public function testComplex()
{
$v1 = val(1.5);
$v2 = val('5.6');
isBatch(array(array(false, $v1->compare($v2, ' =')), array(true, $v1->compare($v2, '< ')), array(true, $v1->compare($v2, ' <= ')), array(false, $v1->compare($v2, ' >= ')), array(false, $v1->compare($v2, '>'))));
}