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metamask-extension/ui/app/conversion-util.test.js
2018-06-29 16:19:45 +08:00

23 lines
570 B
JavaScript

import assert from 'assert'
import {addCurrencies} from './conversion-util'
describe('conversion utils', () => {
describe('addCurrencies()', () => {
it('add whole numbers', () => {
const result = addCurrencies(3, 9)
assert.equal(result.toNumber(), 12)
})
it('add decimals', () => {
const result = addCurrencies(1.3, 1.9)
assert.equal(result.toNumber(), 3.2)
})
it('add repeating decimals', () => {
const result = addCurrencies(1 / 3, 1 / 9)
assert.equal(result.toNumber(), 0.4444444444444444)
})
})
})