node/deps/npm/node_modules/is-date-object/test.js
isaacs 1721034a40 deps: upgrade npm to 6.10.0
PR-URL: https://github.com/nodejs/node/pull/28525
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
2019-07-18 15:12:49 -07:00

34 lines
1.2 KiB
JavaScript

'use strict';
var test = require('tape');
var isDate = require('./');
var hasSymbols = typeof Symbol === 'function' && typeof Symbol() === 'symbol';
test('not Dates', function (t) {
t.notOk(isDate(), 'undefined is not Date');
t.notOk(isDate(null), 'null is not Date');
t.notOk(isDate(false), 'false is not Date');
t.notOk(isDate(true), 'true is not Date');
t.notOk(isDate(42), 'number is not Date');
t.notOk(isDate('foo'), 'string is not Date');
t.notOk(isDate([]), 'array is not Date');
t.notOk(isDate({}), 'object is not Date');
t.notOk(isDate(function () {}), 'function is not Date');
t.notOk(isDate(/a/g), 'regex literal is not Date');
t.notOk(isDate(new RegExp('a', 'g')), 'regex object is not Date');
t.end();
});
test('@@toStringTag', { skip: !hasSymbols || !Symbol.toStringTag }, function (t) {
var realDate = new Date();
var fakeDate = { toString: function () { return String(realDate); }, valueOf: function () { return realDate.getTime(); } };
fakeDate[Symbol.toStringTag] = 'Date';
t.notOk(isDate(fakeDate), 'fake Date with @@toStringTag "Date" is not Date');
t.end();
});
test('Dates', function (t) {
t.ok(isDate(new Date()), 'new Date() is Date');
t.end();
});