public function testArrayHandling()
{
$objChangelog = new class_module_system_changelog();
$objOne = new dummyObject2(generateSystemid());
$objChangelog->readOldValues($objOne);
$arrChanges = array();
$this->assertTrue(!$objChangelog->isObjectChanged($objOne, $arrChanges));
$this->assertTrue(count($arrChanges) == 0);
$objOne->setArrValues(array("a", "c", "d"));
$arrChanges = array();
$this->assertTrue($objChangelog->isObjectChanged($objOne, $arrChanges));
$this->assertTrue(count($arrChanges) == 1);
$this->assertEquals($arrChanges[0]["property"], "arrValues");
$this->assertEquals($arrChanges[0]["oldvalue"], "b,c,d");
$this->assertEquals($arrChanges[0]["newvalue"], "a,c,d");
$objChangelog->readOldValues($objOne);
$objOne->setArrValues(array("a", "d", "c"));
$arrChanges = array();
$this->assertTrue(!$objChangelog->isObjectChanged($objOne, $arrChanges));
$this->assertTrue(count($arrChanges) == 0);
}