1'use strict'; 2 3var test = require('tape'); 4var isDate = require('./'); 5var hasSymbols = typeof Symbol === 'function' && typeof Symbol() === 'symbol'; 6 7test('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 22test('@@toStringTag', { skip: !hasSymbols || !Symbol.toStringTag }, function (t) { 23 var realDate = new Date(); 24 var fakeDate = { toString: function () { return String(realDate); }, valueOf: function () { return realDate.getTime(); } }; 25 fakeDate[Symbol.toStringTag] = 'Date'; 26 t.notOk(isDate(fakeDate), 'fake Date with @@toStringTag "Date" is not Date'); 27 t.end(); 28}); 29 30test('Dates', function (t) { 31 t.ok(isDate(new Date()), 'new Date() is Date'); 32 t.end(); 33}); 34