@qntm-code/utils
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A collection of useful utility functions with associated TypeScript types. All functions have been unit tested.
16 lines (15 loc) • 675 B
JavaScript
import { getStartOfDay, setStartOfDay } from '../../../src';
describe('getStartOfDay', () => {
it('milliseconds, seconds, minutes, and hour should be set to 0 and the result should be a new Object', () => {
const value = new Date(2020, 8, 3, 15, 31, 22, 123);
const expected = new Date(2020, 8, 3, 0, 0, 0, 0);
const result = getStartOfDay(value);
expect(result).toEqual(expected);
expect(result).not.toBe(value);
});
it('should use the current date if none is given', () => {
const expected = setStartOfDay(new Date());
const result = getStartOfDay();
expect(result).toEqual(expected);
});
});