgetTester widgetTester) async {
await expectLater(
await memoryEvents(() => SliverOverlapAbsorberHandle().dispose(), SliverOverlapAbsorberHandle),
areCreateAndDispose,
);
});
}
double appBarHeight(WidgetTester tester) => tester.getSize(find.byType(AppBar, skipOffstage: false)).height;
......
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