diff --git a/Search/BinarySearch.js b/Search/BinarySearch.js
index c822cfac60..89cb37f88d 100644
--- a/Search/BinarySearch.js
+++ b/Search/BinarySearch.js
@@ -50,42 +50,3 @@ function binarySearchIterative (arr, x, low = 0, high = arr.length - 1) {
}
export { binarySearchIterative, binarySearchRecursive }
-
-/* ---------------------------------- Test ---------------------------------- */
-
-// const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
-// const stringArr = [
-// 'Alpha',
-// 'Bravo',
-// 'Charlie',
-// 'Delta',
-// 'Echo',
-// 'Foxtrot',
-// 'Golf',
-// 'Hotel',
-// 'India',
-// 'Juliet',
-// 'Kilo',
-// 'Lima',
-// 'Mike',
-// 'November',
-// 'Oscar',
-// 'Papa',
-// 'Quebec',
-// 'Romeo',
-// 'Sierra',
-// 'Tango',
-// 'Uniform',
-// 'Victor',
-// 'Whiskey',
-// 'X-Ray',
-// 'Yankee',
-// 'Zulu'
-// ]
-
-// binarySearchRecursive(arr, 3)
-// binarySearchIterative(arr, 7)
-// binarySearchRecursive(arr, 13)
-// binarySearchIterative(stringArr, 'Charlie')
-// binarySearchRecursive(stringArr, 'Zulu')
-// binarySearchIterative(stringArr, 'Sierra')
diff --git a/Search/test/BinarySearch.test.js b/Search/test/BinarySearch.test.js
new file mode 100644
index 0000000000..a903b4a24e
--- /dev/null
+++ b/Search/test/BinarySearch.test.js
@@ -0,0 +1,49 @@
+import { binarySearchIterative, binarySearchRecursive } from '../BinarySearch'
+
+const arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+const stringArr = [
+ 'Alpha',
+ 'Bravo',
+ 'Charlie',
+ 'Delta',
+ 'Echo',
+ 'Foxtrot',
+ 'Golf',
+ 'Hotel',
+ 'India',
+ 'Juliet',
+ 'Kilo',
+ 'Lima',
+ 'Mike',
+ 'November',
+ 'Oscar',
+ 'Papa',
+ 'Quebec',
+ 'Romeo',
+ 'Sierra',
+ 'Tango',
+ 'Uniform',
+ 'Victor',
+ 'Whiskey',
+ 'X-Ray',
+ 'Yankee',
+ 'Zulu'
+]
+
+describe('Binary Search', () => {
+ const funcs = [binarySearchIterative, binarySearchRecursive]
+ for (const func of funcs) {
+ test('expect to return the index of the item in the array', () => {
+ expect(func(arr, 3)).toBe(2)
+ })
+ test('expect to return -1 if not in array', () => {
+ expect(func(arr, 11)).toBe(-1)
+ })
+ test('expect to return the index of the item in the array', () => {
+ expect(func(stringArr, 'Charlie')).toBe(2)
+ })
+ test('expect to return -1 if not in array', () => {
+ expect(func(stringArr, 'Zoft')).toBe(-1)
+ })
+ }
+})
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