| Leo Repp | 58b9f11 | 2021-11-22 11:57:47 +0100 | [diff] [blame^] | 1 | 'use strict'; |
| 2 | |
| 3 | var test = require('tape'); |
| 4 | var isNegativeZero = require('../'); |
| 5 | |
| 6 | test('not negative zero', function (t) { |
| 7 | t.notOk(isNegativeZero(), 'undefined is not negative zero'); |
| 8 | t.notOk(isNegativeZero(null), 'null is not negative zero'); |
| 9 | t.notOk(isNegativeZero(false), 'false is not negative zero'); |
| 10 | t.notOk(isNegativeZero(true), 'true is not negative zero'); |
| 11 | t.notOk(isNegativeZero(0), 'positive zero is not negative zero'); |
| 12 | t.notOk(isNegativeZero(Infinity), 'Infinity is not negative zero'); |
| 13 | t.notOk(isNegativeZero(-Infinity), '-Infinity is not negative zero'); |
| 14 | t.notOk(isNegativeZero(NaN), 'NaN is not negative zero'); |
| 15 | t.notOk(isNegativeZero('foo'), 'string is not negative zero'); |
| 16 | t.notOk(isNegativeZero([]), 'array is not negative zero'); |
| 17 | t.notOk(isNegativeZero({}), 'object is not negative zero'); |
| 18 | t.notOk(isNegativeZero(function () {}), 'function is not negative zero'); |
| 19 | t.notOk(isNegativeZero(-1), '-1 is not negative zero'); |
| 20 | |
| 21 | t.end(); |
| 22 | }); |
| 23 | |
| 24 | test('negative zero', function (t) { |
| 25 | t.ok(isNegativeZero(-0), 'negative zero is negative zero'); |
| 26 | t.end(); |
| 27 | }); |
| 28 | |