merge: Add test case to jump search Algorithm (TheAlgorithms#1041)

* Add test case to jump search Algorithm

* Updated Documentation in README.md

* Remove commented code

Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>

Author: Ankush263

Data-Structures/Linked-List/SinglyLinkedList.js

@@ -77,7 +77,6 @@ class LinkedList {
       this.headNode = this.headNode.next
       this.length--
     }
-    console.log(removedNode.data)
     return removedNode?.data
   }
 

Search/JumpSearch.js

@@ -29,7 +29,5 @@ const jumpSearch = (arr, value) => {
   }
   return -1
 }
-const arr = [0, 0, 4, 7, 10, 23, 34, 40, 55, 68, 77, 90]
-jumpSearch(arr, 4)
-jumpSearch(arr, 34)
-jumpSearch(arr, 77)
+
+export { jumpSearch }

Search/test/jumpSearch.test.js

@@ -0,0 +1,19 @@
+import { jumpSearch } from '../JumpSearch'
+
+test('jumpSearch([0, 0, 4, 7, 10, 23, 34, 40, 55, 68, 77, 90], 77) => 10', () => {
+  const arr = [0, 0, 4, 7, 10, 23, 34, 40, 55, 68, 77, 90]
+  const res = jumpSearch(arr, 77)
+  expect(res).toEqual(10)
+})
+
+test('jumpSearch([11, 12, 15, 65, 78, 90], 4) => -1', () => {
+  const arr = [11, 12, 15, 65, 78, 90]
+  const res = jumpSearch(arr, 4)
+  expect(res).toEqual(-1)
+})
+
+test('jumpSearch([11, 12, 15, 65, 78, 90], 11) => 0', () => {
+  const arr = [11, 12, 15, 65, 78, 90]
+  const res = jumpSearch(arr, 11)
+  expect(res).toEqual(0)
+})