mirror of
https://github.com/CorentinTh/it-tools.git
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73 lines
3.1 KiB
TypeScript
73 lines
3.1 KiB
TypeScript
import { expect, describe, it } from 'vitest';
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import { arabicToRoman } from './roman-numeral-converter.service';
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describe('roman-numeral-converter', () => {
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describe('arabicToRoman', () => {
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it('should convert numbers lower than 1 to empty string', () => {
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expect(arabicToRoman(-100)).toEqual('');
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expect(arabicToRoman(-42)).toEqual('');
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expect(arabicToRoman(-26)).toEqual('');
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expect(arabicToRoman(-10)).toEqual('');
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expect(arabicToRoman(0)).toEqual('');
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expect(arabicToRoman(0.5)).toEqual('');
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expect(arabicToRoman(0.9)).toEqual('');
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});
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it('should convert floating points number to the lower integer in roman version', () => {
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expect(arabicToRoman(-100)).toEqual('');
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expect(arabicToRoman(-42)).toEqual('');
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expect(arabicToRoman(-26)).toEqual('');
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expect(arabicToRoman(-10)).toEqual('');
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expect(arabicToRoman(0)).toEqual('');
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expect(arabicToRoman(0.5)).toEqual('');
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expect(arabicToRoman(0.9)).toEqual('');
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});
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it('should convert positive integers to roman numbers', () => {
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expect(arabicToRoman(1)).toEqual('I');
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expect(arabicToRoman(2)).toEqual('II');
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expect(arabicToRoman(3)).toEqual('III');
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expect(arabicToRoman(4)).toEqual('IV');
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expect(arabicToRoman(5)).toEqual('V');
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expect(arabicToRoman(6)).toEqual('VI');
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expect(arabicToRoman(7)).toEqual('VII');
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expect(arabicToRoman(8)).toEqual('VIII');
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expect(arabicToRoman(9)).toEqual('IX');
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expect(arabicToRoman(10)).toEqual('X');
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expect(arabicToRoman(11)).toEqual('XI');
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expect(arabicToRoman(12)).toEqual('XII');
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expect(arabicToRoman(13)).toEqual('XIII');
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expect(arabicToRoman(14)).toEqual('XIV');
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expect(arabicToRoman(15)).toEqual('XV');
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expect(arabicToRoman(16)).toEqual('XVI');
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expect(arabicToRoman(17)).toEqual('XVII');
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expect(arabicToRoman(18)).toEqual('XVIII');
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expect(arabicToRoman(19)).toEqual('XIX');
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expect(arabicToRoman(20)).toEqual('XX');
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expect(arabicToRoman(21)).toEqual('XXI');
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expect(arabicToRoman(24)).toEqual('XXIV');
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expect(arabicToRoman(28)).toEqual('XXVIII');
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expect(arabicToRoman(29)).toEqual('XXIX');
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expect(arabicToRoman(30)).toEqual('XXX');
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expect(arabicToRoman(40)).toEqual('XL');
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expect(arabicToRoman(50)).toEqual('L');
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expect(arabicToRoman(60)).toEqual('LX');
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expect(arabicToRoman(70)).toEqual('LXX');
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expect(arabicToRoman(80)).toEqual('LXXX');
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expect(arabicToRoman(90)).toEqual('XC');
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expect(arabicToRoman(100)).toEqual('C');
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expect(arabicToRoman(200)).toEqual('CC');
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expect(arabicToRoman(300)).toEqual('CCC');
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expect(arabicToRoman(400)).toEqual('CD');
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expect(arabicToRoman(500)).toEqual('D');
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expect(arabicToRoman(600)).toEqual('DC');
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expect(arabicToRoman(700)).toEqual('DCC');
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expect(arabicToRoman(800)).toEqual('DCCC');
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expect(arabicToRoman(900)).toEqual('CM');
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expect(arabicToRoman(999)).toEqual('CMXCIX');
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expect(arabicToRoman(1000)).toEqual('M');
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expect(arabicToRoman(2000)).toEqual('MM');
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expect(arabicToRoman(9000)).toEqual('MMMMMMMMM');
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});
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});
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});
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