function testTreeSortBehaviour()
{
$objDB = class_carrier::getInstance()->getObjDB();
//test the setToPos
echo "\tposition handling...\n";
//create 10 test records
$objAspect = new class_module_system_aspect();
//new base-node
$objAspect->updateObjectToDb();
$strBaseNodeId = $objAspect->getSystemid();
$arrNodes = array();
for ($intI = 1; $intI <= 10; $intI++) {
$objAspect = new class_module_system_aspect();
$objAspect->updateObjectToDb($strBaseNodeId);
$arrNodes[] = $objAspect->getSystemid();
}
//initial movings
$objAspect = new class_module_system_aspect($arrNodes[1]);
$objAspect->setPosition("upwards");
$arrNodes = $objDB->getPArray("SELECT system_id FROM " . _dbprefix_ . "system WHERE system_prev_id = ? ORDER BY system_sort ASC", array($strBaseNodeId));
echo "\trelative shiftings...\n";
//move the third to the first pos
$objAspect = new class_module_system_aspect($arrNodes[2]["system_id"]);
$objAspect->setPosition("upwards");
$objAspect->setPosition("upwards");
$objAspect->setPosition("upwards");
//next one should be with no effect
$objAspect->setPosition("upwards");
$objDB->flushQueryCache();
$arrNodesAfter = $objDB->getPArray("SELECT system_id FROM " . _dbprefix_ . "system WHERE system_prev_id = ? ORDER BY system_sort ASC", array($strBaseNodeId));
$this->assertEquals($arrNodesAfter[0]["system_id"], $arrNodes[2]["system_id"], __FILE__ . " checkPositionShitftingByRelativeShift");
$this->assertEquals($arrNodesAfter[1]["system_id"], $arrNodes[0]["system_id"], __FILE__ . " checkPositionShitftingByRelativeShift");
$this->assertEquals($arrNodesAfter[2]["system_id"], $arrNodes[1]["system_id"], __FILE__ . " checkPositionShitftingByRelativeShift");
//moving by set pos
echo "\tabsolute shifting..\n";
$objDB->flushQueryCache();
$arrNodes = $objDB->getPArray("SELECT system_id FROM " . _dbprefix_ . "system WHERE system_prev_id = ? ORDER BY system_sort ASC", array($strBaseNodeId));
$objDB->flushQueryCache();
$objAspect = new class_module_system_aspect($arrNodes[2]["system_id"]);
$objAspect->setAbsolutePosition(1);
$arrNodesAfter = $objDB->getPArray("SELECT system_id FROM " . _dbprefix_ . "system WHERE system_prev_id = ? ORDER BY system_sort ASC", array($strBaseNodeId));
$this->assertEquals($arrNodesAfter[0]["system_id"], $arrNodes[2]["system_id"], __FILE__ . " checkPositionShitftingByAbsoluteShift");
$this->assertEquals($arrNodesAfter[1]["system_id"], $arrNodes[0]["system_id"], __FILE__ . " checkPositionShitftingByAbsoluteShift");
$this->assertEquals($arrNodesAfter[2]["system_id"], $arrNodes[1]["system_id"], __FILE__ . " checkPositionShitftingByAbsoluteShift");
//and back...
$objDB->flushQueryCache();
$objAspect = new class_module_system_aspect($arrNodes[2]["system_id"]);
$objAspect->setAbsolutePosition(3);
$objDB->flushQueryCache();
$arrNodesAfter = $objDB->getPArray("SELECT system_id FROM " . _dbprefix_ . "system WHERE system_prev_id = ? ORDER BY system_sort ASC", array($strBaseNodeId));
$this->assertEquals($arrNodesAfter[0]["system_id"], $arrNodes[0]["system_id"], __FILE__ . " checkPositionShitftingByAbsoluteShift");
$this->assertEquals($arrNodesAfter[1]["system_id"], $arrNodes[1]["system_id"], __FILE__ . " checkPositionShitftingByAbsoluteShift");
$this->assertEquals($arrNodesAfter[2]["system_id"], $arrNodes[2]["system_id"], __FILE__ . " checkPositionShitftingByAbsoluteShift");
//deleting all records created
foreach ($arrNodes as $arrOneNode) {
$objAspect = new class_module_system_aspect($arrOneNode["system_id"]);
$objAspect->deleteObjectFromDatabase();
}
$objAspect = new class_module_system_aspect($strBaseNodeId);
$objAspect->deleteObjectFromDatabase();
}