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);
    });
});