From 03b60ac75b8e64703c4454220c91cc2545ebd98f Mon Sep 17 00:00:00 2001
From: Polina Cherkasova <polinach@google.com>
Date: Wed, 6 Sep 2023 08:12:10 -0700
Subject: [PATCH] _DropdownMenuState should dispose TextEditingController.
 (#133914)

---
 packages/flutter/lib/src/material/dropdown_menu.dart         | 3 +++
 packages/flutter/test/material/dropdown_menu_theme_test.dart | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/flutter/lib/src/material/dropdown_menu.dart b/packages/flutter/lib/src/material/dropdown_menu.dart
index 3beb00d3dda..ca439552ba0 100644
--- a/packages/flutter/lib/src/material/dropdown_menu.dart
+++ b/packages/flutter/lib/src/material/dropdown_menu.dart
@@ -541,6 +541,9 @@ class _DropdownMenuState<T> extends State<DropdownMenu<T>> {
 
   @override
   void dispose() {
+    if (widget.controller == null) {
+      _textEditingController.dispose();
+    }
     super.dispose();
   }
 
diff --git a/packages/flutter/test/material/dropdown_menu_theme_test.dart b/packages/flutter/test/material/dropdown_menu_theme_test.dart
index dabb572db82..f0c0f179623 100644
--- a/packages/flutter/test/material/dropdown_menu_theme_test.dart
+++ b/packages/flutter/test/material/dropdown_menu_theme_test.dart
@@ -100,7 +100,7 @@ void main() {
     expect(material.textStyle?.color, themeData.colorScheme.onSurface);
   });
 
-  testWidgets('ThemeData.dropdownMenuTheme overrides defaults', (WidgetTester tester) async {
+  testWidgetsWithLeakTracking('ThemeData.dropdownMenuTheme overrides defaults', (WidgetTester tester) async {
     final ThemeData theme = ThemeData(
       dropdownMenuTheme: DropdownMenuThemeData(
         textStyle: TextStyle(