core/src/components/datetime/test/helpers.spec.ts - main - githubmirror/ionic

core/src/components/datetime/test/helpers.spec.ts
79 строк3 KB
Liam DeBeasi
feat(datetime): add support for h11 and h24 hour formats (#28219)
28 сен 2023, 18:40
28 сен 2023, 18:40597bc3f
import { isLeapYear, getNumDaysInMonth, is24Hour, isMonthFirstLocale, getHourCycle } from '../utils/helpers';

describe('daysInMonth()', () => {
  it('should return correct days in month for month and year', () => {
    expect(getNumDaysInMonth(1, 2019)).toBe(31);
    expect(getNumDaysInMonth(2, 2019)).toBe(28);
    expect(getNumDaysInMonth(3, 2019)).toBe(31);
    expect(getNumDaysInMonth(4, 2019)).toBe(30);
    expect(getNumDaysInMonth(5, 2019)).toBe(31);
    expect(getNumDaysInMonth(6, 2019)).toBe(30);
    expect(getNumDaysInMonth(7, 2019)).toBe(31);
    expect(getNumDaysInMonth(8, 2019)).toBe(31);
    expect(getNumDaysInMonth(9, 2019)).toBe(30);
    expect(getNumDaysInMonth(10, 2019)).toBe(31);
    expect(getNumDaysInMonth(11, 2019)).toBe(30);
    expect(getNumDaysInMonth(12, 2019)).toBe(31);
    expect(getNumDaysInMonth(2, 2020)).toBe(29);

    expect(getNumDaysInMonth(2, 2021)).toBe(28);
    expect(getNumDaysInMonth(2, 1900)).toBe(28);
    expect(getNumDaysInMonth(2, 1800)).toBe(28);
    expect(getNumDaysInMonth(2, 2400)).toBe(29);
  });
});

describe('isLeapYear()', () => {
  it('should return true if year is leapyear', () => {
    expect(isLeapYear(2096)).toBe(true);
    expect(isLeapYear(2021)).toBe(false);
    expect(isLeapYear(2012)).toBe(true);

    expect(isLeapYear(2000)).toBe(true);
    expect(isLeapYear(1900)).toBe(false);
    expect(isLeapYear(1800)).toBe(false);
  });
});

describe('is24Hour()', () => {
  it('should return true if the locale uses 24 hour time', () => {
    expect(is24Hour('h11')).toBe(false);
    expect(is24Hour('h12')).toBe(false);
    expect(is24Hour('h23')).toBe(true);
    expect(is24Hour('h24')).toBe(true);
  });
});

describe('getHourCycle()', () => {
  it('should return the correct hour cycle', () => {
    expect(getHourCycle('en-US')).toBe('h12');
    expect(getHourCycle('en-US', 'h23')).toBe('h23');
    expect(getHourCycle('en-US', 'h12')).toBe('h12');
    expect(getHourCycle('en-US-u-hc-h23')).toBe('h23');
    expect(getHourCycle('en-GB')).toBe('h23');
    expect(getHourCycle('en-GB', 'h23')).toBe('h23');
    expect(getHourCycle('en-GB', 'h12')).toBe('h12');
    expect(getHourCycle('en-GB-u-hc-h12')).toBe('h12');

    expect(getHourCycle('en-GB', 'h11')).toBe('h11');
    expect(getHourCycle('en-GB-u-hc-h11')).toBe('h11');

    expect(getHourCycle('en-GB', 'h24')).toBe('h24');
    expect(getHourCycle('en-GB-u-hc-h24')).toBe('h24');
  });
});

describe('isMonthFirstLocale()', () => {
  it('should return true if the locale shows months first', () => {
    expect(isMonthFirstLocale('en-US')).toBe(true);
    expect(isMonthFirstLocale('en-GB')).toBe(true);
    expect(isMonthFirstLocale('es-ES')).toBe(true);
    expect(isMonthFirstLocale('ro-RO')).toBe(true);
  });

  it('should return false if the locale shows years first', () => {
    expect(isMonthFirstLocale('zh-CN')).toBe(false);
    expect(isMonthFirstLocale('ja-JP')).toBe(false);
    expect(isMonthFirstLocale('ko-KR')).toBe(false);
  });
});