| Leo Repp | 58b9f11 | 2021-11-22 11:57:47 +0100 | [diff] [blame^] | 1 | 'use strict'; |
| 2 | |
| 3 | var test = require('tape'); |
| 4 | var isDate = require('../'); |
| 5 | var hasSymbols = typeof Symbol === 'function' && typeof Symbol('') === 'symbol'; |
| 6 | |
| 7 | test('not Dates', function (t) { |
| 8 | t.notOk(isDate(), 'undefined is not Date'); |
| 9 | t.notOk(isDate(null), 'null is not Date'); |
| 10 | t.notOk(isDate(false), 'false is not Date'); |
| 11 | t.notOk(isDate(true), 'true is not Date'); |
| 12 | t.notOk(isDate(42), 'number is not Date'); |
| 13 | t.notOk(isDate('foo'), 'string is not Date'); |
| 14 | t.notOk(isDate([]), 'array is not Date'); |
| 15 | t.notOk(isDate({}), 'object is not Date'); |
| 16 | t.notOk(isDate(function () {}), 'function is not Date'); |
| 17 | t.notOk(isDate(/a/g), 'regex literal is not Date'); |
| 18 | t.notOk(isDate(new RegExp('a', 'g')), 'regex object is not Date'); |
| 19 | t.end(); |
| 20 | }); |
| 21 | |
| 22 | test('@@toStringTag', { skip: !hasSymbols || !Symbol.toStringTag }, function (t) { |
| 23 | var realDate = new Date(); |
| 24 | var fakeDate = { |
| 25 | toString: function () { return String(realDate); }, |
| 26 | valueOf: function () { return realDate.getTime(); } |
| 27 | }; |
| 28 | fakeDate[Symbol.toStringTag] = 'Date'; |
| 29 | t.notOk(isDate(fakeDate), 'fake Date with @@toStringTag "Date" is not Date'); |
| 30 | t.end(); |
| 31 | }); |
| 32 | |
| 33 | test('Dates', function (t) { |
| 34 | t.ok(isDate(new Date()), 'new Date() is Date'); |
| 35 | t.end(); |
| 36 | }); |