@synotech/utils/src/test/math.currency.test.ts

a collection of utilities for internal use

import { MathCurrency } from '../math.currency';

describe('MathCurrency', () => {
	let calculator: MathCurrency;
	beforeAll(() => {
		calculator = new MathCurrency();
	});

	describe('math: add', () => {
		test('adds two numbers correctly', () => {
			expect(calculator.add('10.25', '5.75')).toBe('16.00');
		});

		test('adds multiple numbers correctly', () => {
			expect(calculator.add('10.25', '5.75', '3.50')).toBe('19.50');
		});
	});

	describe('math: subtract', () => {
		test('subtracts two numbers correctly', () => {
			expect(calculator.subtract('10.25', '5.75')).toBe('4.50');
		});

		test('subtracts multiple numbers correctly', () => {
			expect(calculator.subtract('10.25', '5.75', '3.50')).toBe('1.00');
		});
	});

	describe('math: multiply', () => {
		test('multiplies two numbers correctly', () => {
			expect(calculator.multiply('10.25', '2')).toBe('20.50');
		});

		test('math: multiplies multiple numbers correctly', () => {
			expect(calculator.multiply('10.25', '2', '1.5')).toBe('30.75');
		});
	});

	describe('math: divide', () => {
		test('divides two numbers correctly', () => {
			expect(calculator.divide('10.25', '2')).toBe('5.13');
		});

		test('divides multiple numbers correctly', () => {
			expect(calculator.divide('10.25', '2', '1.5')).toBe('3.42');
		});
	});
});