Files
lodash/test/toLength.spec.js
2023-09-16 22:59:56 -07:00

22 lines
675 B
JavaScript

import { MAX_INTEGER, MAX_ARRAY_LENGTH } from './utils';
import toLength from '../src/toLength';
describe('toLength', () => {
it('should return a valid length', () => {
expect(toLength(-1)).toBe(0);
expect(toLength('1')).toBe(1);
expect(toLength(1.1)).toBe(1);
expect(toLength(MAX_INTEGER)).toBe(MAX_ARRAY_LENGTH);
});
it('should return `value` if a valid length', () => {
expect(toLength(0)).toBe(0);
expect(toLength(3)).toBe(3);
expect(toLength(MAX_ARRAY_LENGTH)).toBe(MAX_ARRAY_LENGTH);
});
it('should convert `-0` to `0`', () => {
expect(1 / toLength(-0)).toBe(Infinity);
});
});