diff --git a/Maths/GetEuclidGCD.js b/Maths/GetEuclidGCD.js
index 5499057d78..31eeab42ec 100644
--- a/Maths/GetEuclidGCD.js
+++ b/Maths/GetEuclidGCD.js
@@ -8,7 +8,6 @@ export function GetEuclidGCD(a, b) {
if (typeof a !== 'number' || typeof b !== 'number') {
throw new TypeError('Arguments must be numbers')
}
- if (a === 0 && b === 0) return undefined // infinitely many numbers divide 0
a = Math.abs(a)
b = Math.abs(b)
while (b !== 0) {
diff --git a/Maths/test/GetEuclidGCD.test.js b/Maths/test/GetEuclidGCD.test.js
index 1639d9cb7f..a6c7cb22e6 100644
--- a/Maths/test/GetEuclidGCD.test.js
+++ b/Maths/test/GetEuclidGCD.test.js
@@ -1,12 +1,22 @@
import { GetEuclidGCD } from '../GetEuclidGCD'
-function testEuclidGCD(n, m, expected) {
- test('Testing on ' + n + ' and ' + m + '!', () => {
- expect(GetEuclidGCD(n, m)).toBe(expected)
+describe('GetEuclidGCD', () => {
+ it.each([
+ [5, 20, 5],
+ [109, 902, 1],
+ [290, 780, 10],
+ [104, 156, 52],
+ [0, 100, 100],
+ [-5, 50, 5],
+ [0, 0, 0],
+ [1, 1234567, 1]
+ ])('returns correct result for %i and %j', (inputA, inputB, expected) => {
+ expect(GetEuclidGCD(inputA, inputB)).toBe(expected)
+ expect(GetEuclidGCD(inputB, inputA)).toBe(expected)
})
-}
-testEuclidGCD(5, 20, 5)
-testEuclidGCD(109, 902, 1)
-testEuclidGCD(290, 780, 10)
-testEuclidGCD(104, 156, 52)
+ it('should throw when any of the inputs is not a number', () => {
+ expect(() => GetEuclidGCD('1', 2)).toThrowError()
+ expect(() => GetEuclidGCD(1, '2')).toThrowError()
+ })
+})
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