From 51a9126053b66c0db8b639142d8e9f86ae2b8fd2 Mon Sep 17 00:00:00 2001
From: AbhinavXT <abhinavpathaka17@gmail.com>
Date: Sun, 4 Jul 2021 21:47:53 +0530
Subject: [PATCH 1/3] Added SetBit.js, SetBit.test.js in Bit-Manipulation
 directory

---
 Bit-Manipulation/SetBit.js           | 31 ++++++++++++++++++++++++++++
 Bit-Manipulation/test/SetBit.test.js | 21 +++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 Bit-Manipulation/SetBit.js
 create mode 100644 Bit-Manipulation/test/SetBit.test.js

diff --git a/Bit-Manipulation/SetBit.js b/Bit-Manipulation/SetBit.js
new file mode 100644
index 000000000..f7774dd54
--- /dev/null
+++ b/Bit-Manipulation/SetBit.js
@@ -0,0 +1,31 @@
+/*
+ * Setting Bit: https://www.geeksforgeeks.org/set-k-th-bit-given-number/
+ *
+ * To set any bit we use bitwise OR (|) operator.
+ *
+ * Bitwise OR (|) compares the bits of the 32
+ * bit binary representations of the number and
+ * returns a number after comparing each bit.
+ *
+ * 0 | 0 -> 0
+ * 0 | 1 -> 1
+ * 1 | 0 -> 1
+ * 1 | 1 -> 1
+ *
+ * In-order to set kth bit of a number (where k is the position where bit is to be changed)
+ * we need to shift 1 k times to its left and then perform bitwise OR operation with the
+ * number and result of left shift performed just before.
+ *
+ * References:
+ * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_OR
+ */
+
+/**
+ * @param {number} number
+ * @param {number} bitPosition - zero based.
+ * @return {number}
+ */
+
+export const setBit = (number, bitPosition) => {
+  return number | (1 << bitPosition)
+}
diff --git a/Bit-Manipulation/test/SetBit.test.js b/Bit-Manipulation/test/SetBit.test.js
new file mode 100644
index 000000000..7a4d0dcd7
--- /dev/null
+++ b/Bit-Manipulation/test/SetBit.test.js
@@ -0,0 +1,21 @@
+import { setBit } from '../SetBit'
+
+test('should set bit at the given bit Position', () => {
+  const setBitPos = setBit(1, 0)
+  expect(setBitPos).toBe(1)
+})
+
+test('should set bit at the given bit Position', () => {
+  const setBitPos = setBit(1, 0)
+  expect(setBitPos).toBe(1)
+})
+
+test('should set bit at the given bit Position', () => {
+  const setBitPos = setBit(10, 1)
+  expect(setBitPos).toBe(10)
+})
+
+test('should set bit at the given bit Position', () => {
+  const setBitPos = setBit(10, 2)
+  expect(setBitPos).toBe(14)
+})

From 58fca82ec3b19f84500fb0c5d05443ef043f21d2 Mon Sep 17 00:00:00 2001
From: AbhinavXT <abhinavpathaka17@gmail.com>
Date: Mon, 5 Jul 2021 11:09:46 +0530
Subject: [PATCH 2/3] Changed Test statement

---
 Bit-Manipulation/test/SetBit.test.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Bit-Manipulation/test/SetBit.test.js b/Bit-Manipulation/test/SetBit.test.js
index 7a4d0dcd7..f16e32929 100644
--- a/Bit-Manipulation/test/SetBit.test.js
+++ b/Bit-Manipulation/test/SetBit.test.js
@@ -1,21 +1,21 @@
 import { setBit } from '../SetBit'
 
-test('should set bit at the given bit Position', () => {
+test('Set bit number 0 in 1:', () => {
   const setBitPos = setBit(1, 0)
   expect(setBitPos).toBe(1)
 })
 
-test('should set bit at the given bit Position', () => {
+test('Set bit number 0 in 1:', () => {
   const setBitPos = setBit(1, 0)
   expect(setBitPos).toBe(1)
 })
 
-test('should set bit at the given bit Position', () => {
+test('Set bit number 0 in 1:', () => {
   const setBitPos = setBit(10, 1)
   expect(setBitPos).toBe(10)
 })
 
-test('should set bit at the given bit Position', () => {
+test('Set bit number 0 in 1:', () => {
   const setBitPos = setBit(10, 2)
   expect(setBitPos).toBe(14)
 })

From 504dbb0c30475ccb5996f49ec4610fde4a6cae98 Mon Sep 17 00:00:00 2001
From: AbhinavXT <abhinavpathaka17@gmail.com>
Date: Mon, 5 Jul 2021 16:25:23 +0530
Subject: [PATCH 3/3] Statement changes Added

---
 Bit-Manipulation/test/SetBit.test.js | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Bit-Manipulation/test/SetBit.test.js b/Bit-Manipulation/test/SetBit.test.js
index f16e32929..0fc0a1d4b 100644
--- a/Bit-Manipulation/test/SetBit.test.js
+++ b/Bit-Manipulation/test/SetBit.test.js
@@ -5,17 +5,17 @@ test('Set bit number 0 in 1:', () => {
   expect(setBitPos).toBe(1)
 })
 
-test('Set bit number 0 in 1:', () => {
-  const setBitPos = setBit(1, 0)
-  expect(setBitPos).toBe(1)
+test('Set bit number 0 in 2:', () => {
+  const setBitPos = setBit(2, 0)
+  expect(setBitPos).toBe(3)
 })
 
-test('Set bit number 0 in 1:', () => {
+test('Set bit number 1 in 10:', () => {
   const setBitPos = setBit(10, 1)
   expect(setBitPos).toBe(10)
 })
 
-test('Set bit number 0 in 1:', () => {
+test('Set bit number 2 in 10:', () => {
   const setBitPos = setBit(10, 2)
   expect(setBitPos).toBe(14)
 })