JBZoo\PHPUnit\DatesTest::testIsDate PHP Method

    public function testIsDate()
    {
        isFalse(Dates::is(''));
        isFalse(Dates::is(null));
        isFalse(Dates::is(false));
        // isFalse(Dates::is('-0100')); // WAT????
        isFalse(Dates::is('string'));
        isFalse(Dates::is('1446203259'));
        isFalse(Dates::is(1446203259));
        isTrue(Dates::is('now'));
        isTrue(Dates::is('2015-10-30'));
        isTrue(Dates::is('2015-10-30 11:07:39'));
    }