import { BigNumber } from './bignumber'; import { formatNumber } from './format-number'; describe('formatNumber and formatNumberPercentage', () => { it.each([ { v: new BigNumber(123), d: 3, o: '123.00' }, { v: new BigNumber(123.123), d: 3, o: '123.123' }, { v: new BigNumber(123.123), d: 6, o: '123.123' }, { v: new BigNumber(123.123), d: 0, o: '123' }, { v: new BigNumber(123), d: undefined, o: '123.00' }, // it default to 2 decimal places { v: new BigNumber(30000), d: undefined, o: '30,000.00' }, { v: new BigNumber(3.000001), d: undefined, o: '3.000001' }, ])(`formats given number with decimals correctly`, ({ v, d, o }) => { expect(formatNumber(v, d)).toStrictEqual(o); }); });