From cb8afda183e9c931978279d3a1706d1d9c905484 Mon Sep 17 00:00:00 2001
From: Andrew Clark <git@andrewclark.io>
Date: Thu, 8 Jul 2021 23:01:29 -0400
Subject: [PATCH] Add test for #21837 (#21842)

Taken from https://github.com/facebook/react/pull/21837#issuecomment-876788973

Co-Authored-By: Timothy Yung <yungsters@fb.com>

Co-authored-by: Timothy Yung <yungsters@fb.com>
---
 .../__tests__/ReactFabric-test.internal.js    | 32 +++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/packages/react-native-renderer/src/__tests__/ReactFabric-test.internal.js b/packages/react-native-renderer/src/__tests__/ReactFabric-test.internal.js
index 4c5bea872bbd8..6b776c085fd40 100644
--- a/packages/react-native-renderer/src/__tests__/ReactFabric-test.internal.js
+++ b/packages/react-native-renderer/src/__tests__/ReactFabric-test.internal.js
@@ -1064,4 +1064,36 @@ describe('ReactFabric', () => {
     expect(TextInputState.focusTextInput).toHaveBeenCalledTimes(1);
     expect(TextInputState.focusTextInput).toHaveBeenCalledWith(viewRef.current);
   });
+
+  it('should no-op if calling sendAccessibilityEvent on unmounted refs', () => {
+    const View = createReactNativeComponentClass('RCTView', () => ({
+      validAttributes: {foo: true},
+      uiViewClassName: 'RCTView',
+    }));
+
+    nativeFabricUIManager.sendAccessibilityEvent.mockReset();
+
+    let viewRef;
+    act(() => {
+      ReactFabric.render(
+        <View
+          ref={ref => {
+            viewRef = ref;
+          }}
+        />,
+        11,
+      );
+    });
+    const dangerouslyRetainedViewRef = viewRef;
+    act(() => {
+      ReactFabric.stopSurface(11);
+    });
+
+    ReactFabric.sendAccessibilityEvent(
+      dangerouslyRetainedViewRef,
+      'eventTypeName',
+    );
+
+    expect(nativeFabricUIManager.sendAccessibilityEvent).not.toBeCalled();
+  });
 });