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intl.numberformat.test.js
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intl.numberformat.test.js
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/*
* Titanium SDK
* Copyright TiDev, Inc. 04/07/2022-Present. All Rights Reserved.
* Licensed under the terms of the Apache Public License
* Please see the LICENSE included with this distribution for details.
*/
/* global OS_IOS, OS_VERSION_MAJOR */
/* eslint-env mocha */
/* eslint no-unused-expressions: "off" */
'use strict';
const should = require('./utilities/assertions');
describe('Intl.NumberFormat', () => {
it('#constructor()', () => {
should(Intl.NumberFormat).not.be.undefined();
should(Intl.NumberFormat).be.a.Function();
should(Intl.NumberFormat.prototype.constructor).not.be.undefined();
should(Intl.NumberFormat.prototype.constructor).be.a.Function();
should(Intl.NumberFormat.prototype.constructor === Intl.NumberFormat).be.true();
should(new Intl.NumberFormat()).be.an.Object();
should(new Intl.NumberFormat('en-US')).be.an.Object();
should(new Intl.NumberFormat([ 'en-US' ])).be.an.Object();
should(new Intl.NumberFormat([ 'en-US', 'de-DE' ])).be.an.Object();
should(new Intl.NumberFormat(undefined, { style: 'decimal' })).be.an.Object();
should(new Intl.NumberFormat('en-US', { style: 'decimal' })).be.an.Object();
should(new Intl.NumberFormat([ 'en-US' ], { style: 'decimal' })).be.an.Object();
should(new Intl.NumberFormat([ 'en-US', 'de-DE' ], { style: 'decimal' })).be.an.Object();
});
describe('#format()', () => {
it('validate function', () => {
const formatter = new Intl.NumberFormat();
should(formatter.format).not.be.undefined();
should(formatter.format).be.a.Function();
should(formatter.format(123.456)).be.a.String();
});
it('useGrouping', () => {
const numericValue = 1234567.8;
let formatter = new Intl.NumberFormat('en-US', { useGrouping: false });
should(formatter.format(numericValue)).be.eql('1234567.8');
formatter = new Intl.NumberFormat('en-US', { useGrouping: true });
should(formatter.format(numericValue)).be.eql('1,234,567.8');
formatter = new Intl.NumberFormat('de-DE', { useGrouping: false });
should(formatter.format(numericValue)).be.eql('1234567,8');
formatter = new Intl.NumberFormat('de-DE', { useGrouping: true });
should(formatter.format(numericValue)).be.eql('1.234.567,8');
});
it('maximumSignificantDigits', () => {
const formatter = new Intl.NumberFormat('en-US', {
maximumSignificantDigits: 3,
useGrouping: false
});
should(formatter.format(12345.6)).be.eql('12300');
should(formatter.format(-12345.6)).be.eql('-12300');
should(formatter.format(1.23456)).be.eql('1.23');
should(formatter.format(-1.23456)).be.eql('-1.23');
should(formatter.format(5555.55)).be.eql('5560');
should(formatter.format(-5555.55)).be.eql('-5560');
});
it('minimumIntegerDigits', () => {
const formatter = new Intl.NumberFormat('en-US', {
minimumIntegerDigits: 3,
useGrouping: false
});
should(formatter.format(0)).be.eql('000');
should(formatter.format(1.23)).be.eql('001.23');
should(formatter.format(12345)).be.eql('12345');
});
it('maximumFractionDigits', () => {
const formatter = new Intl.NumberFormat('en-US', {
maximumFractionDigits: 3,
useGrouping: false
});
should(formatter.format(1.2345678)).be.eql('1.235');
should(formatter.format(-1.2345678)).be.eql('-1.235');
should(formatter.format(123)).be.eql('123');
should(formatter.format(0.1)).be.eql('0.1');
});
it('minimumFractionDigits', () => {
const formatter = new Intl.NumberFormat('en-US', {
minimumFractionDigits: 3,
useGrouping: false
});
should(formatter.format(123)).be.eql('123.000');
should(formatter.format(0.1)).be.eql('0.100');
});
it('currency', () => {
const options = {
style: 'currency',
maximumFractionDigits: 2,
minimumFractionDigits: 2,
useGrouping: true
};
let formatter = new Intl.NumberFormat('en-US', Object.assign({ currency: 'USD' }, options));
should(formatter.format(1000)).be.eql('$1,000.00');
formatter = new Intl.NumberFormat('en-US', Object.assign({ currency: 'EUR' }, options));
should(formatter.format(1000)).be.eql('€1,000.00');
formatter = new Intl.NumberFormat('de-DE', Object.assign({ currency: 'EUR' }, options));
should(formatter.format(1000)).be.eql('1.000,00\u00A0€');
formatter = new Intl.NumberFormat('de-DE', Object.assign({ currency: 'USD' }, options));
should(formatter.format(1000)).be.eql('1.000,00\u00A0$');
});
it('percent', () => {
const formatter = new Intl.NumberFormat('en-US', {
style: 'percent',
maximumFractionDigits: 1,
useGrouping: false
});
should(formatter.format(0.25)).be.eql('25%');
should(formatter.format(-0.25)).be.eql('-25%');
should(formatter.format(1.0)).be.eql('100%');
should(formatter.format(12.345)).be.eql('1234.5%');
should(formatter.format(12.3456)).be.eql('1234.6%');
should(formatter.format(-12.3456)).be.eql('-1234.6%');
});
it.android('engineering notation', () => {
const numericValue = 123456.7;
let formatter = new Intl.NumberFormat('en-US', { notation: 'engineering' });
should(formatter.format(numericValue)).be.eql('123.457E3');
formatter = new Intl.NumberFormat('de-DE', { notation: 'engineering' });
should(formatter.format(numericValue)).be.eql('123,457E3');
});
it.android('scientific notation', () => {
const numericValue = 123456.7;
let formatter = new Intl.NumberFormat('en-US', { notation: 'scientific' });
should(formatter.format(numericValue)).be.eql('1.235E5');
formatter = new Intl.NumberFormat('de-DE', { notation: 'scientific' });
should(formatter.format(numericValue)).be.eql('1,235E5');
});
});
describe('#formatToParts()', () => {
before(function () {
if (OS_IOS && (OS_VERSION_MAJOR < 13)) {
this.skip();
}
});
it('validate function', () => {
const formatter = new Intl.NumberFormat();
should(formatter.formatToParts).not.be.undefined();
should(formatter.formatToParts).be.a.Function();
should(formatter.formatToParts(123.456)).be.an.Array();
});
it('decimal', () => {
let formatter = new Intl.NumberFormat('en-US', { useGrouping: true });
let partsArray = formatter.formatToParts(-1234567.8);
should(partsArray).be.an.Array();
should(partsArray).be.eql([
{ type: 'minusSign', value: '-' },
{ type: 'integer', value: '1' },
{ type: 'group', value: ',' },
{ type: 'integer', value: '234' },
{ type: 'group', value: ',' },
{ type: 'integer', value: '567' },
{ type: 'decimal', value: '.' },
{ type: 'fraction', value: '8' }
]);
formatter = new Intl.NumberFormat('de-DE', { useGrouping: true });
partsArray = formatter.formatToParts(-1234567.8);
should(partsArray).be.an.Array();
should(partsArray).be.eql([
{ type: 'minusSign', value: '-' },
{ type: 'integer', value: '1' },
{ type: 'group', value: '.' },
{ type: 'integer', value: '234' },
{ type: 'group', value: '.' },
{ type: 'integer', value: '567' },
{ type: 'decimal', value: ',' },
{ type: 'fraction', value: '8' }
]);
});
it('currency', () => {
const options = {
style: 'currency',
maximumFractionDigits: 0,
minimumFractionDigits: 0,
useGrouping: true
};
let formatter = new Intl.NumberFormat('en-US', Object.assign({ currency: 'USD' }, options));
let partsArray = formatter.formatToParts(100);
should(partsArray).be.an.Array();
should(partsArray).be.eql([
{ type: 'currency', value: '$' },
{ type: 'integer', value: '100' }
]);
formatter = new Intl.NumberFormat('de-DE', Object.assign({ currency: 'EUR' }, options));
partsArray = formatter.formatToParts(100);
should(partsArray).be.an.Array();
should(partsArray).be.eql([
{ type: 'integer', value: '100' },
{ type: 'literal', value: '\u00A0' }, // Non-breaking space.
{ type: 'currency', value: '€' }
]);
});
});
it('#resolvedOptions()', () => {
const formatter = new Intl.NumberFormat();
should(formatter.resolvedOptions).not.be.undefined();
should(formatter.resolvedOptions).be.a.Function();
should(formatter.resolvedOptions()).be.an.Object();
});
describe('#supportedLocalesOf()', () => {
it('is a Function', () => {
should(Intl.NumberFormat.supportedLocalesOf).not.be.undefined();
should(Intl.NumberFormat.supportedLocalesOf).be.a.Function();
});
it('empty Array', () => {
const locales = Intl.NumberFormat.supportedLocalesOf([]);
should(locales).be.an.Array();
should(locales.length).be.eql(0);
});
it('Array with 1 String', () => {
const locales = Intl.NumberFormat.supportedLocalesOf([ 'en-US' ]);
should(locales).be.an.Array();
should(locales.length).be.eql(1);
should(locales[0]).be.eql('en-US');
});
it('Array with 2 Strings', () => {
const locales = Intl.NumberFormat.supportedLocalesOf([ 'en-US', 'de-DE' ]);
should(locales).be.an.Array();
should(locales.length).be.eql(2);
should(locales[0]).be.eql('en-US');
should(locales[1]).be.eql('de-DE');
});
it('Array containing invalid locale', () => {
const locales = Intl.NumberFormat.supportedLocalesOf([ 'uh-oh', 'en-US' ]);
should(locales).be.an.Array();
should(locales.length).be.eql(1);
should(locales[0]).be.eql('en-US');
});
});
});