public function testMergeDataObjects()
{
$firstname1 = 'Firstname1';
$lastnam1 = 'Lastname1';
$email1 = '*****@*****.**';
$firstDataObject = $this->_customerBuilder->setFirstname($firstname1)->setLastname($lastnam1)->setEmail($email1)->create();
$lastname2 = 'Lastname2';
$middlename2 = 'Middlename2';
$secondDataObject = $this->_customerBuilder->setLastname($lastname2)->setMiddlename($middlename2)->create();
$mergedDataObject = $this->_customerBuilder->mergeDataObjects($firstDataObject, $secondDataObject);
$this->assertNotSame($firstDataObject, $mergedDataObject, 'A new object must be created for merged Data Object.');
$this->assertNotSame($secondDataObject, $mergedDataObject, 'A new object must be created for merged Data Object.');
$expectedDataObject = array('firstname' => $firstname1, 'lastname' => $lastname2, 'middlename' => $middlename2, 'email' => $email1);
$this->assertEquals($expectedDataObject, $mergedDataObject->__toArray(), 'Data Objects were merged incorrectly.');
}
