119 lines
6.2 KiB
TypeScript
119 lines
6.2 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import localeEn from '@angular/common/locales/en';
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import localeEsUS from '@angular/common/locales/es-US';
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import localeFr from '@angular/common/locales/fr';
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import localeAr from '@angular/common/locales/ar';
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import {formatCurrency, formatNumber, formatPercent, registerLocaleData} from '@angular/common';
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import {describe, expect, it} from '@angular/core/testing/src/testing_internal';
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import {ɵDEFAULT_LOCALE_ID as DEFAULT_LOCALE_ID} from '@angular/core';
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describe('Format number', () => {
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beforeAll(() => {
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registerLocaleData(localeEn);
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registerLocaleData(localeEsUS);
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registerLocaleData(localeFr);
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registerLocaleData(localeAr);
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});
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describe('Number', () => {
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describe('transform', () => {
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it('should return correct value for numbers', () => {
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expect(formatNumber(12345, DEFAULT_LOCALE_ID)).toEqual('12,345');
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expect(formatNumber(123, DEFAULT_LOCALE_ID, '.2')).toEqual('123.00');
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expect(formatNumber(1, DEFAULT_LOCALE_ID, '3.')).toEqual('001');
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expect(formatNumber(1.1, DEFAULT_LOCALE_ID, '3.4-5')).toEqual('001.1000');
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expect(formatNumber(1.123456, DEFAULT_LOCALE_ID, '3.4-5')).toEqual('001.12346');
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expect(formatNumber(1.1234, DEFAULT_LOCALE_ID)).toEqual('1.123');
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expect(formatNumber(1.123456, DEFAULT_LOCALE_ID, '.2')).toEqual('1.123');
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expect(formatNumber(1.123456, DEFAULT_LOCALE_ID, '.4')).toEqual('1.1235');
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});
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it('should throw if minFractionDigits is explicitly higher than maxFractionDigits', () => {
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expect(() => formatNumber(1.1, DEFAULT_LOCALE_ID, '3.4-2'))
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.toThrowError(/is higher than the maximum/);
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});
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});
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describe('transform with custom locales', () => {
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it('should return the correct format for es-US',
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() => { expect(formatNumber(9999999.99, 'es-US', '1.2-2')).toEqual('9,999,999.99'); });
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});
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});
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describe('Percent', () => {
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describe('transform', () => {
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it('should return correct value for numbers', () => {
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expect(formatPercent(1.23, DEFAULT_LOCALE_ID)).toEqual('123%');
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expect(formatPercent(1.2, DEFAULT_LOCALE_ID, '.2')).toEqual('120.00%');
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expect(formatPercent(1.2, DEFAULT_LOCALE_ID, '4.2')).toEqual('0,120.00%');
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expect(formatPercent(1.2, 'fr', '4.2')).toEqual('0 120,00 %');
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expect(formatPercent(1.2, 'ar', '4.2')).toEqual('0,120.00%');
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// see issue #20136
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expect(formatPercent(0.12345674, DEFAULT_LOCALE_ID, '0.0-10')).toEqual('12.345674%');
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expect(formatPercent(0, DEFAULT_LOCALE_ID, '0.0-10')).toEqual('0%');
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expect(formatPercent(0.00, DEFAULT_LOCALE_ID, '0.0-10')).toEqual('0%');
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expect(formatPercent(1, DEFAULT_LOCALE_ID, '0.0-10')).toEqual('100%');
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expect(formatPercent(0.1, DEFAULT_LOCALE_ID, '0.0-10')).toEqual('10%');
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expect(formatPercent(0.12, DEFAULT_LOCALE_ID, '0.0-10')).toEqual('12%');
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expect(formatPercent(0.123, DEFAULT_LOCALE_ID, '0.0-10')).toEqual('12.3%');
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expect(formatPercent(12.3456, DEFAULT_LOCALE_ID, '0.0-10')).toEqual('1,234.56%');
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expect(formatPercent(12.345600, DEFAULT_LOCALE_ID, '0.0-10')).toEqual('1,234.56%');
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expect(formatPercent(12.345699999, DEFAULT_LOCALE_ID, '0.0-6')).toEqual('1,234.57%');
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expect(formatPercent(12.345699999, DEFAULT_LOCALE_ID, '0.4-6')).toEqual('1,234.5700%');
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expect(formatPercent(100, DEFAULT_LOCALE_ID, '0.4-6')).toEqual('10,000.0000%');
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expect(formatPercent(100, DEFAULT_LOCALE_ID, '0.0-10')).toEqual('10,000%');
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expect(formatPercent(1.5e2, DEFAULT_LOCALE_ID)).toEqual('15,000%');
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expect(formatPercent(1e100, DEFAULT_LOCALE_ID)).toEqual('1E+102%');
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});
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});
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});
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describe('Currency', () => {
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const defaultCurrencyCode = 'USD';
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describe('transform', () => {
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it('should return correct value for numbers', () => {
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expect(formatCurrency(123, DEFAULT_LOCALE_ID, '$')).toEqual('$123.00');
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expect(formatCurrency(12, DEFAULT_LOCALE_ID, 'EUR', 'EUR', '.1')).toEqual('EUR12.0');
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expect(formatCurrency(
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5.1234, DEFAULT_LOCALE_ID, defaultCurrencyCode, defaultCurrencyCode, '.0-3'))
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.toEqual('USD5.123');
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expect(formatCurrency(5.1234, DEFAULT_LOCALE_ID, defaultCurrencyCode)).toEqual('USD5.12');
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expect(formatCurrency(5.1234, DEFAULT_LOCALE_ID, '$')).toEqual('$5.12');
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expect(formatCurrency(5.1234, DEFAULT_LOCALE_ID, 'CA$')).toEqual('CA$5.12');
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expect(formatCurrency(5.1234, DEFAULT_LOCALE_ID, '$')).toEqual('$5.12');
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expect(formatCurrency(5.1234, DEFAULT_LOCALE_ID, '$', defaultCurrencyCode, '5.2-2'))
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.toEqual('$00,005.12');
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expect(formatCurrency(5.1234, 'fr', '$', defaultCurrencyCode, '5.2-2'))
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.toEqual('00 005,12 $');
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expect(formatCurrency(5, 'fr', '$US', defaultCurrencyCode)).toEqual('5,00 $US');
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});
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it('should support any currency code name', () => {
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// currency code is unknown, default formatting options will be used
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expect(formatCurrency(5.1234, DEFAULT_LOCALE_ID, 'unexisting_ISO_code'))
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.toEqual('unexisting_ISO_code5.12');
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// currency code is USD, the pipe will format based on USD but will display "Custom name"
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expect(formatCurrency(5.1234, DEFAULT_LOCALE_ID, 'Custom name')).toEqual('Custom name5.12');
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});
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it('should round to the default number of digits if no digitsInfo', () => {
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// IDR has a default number of digits of 0
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expect(formatCurrency(5.1234, DEFAULT_LOCALE_ID, 'IDR', 'IDR')).toEqual('IDR5');
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expect(formatCurrency(5.1234, DEFAULT_LOCALE_ID, 'IDR', 'IDR', '.2')).toEqual('IDR5.12');
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expect(formatCurrency(5.1234, DEFAULT_LOCALE_ID, 'Custom name', 'IDR'))
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.toEqual('Custom name5');
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// BHD has a default number of digits of 3
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expect(formatCurrency(5.1234, DEFAULT_LOCALE_ID, 'BHD', 'BHD')).toEqual('BHD5.123');
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expect(formatCurrency(5.1234, DEFAULT_LOCALE_ID, 'BHD', 'BHD', '.1-2')).toEqual('BHD5.12');
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});
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});
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});
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});
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