mirror of
https://github.com/Xahau/xahau.js.git
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da9feffada
* Removed deprecated functions from client.ts * Renamed files to be camelCase * Created top-level utils folder and tied all sub-references to it * Grouped tests for those utils into their own section Co-authored-by: Nathan Nichols <natenichols@cox.net>
124 lines
3.6 KiB
TypeScript
124 lines
3.6 KiB
TypeScript
import assert from 'assert-diff'
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import BigNumber from 'bignumber.js'
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import {dropsToXrp} from '../../src/utils'
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describe('Drops To XRP', function () {
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it('works with a typical amount', () => {
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const xrp = dropsToXrp('2000000')
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assert.strictEqual(xrp, '2', '2 million drops equals 2 XRP')
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})
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it('works with fractions', () => {
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let xrp = dropsToXrp('3456789')
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assert.strictEqual(xrp, '3.456789', '3,456,789 drops equals 3.456789 XRP')
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xrp = dropsToXrp('3400000')
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assert.strictEqual(xrp, '3.4', '3,400,000 drops equals 3.4 XRP')
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xrp = dropsToXrp('1')
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assert.strictEqual(xrp, '0.000001', '1 drop equals 0.000001 XRP')
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xrp = dropsToXrp('1.0')
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assert.strictEqual(xrp, '0.000001', '1.0 drops equals 0.000001 XRP')
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xrp = dropsToXrp('1.00')
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assert.strictEqual(xrp, '0.000001', '1.00 drops equals 0.000001 XRP')
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})
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it('works with zero', () => {
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let xrp = dropsToXrp('0')
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assert.strictEqual(xrp, '0', '0 drops equals 0 XRP')
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// negative zero is equivalent to zero
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xrp = dropsToXrp('-0')
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assert.strictEqual(xrp, '0', '-0 drops equals 0 XRP')
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xrp = dropsToXrp('0.00')
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assert.strictEqual(xrp, '0', '0.00 drops equals 0 XRP')
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xrp = dropsToXrp('000000000')
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assert.strictEqual(xrp, '0', '000000000 drops equals 0 XRP')
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})
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it('works with a negative value', () => {
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const xrp = dropsToXrp('-2000000')
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assert.strictEqual(xrp, '-2', '-2 million drops equals -2 XRP')
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})
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it('works with a value ending with a decimal point', () => {
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let xrp = dropsToXrp('2000000.')
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assert.strictEqual(xrp, '2', '2000000. drops equals 2 XRP')
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xrp = dropsToXrp('-2000000.')
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assert.strictEqual(xrp, '-2', '-2000000. drops equals -2 XRP')
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})
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it('works with BigNumber objects', () => {
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let xrp = dropsToXrp(new BigNumber(2000000))
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assert.strictEqual(xrp, '2', '(BigNumber) 2 million drops equals 2 XRP')
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xrp = dropsToXrp(new BigNumber(-2000000))
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assert.strictEqual(xrp, '-2', '(BigNumber) -2 million drops equals -2 XRP')
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xrp = dropsToXrp(new BigNumber(2345678))
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assert.strictEqual(
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xrp,
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'2.345678',
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'(BigNumber) 2,345,678 drops equals 2.345678 XRP'
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)
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xrp = dropsToXrp(new BigNumber(-2345678))
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assert.strictEqual(
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xrp,
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'-2.345678',
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'(BigNumber) -2,345,678 drops equals -2.345678 XRP'
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)
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})
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it('works with a number', () => {
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// This is not recommended. Use strings or BigNumber objects to avoid precision errors.
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let xrp = dropsToXrp(2000000)
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assert.strictEqual(xrp, '2', '(number) 2 million drops equals 2 XRP')
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xrp = dropsToXrp(-2000000)
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assert.strictEqual(xrp, '-2', '(number) -2 million drops equals -2 XRP')
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})
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it('throws with an amount with too many decimal places', () => {
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assert.throws(() => {
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dropsToXrp('1.2')
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}, /has too many decimal places/)
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assert.throws(() => {
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dropsToXrp('0.10')
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}, /has too many decimal places/)
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})
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it('throws with an invalid value', () => {
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assert.throws(() => {
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dropsToXrp('FOO')
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}, /invalid value/)
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assert.throws(() => {
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dropsToXrp('1e-7')
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}, /invalid value/)
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assert.throws(() => {
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dropsToXrp('2,0')
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}, /invalid value/)
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assert.throws(() => {
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dropsToXrp('.')
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}, /dropsToXrp: invalid value '\.', should be a BigNumber or string-encoded number\./)
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})
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it('throws with an amount more than one decimal point', () => {
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assert.throws(() => {
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dropsToXrp('1.0.0')
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}, /dropsToXrp: invalid value '1\.0\.0'/)
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assert.throws(() => {
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dropsToXrp('...')
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}, /dropsToXrp: invalid value '\.\.\.'/)
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})
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})
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