Pass fit property to RenderIndexedStack (#109295)

packages/flutter/lib/src/rendering/stack.dart

@@ -714,6 +714,8 @@ class RenderIndexedStack extends RenderStack {
     super.children,
     super.alignment,
     super.textDirection,
+    super.fit,
+    super.clipBehavior,
     int? index = 0,
   }) : _index = index;
 

packages/flutter/lib/src/widgets/basic.dart

@@ -3943,6 +3943,7 @@ class IndexedStack extends Stack {
     super.key,
     super.alignment,
     super.textDirection,
+    super.clipBehavior,
     StackFit sizing = StackFit.loose,
     this.index = 0,
     super.children,
@@ -3956,6 +3957,8 @@ class IndexedStack extends Stack {
     assert(_debugCheckHasDirectionality(context));
     return RenderIndexedStack(
       index: index,
+      fit:fit,
+      clipBehavior: clipBehavior,
       alignment: alignment,
       textDirection: textDirection ?? Directionality.maybeOf(context),
     );
@@ -3966,6 +3969,8 @@ class IndexedStack extends Stack {
     assert(_debugCheckHasDirectionality(context));
     renderObject
       ..index = index
+      ..fit = fit
+      ..clipBehavior = clipBehavior
       ..alignment = alignment
       ..textDirection = textDirection ?? Directionality.maybeOf(context);
   }

packages/flutter/test/widgets/stack_test.dart

@@ -799,4 +799,64 @@ void main() {
       "'alignment', or an explicit 'textDirection', to the Stack.",
     );
   });
+
+  testWidgets('Can update clipBehavior of IndexedStack',
+      (WidgetTester tester) async {
+    await tester.pumpWidget(IndexedStack(textDirection: TextDirection.ltr));
+    final RenderIndexedStack renderObject =
+      tester.renderObject<RenderIndexedStack>(find.byType(IndexedStack));
+    expect(renderObject.clipBehavior, equals(Clip.hardEdge));
+
+    // Update clipBehavior to Clip.antiAlias
+
+    await tester.pumpWidget(IndexedStack(
+      textDirection: TextDirection.ltr,
+      clipBehavior: Clip.antiAlias,
+    ));
+    final RenderIndexedStack renderIndexedObject =
+      tester.renderObject<RenderIndexedStack>(find.byType(IndexedStack));
+    expect(renderIndexedObject.clipBehavior, equals(Clip.antiAlias));
+  });
+
+  testWidgets('IndexedStack sizing: explicit', (WidgetTester tester) async {
+    final List<String> logs = <String>[];
+    Widget buildIndexedStack(StackFit sizing) {
+      return Directionality(
+        textDirection: TextDirection.ltr,
+        child: Center(
+          child: ConstrainedBox(
+            constraints: const BoxConstraints(
+              minWidth: 2.0,
+              maxWidth: 3.0,
+              minHeight: 5.0,
+              maxHeight: 7.0,
+            ),
+            child: IndexedStack(
+              sizing: sizing,
+              children: <Widget>[
+                LayoutBuilder(
+                  builder: (BuildContext context, BoxConstraints constraints) {
+                    logs.add(constraints.toString());
+                    return const Placeholder();
+                  },
+                ),
+              ],
+            ),
+          ),
+        ),
+      );
+    }
+    await tester.pumpWidget(buildIndexedStack(StackFit.loose));
+    logs.add('=1=');
+    await tester.pumpWidget(buildIndexedStack(StackFit.expand));
+    logs.add('=2=');
+    await tester.pumpWidget(buildIndexedStack(StackFit.passthrough));
+    expect(logs, <String>[
+      'BoxConstraints(0.0<=w<=3.0, 0.0<=h<=7.0)',
+      '=1=',
+      'BoxConstraints(w=3.0, h=7.0)',
+      '=2=',
+      'BoxConstraints(2.0<=w<=3.0, 5.0<=h<=7.0)',
+    ]);
+  });
 }