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metamask-extension/ui/helpers/utils/conversions.util.test.js

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import { ETH } from '../constants/common';
import * as utils from './conversions.util';
describe('conversion utils', () => {
describe('getWeiHexFromDecimalValue', () => {
it('should correctly convert 0 in ETH', () => {
const weiValue = utils.getWeiHexFromDecimalValue({
value: '0',
fromCurrency: ETH,
fromDenomination: ETH,
});
expect(weiValue).toStrictEqual('0');
});
});
describe('decETHToDecWEI', () => {
it('should correctly convert 1 ETH to WEI', () => {
const weiValue = utils.decETHToDecWEI('1');
expect(weiValue).toStrictEqual('1000000000000000000');
});
it('should correctly convert 0.000000000000000001 ETH to WEI', () => {
const weiValue = utils.decETHToDecWEI('0.000000000000000001');
expect(weiValue).toStrictEqual('1');
});
it('should correctly convert 1000000.000000000000000001 ETH to WEI', () => {
const weiValue = utils.decETHToDecWEI('1000000.000000000000000001');
expect(weiValue).toStrictEqual('1000000000000000000000001');
});
it('should correctly convert 9876.543210 ETH to WEI', () => {
const weiValue = utils.decETHToDecWEI('9876.543210');
expect(weiValue).toStrictEqual('9876543210000000000000');
});
it('should correctly convert 1.0000000000000000 ETH to WEI', () => {
const weiValue = utils.decETHToDecWEI('1.0000000000000000');
expect(weiValue).toStrictEqual('1000000000000000000');
});
});
});