From 260e00f30af82caa1682cbd660df583ea5b74f16 Mon Sep 17 00:00:00 2001
From: tarrinneal <tarrinneal@gmail.com>
Date: Mon, 12 Aug 2024 01:08:02 -0700
Subject: [PATCH] add test to enforce mutable lists

---
 .../integration_test/shared_preferences_test.dart        | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/packages/shared_preferences/shared_preferences/example/integration_test/shared_preferences_test.dart b/packages/shared_preferences/shared_preferences/example/integration_test/shared_preferences_test.dart
index 07cd53e4d818..504ad899e187 100644
--- a/packages/shared_preferences/shared_preferences/example/integration_test/shared_preferences_test.dart
+++ b/packages/shared_preferences/shared_preferences/example/integration_test/shared_preferences_test.dart
@@ -218,6 +218,15 @@ void main() {
         expect(await preferences.getStringList(listKey), testList);
       });
 
+      testWidgets('getStringList returns mutable list', (WidgetTester _) async {
+        final SharedPreferencesAsync preferences = await getPreferences();
+
+        await preferences.setStringList(listKey, testList);
+        final List<String>? list = await preferences.getStringList(listKey);
+        list?.add('value');
+        expect(list?.length, testList.length + 1);
+      });
+
       testWidgets('getAll', (WidgetTester _) async {
         final SharedPreferencesAsync preferences = await getPreferences();
         await Future.wait(<Future<void>>[