From cba900e62849c7f8e2b7b4c3e40e72b7ab4411ba Mon Sep 17 00:00:00 2001
From: Enoch-Moke <86700309+Enoch-Moke@users.noreply.github.com>
Date: Tue, 27 Jul 2021 15:53:59 +0800
Subject: [PATCH] Create Coordinate.test.js

Previous submission for the similar file in pull request #646 was deleted accidentally. This is a reupload with correct coding that passed local test.
---
 Maths/test/Coordinate.test.js | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 Maths/test/Coordinate.test.js

diff --git a/Maths/test/Coordinate.test.js b/Maths/test/Coordinate.test.js
new file mode 100644
index 000000000..f40d26822
--- /dev/null
+++ b/Maths/test/Coordinate.test.js
@@ -0,0 +1,22 @@
+import * as coordinate from '../Coordinate'
+
+describe('Testing distance2points calculations', () => {
+  it('Should give a numeric output (distance between 2 points) with 4 numeric arguments', () => {
+    const distance2points = coordinate.distance2points(2, 2, -10, -7)
+    expect(distance2points).toBe(15)
+  })
+  it('Should not give any output given non-numeric argument', () => {
+    const distance2points = coordinate.distance2points('ABC', '123', '', '###')
+    expect(distance2points).toBeNaN()
+  })
+  it('Should not give any output given any number of numeric arguments less than 4', () => {
+    const distance2points3arg = coordinate.distance2points(2, 2, -10)    
+    const distance2points2arg = coordinate.distance2points(2, 2)
+    const distance2points1arg = coordinate.distance2points(2)
+    const distance2points0arg = coordinate.distance2points()
+    expect(distance2points3arg).toBeNaN()
+    expect(distance2points2arg).toBeNaN()
+    expect(distance2points1arg).toBeNaN()
+    expect(distance2points0arg).toBeNaN()
+  })
+})