From c387aab2e778213deb630194efa95a0a0babf63c Mon Sep 17 00:00:00 2001
From: Aonghus O Nia <aonghusonia@eircom.net>
Date: Fri, 6 Mar 2020 22:37:06 -0500
Subject: [PATCH] tests linked list is iterable

---
 .../linked-list/__test__/LinkedList.test.js         | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/data-structures/linked-list/__test__/LinkedList.test.js b/src/data-structures/linked-list/__test__/LinkedList.test.js
index 3a4241c9..2706654d 100644
--- a/src/data-structures/linked-list/__test__/LinkedList.test.js
+++ b/src/data-structures/linked-list/__test__/LinkedList.test.js
@@ -243,4 +243,17 @@ describe('LinkedList', () => {
     expect(linkedList.head.value).toBe(1);
     expect(linkedList.tail.value).toBe(3);
   });
+  
+  it('should be iterable', () => {
+    const linkedList = new LinkedList();
+    expect(typeof linkedList[Symbol.iterator]).toBe('function');
+
+    // Add test values to linked list.
+    linkedList
+      .append(1)
+      .append(2)
+      .append(3);
+
+    expect([...linkedList]).toEqual([1, 2, 3]);
+  });
 });