function testImportPreservesIdOfExistingObject()
{
$object = new TestOneTableObject();
$object->setAnnotation('Initial annotation');
$object->save();
$id = $object->getId();
$source = array('id' => 10000, 'annotation' => 'Some annotation', 'content' => 'Some content');
$object->import($source);
$this->assertEqual($object->getId(), $id);
$this->assertNotEqual($object->getId(), 1000);
// just one extra check
$this->assertEqual($object->getAnnotation(), 'Some annotation');
$this->assertEqual($object->getContent(), 'Some content');
}