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metamask-extension/ui/app/components/send/send-content/send-amount-row/amount-max-button/tests/amount-max-button-utils.test.js
Alexander Tseung 4c87c05a02
Fix rounding issue when sending max tokens (#5695)
* Fix rounding issue when sending max tokens

* Ensure amount row shows exact amount of max tokens on send screen (#2)

* Fix tests

* Change stored redux value from BigNumber to hex string. Fix TokenInput default value
2018-11-19 16:06:34 -08:00

28 lines
662 B
JavaScript

import assert from 'assert'
import {
calcMaxAmount,
} from '../amount-max-button.utils.js'
describe('amount-max-button utils', () => {
describe('calcMaxAmount()', () => {
it('should calculate the correct amount when no selectedToken defined', () => {
assert.deepEqual(calcMaxAmount({
balance: 'ffffff',
gasTotal: 'ff',
selectedToken: false,
}), 'ffff00')
})
it('should calculate the correct amount when a selectedToken is defined', () => {
assert.deepEqual(calcMaxAmount({
selectedToken: {
decimals: 10,
},
tokenBalance: '64',
}), 'e8d4a51000')
})
})
})