From 3e062ef9116b8441a520c17530eb4144f64e30a0 Mon Sep 17 00:00:00 2001
From: bendtherules <abhasbhattacharya2@gmail.com>
Date: Sat, 10 Aug 2019 17:20:20 +0530
Subject: [PATCH] Add testcase - getRootFiberNodeFromDOM - without any element
 as input

---
 test/utils.getRootFiberNodeFromDOM.spec.tsx | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/test/utils.getRootFiberNodeFromDOM.spec.tsx b/test/utils.getRootFiberNodeFromDOM.spec.tsx
index 5644c15..b0dabb8 100644
--- a/test/utils.getRootFiberNodeFromDOM.spec.tsx
+++ b/test/utils.getRootFiberNodeFromDOM.spec.tsx
@@ -53,6 +53,20 @@ describe("traverse", () => {
       expect((resultPositive as any).child.child.type).toBe(C1);
     });
 
+    it("should work without any element - default args", () => {
+      const C1 = createClassComponent("C1");
+      const containerInner = container.appendChild(
+        document.createElement("span")
+      );
+      mountAndGetRootNode(C1, containerInner);
+
+      const resultPositive = getRootFiberNodeFromDOM();
+
+      expect(resultPositive).not.toBeFalsy();
+      expect(resultPositive).not.toBe(null);
+      expect((resultPositive as any).child.child.type).toBe(C1);
+    });
+
     it("should not work for child element", () => {
       const C1 = createClassComponent("C1");
       const containerInner = container.appendChild(