@cainiaofe/cn-ui-m/es/components/cn-date-picker-pro/utils/__tests__/get-start-of-quarter.test.js

## 在线文档

import { dayjs } from "../../../../utils/dayjs";
import { getStartOfQuarter } from '../get-start-of-quarter';
describe('getStartOfQuarter', function () {
    it('should return the start of the first quarter', function () {
        var date = dayjs('2023-02-15');
        var result = getStartOfQuarter(date);
        expect(result.format('YYYY-MM-DD HH:mm:ss')).toBe('2023-01-01 00:00:00');
    });
    it('should return the start of the second quarter', function () {
        var date = dayjs('2023-05-10');
        var result = getStartOfQuarter(date);
        expect(result.format('YYYY-MM-DD HH:mm:ss')).toBe('2023-04-01 00:00:00');
    });
    it('should return the start of the third quarter', function () {
        var date = dayjs('2023-08-20');
        var result = getStartOfQuarter(date);
        expect(result.format('YYYY-MM-DD HH:mm:ss')).toBe('2023-07-01 00:00:00');
    });
    it('should return the start of the fourth quarter', function () {
        var date = dayjs('2023-11-25');
        var result = getStartOfQuarter(date);
        expect(result.format('YYYY-MM-DD HH:mm:ss')).toBe('2023-10-01 00:00:00');
    });
});