@yoroi/common/lib/commonjs/numbers/atomic-breakdown.test.js

The Common package of Yoroi SDK

"use strict";

var _bignumber = _interopRequireDefault(require("bignumber.js"));
var _atomicBreakdown = require("./atomic-breakdown");
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
describe('atomicBreakdown', () => {
  it('should split a bigint into int dec and bn', () => {
    let bigInt = BigInt(123_456_789);
    let decimalPlaces = 3;
    let expected = {
      integer: '123456',
      fraction: '789',
      bn: new _bignumber.default('123456.789'),
      bi: bigInt,
      decimalPlaces,
      str: '123456.789'
    };
    expect((0, _atomicBreakdown.atomicBreakdown)(bigInt, decimalPlaces)).toEqual(expected);
    bigInt = BigInt(987_654_321);
    decimalPlaces = 2;
    expected = {
      integer: '9876543',
      fraction: '21',
      bn: new _bignumber.default('9876543.21'),
      bi: bigInt,
      decimalPlaces,
      str: '9876543.21'
    };
    expect((0, _atomicBreakdown.atomicBreakdown)(bigInt, decimalPlaces)).toEqual(expected);
    bigInt = BigInt(1_432_116_543);
    decimalPlaces = 5;
    expected = {
      integer: '14321',
      fraction: '16543',
      bn: new _bignumber.default('14321.16543'),
      bi: bigInt,
      decimalPlaces,
      str: '14321.16543'
    };
    expect((0, _atomicBreakdown.atomicBreakdown)(bigInt, decimalPlaces)).toEqual(expected);
    bigInt = BigInt(123);
    decimalPlaces = 6;
    expected = {
      integer: '0',
      fraction: '000123',
      bn: new _bignumber.default('0.000123'),
      bi: bigInt,
      decimalPlaces,
      str: '0.000123'
    };
    expect((0, _atomicBreakdown.atomicBreakdown)(bigInt, decimalPlaces)).toEqual(expected);
    bigInt = BigInt(123);
    decimalPlaces = 3;
    expected = {
      integer: '0',
      fraction: '123',
      bn: new _bignumber.default('0.123'),
      bi: bigInt,
      decimalPlaces,
      str: '0.123'
    };
    expect((0, _atomicBreakdown.atomicBreakdown)(bigInt, decimalPlaces)).toEqual(expected);
  });
  it('should handle negative bigint', () => {
    let bigInt = BigInt(-123_456_789);
    let decimalPlaces = 3;
    let expected = {
      integer: '123456',
      fraction: '789',
      bn: new _bignumber.default('-123456.789'),
      bi: bigInt,
      decimalPlaces,
      str: '-123456.789'
    };
    expect((0, _atomicBreakdown.atomicBreakdown)(bigInt, decimalPlaces)).toEqual(expected);
    bigInt = BigInt(-987_654_321);
    decimalPlaces = 2;
    expected = {
      integer: '9876543',
      fraction: '21',
      bn: new _bignumber.default('-9876543.21'),
      bi: bigInt,
      decimalPlaces,
      str: '-9876543.21'
    };
    expect((0, _atomicBreakdown.atomicBreakdown)(bigInt, decimalPlaces)).toEqual(expected);
    bigInt = BigInt(-1_000);
    decimalPlaces = 0;
    expected = {
      integer: '1000',
      fraction: '',
      bn: new _bignumber.default('-1000'),
      bi: bigInt,
      decimalPlaces,
      str: '-1000'
    };
    expect((0, _atomicBreakdown.atomicBreakdown)(bigInt, decimalPlaces)).toEqual(expected);
  });
});
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