angular-docs-cn/packages/common/test/i18n/format_number_spec.ts

123 lines
6.3 KiB
TypeScript
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {formatCurrency, formatNumber, formatPercent} from '@angular/common';
import localeAr from '@angular/common/locales/ar';
import localeEn from '@angular/common/locales/en';
import localeEsUS from '@angular/common/locales/es-US';
import localeFr from '@angular/common/locales/fr';
import {ɵDEFAULT_LOCALE_ID, ɵregisterLocaleData, ɵunregisterLocaleData} from '@angular/core';
import {describe, expect, it} from '@angular/core/testing/src/testing_internal';
describe('Format number', () => {
beforeAll(() => {
ɵregisterLocaleData(localeEn);
ɵregisterLocaleData(localeEsUS);
ɵregisterLocaleData(localeFr);
ɵregisterLocaleData(localeAr);
});
afterAll(() => ɵunregisterLocaleData());
describe('Number', () => {
describe('transform', () => {
it('should return correct value for numbers', () => {
expect(formatNumber(12345, ɵDEFAULT_LOCALE_ID)).toEqual('12,345');
expect(formatNumber(123, ɵDEFAULT_LOCALE_ID, '.2')).toEqual('123.00');
expect(formatNumber(1, ɵDEFAULT_LOCALE_ID, '3.')).toEqual('001');
expect(formatNumber(1.1, ɵDEFAULT_LOCALE_ID, '3.4-5')).toEqual('001.1000');
expect(formatNumber(1.123456, ɵDEFAULT_LOCALE_ID, '3.4-5')).toEqual('001.12346');
expect(formatNumber(1.1234, ɵDEFAULT_LOCALE_ID)).toEqual('1.123');
expect(formatNumber(1.123456, ɵDEFAULT_LOCALE_ID, '.2')).toEqual('1.123');
expect(formatNumber(1.123456, ɵDEFAULT_LOCALE_ID, '.4')).toEqual('1.1235');
});
it('should throw if minFractionDigits is explicitly higher than maxFractionDigits', () => {
expect(() => formatNumber(1.1, ɵDEFAULT_LOCALE_ID, '3.4-2'))
.toThrowError(/is higher than the maximum/);
});
});
describe('transform with custom locales', () => {
it('should return the correct format for es-US', () => {
expect(formatNumber(9999999.99, 'es-US', '1.2-2')).toEqual('9,999,999.99');
});
});
});
describe('Percent', () => {
describe('transform', () => {
it('should return correct value for numbers', () => {
expect(formatPercent(1.23, ɵDEFAULT_LOCALE_ID)).toEqual('123%');
expect(formatPercent(1.2, ɵDEFAULT_LOCALE_ID, '.2')).toEqual('120.00%');
expect(formatPercent(1.2, ɵDEFAULT_LOCALE_ID, '4.2')).toEqual('0,120.00%');
expect(formatPercent(1.2, 'fr', '4.2')).toEqual('0\u202f120,00 %');
expect(formatPercent(1.2, 'ar', '4.2')).toEqual('0,120.00%');
// see issue #20136
expect(formatPercent(0.12345674, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('12.345674%');
expect(formatPercent(0, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('0%');
expect(formatPercent(0.00, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('0%');
expect(formatPercent(1, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('100%');
expect(formatPercent(0.1, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('10%');
expect(formatPercent(0.12, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('12%');
expect(formatPercent(0.123, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('12.3%');
expect(formatPercent(12.3456, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('1,234.56%');
expect(formatPercent(12.345600, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('1,234.56%');
expect(formatPercent(12.345699999, ɵDEFAULT_LOCALE_ID, '0.0-6')).toEqual('1,234.57%');
expect(formatPercent(12.345699999, ɵDEFAULT_LOCALE_ID, '0.4-6')).toEqual('1,234.5700%');
expect(formatPercent(100, ɵDEFAULT_LOCALE_ID, '0.4-6')).toEqual('10,000.0000%');
expect(formatPercent(100, ɵDEFAULT_LOCALE_ID, '0.0-10')).toEqual('10,000%');
expect(formatPercent(1.5e2, ɵDEFAULT_LOCALE_ID)).toEqual('15,000%');
expect(formatPercent(1e100, ɵDEFAULT_LOCALE_ID)).toEqual('1E+102%');
});
});
});
describe('Currency', () => {
const defaultCurrencyCode = 'USD';
describe('transform', () => {
it('should return correct value for numbers', () => {
expect(formatCurrency(123, ɵDEFAULT_LOCALE_ID, '$')).toEqual('$123.00');
expect(formatCurrency(12, ɵDEFAULT_LOCALE_ID, 'EUR', 'EUR', '.1')).toEqual('EUR12.0');
expect(formatCurrency(
5.1234, ɵDEFAULT_LOCALE_ID, defaultCurrencyCode, defaultCurrencyCode, '.0-3'))
.toEqual('USD5.123');
expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, defaultCurrencyCode)).toEqual('USD5.12');
expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, '$')).toEqual('$5.12');
expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'CA$')).toEqual('CA$5.12');
expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, '$')).toEqual('$5.12');
expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, '$', defaultCurrencyCode, '5.2-2'))
.toEqual('$00,005.12');
expect(formatCurrency(5.1234, 'fr', '$', defaultCurrencyCode, '5.2-2'))
.toEqual('00\u202f005,12 $');
expect(formatCurrency(5, 'fr', '$US', defaultCurrencyCode)).toEqual('5,00 $US');
});
it('should support any currency code name', () => {
// currency code is unknown, default formatting options will be used
expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'unexisting_ISO_code'))
.toEqual('unexisting_ISO_code5.12');
// currency code is USD, the pipe will format based on USD but will display "Custom name"
expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'Custom name'))
.toEqual('Custom name5.12');
});
it('should round to the default number of digits if no digitsInfo', () => {
// GNF has a default number of digits of 0
expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'GNF', 'GNF')).toEqual('GNF5');
expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'GNF', 'GNF', '.2')).toEqual('GNF5.12');
expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'Custom name', 'GNF'))
.toEqual('Custom name5');
// BHD has a default number of digits of 3
expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'BHD', 'BHD')).toEqual('BHD5.123');
expect(formatCurrency(5.1234, ɵDEFAULT_LOCALE_ID, 'BHD', 'BHD', '.1-2')).toEqual('BHD5.12');
});
});
});
});