From 046d4cee8b468bcc67be7fb9cae9737908833296 Mon Sep 17 00:00:00 2001
From: "Andrew Chen (Eng)" <ayc@fb.com>
Date: Thu, 22 Mar 2018 22:06:01 -0700
Subject: [PATCH] Assert root node isn't null in createView

Reviewed By: mdvacca

Differential Revision: D7374406

fbshipit-source-id: 534e58e7867a9fa8e395abd587e2c808c9c7843d
---
 .../main/java/com/facebook/react/uimanager/UIImplementation.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIImplementation.java b/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIImplementation.java
index 46353bc28fc..f33ab605700 100644
--- a/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIImplementation.java
+++ b/ReactAndroid/src/main/java/com/facebook/react/uimanager/UIImplementation.java
@@ -276,6 +276,7 @@ public class UIImplementation {
   public void createView(int tag, String className, int rootViewTag, ReadableMap props) {
     ReactShadowNode cssNode = createShadowNode(className);
     ReactShadowNode rootNode = mShadowNodeRegistry.getNode(rootViewTag);
+    Assertions.assertNotNull(rootNode, "Root node with tag " + rootViewTag + " doesn't exist");
     cssNode.setReactTag(tag);
     cssNode.setViewClassName(className);
     cssNode.setRootNode(rootNode);