From 9e9f772323277113fdf6ad76f2039ac643801874 Mon Sep 17 00:00:00 2001
From: Maurice Parrish <10687576+bparrishMines@users.noreply.github.com>
Date: Tue, 28 Oct 2025 18:00:18 -0400
Subject: [PATCH 1/2] fix crash

---
 .../darwin/Tests/NavigationDelegateProxyAPITests.swift    | 2 +-
 .../darwin/Tests/NavigationResponseProxyAPITests.swift    | 8 ++++++--
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/packages/webview_flutter/webview_flutter_wkwebview/darwin/Tests/NavigationDelegateProxyAPITests.swift b/packages/webview_flutter/webview_flutter_wkwebview/darwin/Tests/NavigationDelegateProxyAPITests.swift
index 07f65e0751c..11df2e04329 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/darwin/Tests/NavigationDelegateProxyAPITests.swift
+++ b/packages/webview_flutter/webview_flutter_wkwebview/darwin/Tests/NavigationDelegateProxyAPITests.swift
@@ -62,7 +62,7 @@ class NavigationDelegateProxyAPITests: XCTestCase {
     let registrar = TestProxyApiRegistrar()
     let instance = NavigationDelegateImpl(api: api, registrar: registrar)
     let webView = WKWebView(frame: .zero)
-    let navigationResponse = TestNavigationResponse()
+    let navigationResponse = TestNavigationResponse.instance
 
     var result: WKNavigationResponsePolicy?
     let callbackExpectation = expectation(description: "Wait for callback.")
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/darwin/Tests/NavigationResponseProxyAPITests.swift b/packages/webview_flutter/webview_flutter_wkwebview/darwin/Tests/NavigationResponseProxyAPITests.swift
index df861beccda..279fe143563 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/darwin/Tests/NavigationResponseProxyAPITests.swift
+++ b/packages/webview_flutter/webview_flutter_wkwebview/darwin/Tests/NavigationResponseProxyAPITests.swift
@@ -12,7 +12,7 @@ class NavigationResponseProxyAPITests: XCTestCase {
     let registrar = TestProxyApiRegistrar()
     let api = registrar.apiDelegate.pigeonApiWKNavigationResponse(registrar)
 
-    let instance = WKNavigationResponse()
+    let instance = TestNavigationResponse.instance
     let value = try? api.pigeonDelegate.response(pigeonApi: api, pigeonInstance: instance)
 
     XCTAssertEqual(value, instance.response)
@@ -22,7 +22,7 @@ class NavigationResponseProxyAPITests: XCTestCase {
     let registrar = TestProxyApiRegistrar()
     let api = registrar.apiDelegate.pigeonApiWKNavigationResponse(registrar)
 
-    let instance = TestNavigationResponse()
+    let instance = TestNavigationResponse.instance
     let value = try? api.pigeonDelegate.isForMainFrame(pigeonApi: api, pigeonInstance: instance)
 
     XCTAssertEqual(value, instance.isForMainFrame)
@@ -30,6 +30,10 @@ class NavigationResponseProxyAPITests: XCTestCase {
 }
 
 class TestNavigationResponse: WKNavigationResponse {
+  // Provides a static instance to prevent a crash when a WKNavigationResponse is deallocated
+  // See https://github.com/flutter/flutter/issues/173326
+  static let instance = TestNavigationResponse()
+
   let testResponse = URLResponse()
 
   override var isForMainFrame: Bool {

From 62a5093338add73f50c10d49bca1fcd28d59ccd7 Mon Sep 17 00:00:00 2001
From: Maurice Parrish <10687576+bparrishMines@users.noreply.github.com>
Date: Tue, 28 Oct 2025 18:04:42 -0400
Subject: [PATCH 2/2] make init private

---
 .../darwin/Tests/NavigationResponseProxyAPITests.swift        | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/webview_flutter/webview_flutter_wkwebview/darwin/Tests/NavigationResponseProxyAPITests.swift b/packages/webview_flutter/webview_flutter_wkwebview/darwin/Tests/NavigationResponseProxyAPITests.swift
index 279fe143563..1d5bce66ca9 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/darwin/Tests/NavigationResponseProxyAPITests.swift
+++ b/packages/webview_flutter/webview_flutter_wkwebview/darwin/Tests/NavigationResponseProxyAPITests.swift
@@ -36,6 +36,10 @@ class TestNavigationResponse: WKNavigationResponse {
 
   let testResponse = URLResponse()
 
+  private override init() {
+    super.init()
+  }
+
   override var isForMainFrame: Bool {
     return true
   }