@yoroi/common/lib/module/numbers/atomic-to-decimal.test.js

The Common package of Yoroi SDK

import { atomicToDecimal } from './atomic-to-decimal';
import BigNumber from 'bignumber.js';
describe('atomicToDecimal', () => {
  it.each`
    value            | decimals | expectedBn
    ${''}            | ${20}    | ${new BigNumber(0)}
    ${'0'}           | ${20}    | ${new BigNumber(0)}
    ${'-'}           | ${20}    | ${new BigNumber(0)}
    ${'12345'}       | ${2}     | ${new BigNumber('123.45')}
    ${'100'}         | ${2}     | ${new BigNumber('1')}
    ${'-100'}        | ${2}     | ${new BigNumber('1')}
    ${'100'}         | ${3}     | ${new BigNumber('0.1')}
    ${'1000'}        | ${3}     | ${new BigNumber('1')}
    ${'999999999'}   | ${9}     | ${new BigNumber('0.999999999')}
    ${'1.23e+4'}     | ${2}     | ${new BigNumber('12.34')}
    ${'abcd123efg'}  | ${2}     | ${new BigNumber('1.23')}
    ${'1-2-3-4-5-6'} | ${8}     | ${new BigNumber('0.00123456')}
    ${1234}          | ${2}     | ${new BigNumber('12.34')}
    ${1234n}         | ${2}     | ${new BigNumber('12.34')}
  `('converts "$value" with $decimals decimals correctly', _ref => {
    let {
      value,
      decimals,
      expectedBn
    } = _ref;
    const result = atomicToDecimal({
      value,
      decimals
    });
    expect(result.isEqualTo(expectedBn)).toBe(true);
  });
});
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