import { Price } from '@/math';
import BigNumber from 'bignumber.js';

describe('Price', () => {
  describe('.getByAmount', () => {
    test.each`
      amount       | price
      ${undefined} | ${undefined}
      ${undefined} | ${'10'}
      ${'10'}      | ${undefined}
      ${'0'}       | ${'0'}
      ${'0'}       | ${'10'}
      ${'10'}      | ${'0'}
    `(
      'should return 0 for amount $amount and price $price',
      ({ amount, price }) => {
        const result = Price.getByAmount({ amount, price });
        expect(result).toEqual(new BigNumber(0));
      }
    );

    test.each`
      amount            | price           | expected
      ${'1'}            | ${'10'}         | ${10}
      ${2.97194}        | ${'5.5'}        | ${16.34567}
      ${'5'}            | ${0.001}        | ${0.005}
      ${'2.5555555555'} | ${0.0000000001} | ${0.00000000025555555555}
      ${'999999999'}    | ${'999999999'}  | ${'999999998000000001'}
    `(
      'should return $expected for amount $amount and price $price',
      ({ amount, price, expected }) => {
        const result = Price.getByAmount({ amount, price });
        expect(result).toEqual(new BigNumber(expected));
      }
    );
  });
});