Files
lodash/test/toLength.spec.ts
2023-09-16 14:47:50 -07:00

23 lines
765 B
TypeScript

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