From 4474922f960525195fc1fbee6e71e3aaebfbc8b0 Mon Sep 17 00:00:00 2001
From: Piotr Idzik <vil02@o2.pl>
Date: Fri, 8 Mar 2024 21:46:42 +0000
Subject: [PATCH 1/2] tests: add missing test of `twinPrime`

---
 Maths/test/TwinPrime.test.js | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/Maths/test/TwinPrime.test.js b/Maths/test/TwinPrime.test.js
index c3e057e10e..fedd2909b3 100644
--- a/Maths/test/TwinPrime.test.js
+++ b/Maths/test/TwinPrime.test.js
@@ -1,10 +1,13 @@
 import { twinPrime } from '../TwinPrime.js'
 
-describe('Twin Primes', () => {
-  it('Should be valid twin primes', () => {
-    expect(twinPrime(3)).toBe(5)
-    expect(twinPrime(5)).toBe(7)
-    expect(twinPrime(4)).toBe(-1)
-    expect(twinPrime(17)).toBe(19)
+describe('twinPrime', () => {
+  it.each([
+    [3, 5],
+    [5, 7],
+    [7, -1],
+    [4, -1],
+    [17, 19]
+  ])('for input %i returns %i', (n, expected) => {
+    expect(twinPrime(n)).toBe(expected)
   })
 })

From 9456fd6cec31b6040d0692b17ac3328ab7794242 Mon Sep 17 00:00:00 2001
From: Piotr Idzik <vil02@o2.pl>
Date: Mon, 11 Mar 2024 03:41:08 +0000
Subject: [PATCH 2/2] feat: remove `twinPrime`

---
 Maths/TwinPrime.js           | 29 -----------------------------
 Maths/test/TwinPrime.test.js | 13 -------------
 2 files changed, 42 deletions(-)
 delete mode 100644 Maths/TwinPrime.js
 delete mode 100644 Maths/test/TwinPrime.test.js

diff --git a/Maths/TwinPrime.js b/Maths/TwinPrime.js
deleted file mode 100644
index 0bb17e0ebe..0000000000
--- a/Maths/TwinPrime.js
+++ /dev/null
@@ -1,29 +0,0 @@
-import { PrimeCheck } from './PrimeCheck'
-
-/**
- * @function twinPrime
- * Gets the 'twin prime' of a prime number.
- *
- * @param {Integer} n The number to find the twin prime of.
- * @returns {Integer} Either the twin, or -1 if n or n + 2 is not prime.
- *
- * @see https://en.wikipedia.org/wiki/Twin_prime
- *
- * @example twinPrime(5) = 7
- * @example twinPrime(4) = -1
- */
-function twinPrime(n) {
-  const prime = PrimeCheck(n)
-
-  if (!prime) {
-    return -1
-  }
-
-  if (!PrimeCheck(n + 2)) {
-    return -1
-  }
-
-  return n + 2
-}
-
-export { twinPrime }
diff --git a/Maths/test/TwinPrime.test.js b/Maths/test/TwinPrime.test.js
deleted file mode 100644
index fedd2909b3..0000000000
--- a/Maths/test/TwinPrime.test.js
+++ /dev/null
@@ -1,13 +0,0 @@
-import { twinPrime } from '../TwinPrime.js'
-
-describe('twinPrime', () => {
-  it.each([
-    [3, 5],
-    [5, 7],
-    [7, -1],
-    [4, -1],
-    [17, 19]
-  ])('for input %i returns %i', (n, expected) => {
-    expect(twinPrime(n)).toBe(expected)
-  })
-})