diff --git a/Bit-Manipulation/test/BinaryCountSetBits.test.js b/Bit-Manipulation/test/BinaryCountSetBits.test.js
new file mode 100644
index 000000000..31740b66b
--- /dev/null
+++ b/Bit-Manipulation/test/BinaryCountSetBits.test.js
@@ -0,0 +1,26 @@
+import { BinaryCountSetBits } from '../BinaryCountSetBits'
+
+test('check BinaryCountSetBits of 25 is 3', () => {
+  const res = BinaryCountSetBits(25)
+  expect(res).toBe(3)
+})
+test('check BinaryCountSetBits of 36 is 2', () => {
+  const res = BinaryCountSetBits(36)
+  expect(res).toBe(2)
+})
+test('check BinaryCountSetBits of 16 is 1', () => {
+  const res = BinaryCountSetBits(16)
+  expect(res).toBe(1)
+})
+test('check BinaryCountSetBits of 58 is 4', () => {
+  const res = BinaryCountSetBits(58)
+  expect(res).toBe(4)
+})
+test('check BinaryCountSetBits of 4294967295 is 32', () => {
+  const res = BinaryCountSetBits(4294967295)
+  expect(res).toBe(32)
+})
+test('check BinaryCountSetBits of 0 is 0', () => {
+  const res = BinaryCountSetBits(0)
+  expect(res).toBe(0)
+})