JBZoo\PHPUnit\DatesTest::testSql PHP Method

    public function testSql()
    {
        $format = Dates::SQL_FORMAT;
        is(date($format, time()), Dates::sql());
        is(date($format, time()), Dates::sql(''));
        is(date($format, time()), Dates::sql(0));
        is(date($format, time()), Dates::sql(null));
        is(date($format, time()), Dates::sql(false));
        is(date($format, time()), Dates::sql('string'));
        is('2015-10-30 11:07:39', Dates::sql('1446203259'));
        is('2015-10-30 11:07:39', Dates::sql(1446203259));
        is('2015-10-30 11:07:39', Dates::sql('2015-10-30 11:07:39'));
        is('2015-10-30 00:00:00', Dates::sql('2015-10-30'));
    }