/**
* Tests setting values
*
* @return void
*/
public function testSet()
{
$test = new NodeAttribute('test');
$this->assertTrue($test->set('v1'));
$this->assertEquals(array('v1'), $test->getValues(), 'Our value got added');
$this->assertEquals(array(), array_merge($test->getDiffAdditions(), $test->getDiffDeletions(), $test->getDiffReplacements()), 'Attribute is marked as overridden, changes are not tracked anymore');
$this->assertTrue($test->set(array('v2', 'v3')));
$this->assertEquals(array(), array_merge($test->getDiffAdditions(), $test->getDiffDeletions(), $test->getDiffReplacements()), 'Attribute is still marked as overridden, no changes got tracked');
$test->add('v4');
$test->remove('v3');
$test->remove('v2');
$test->add('v3');
$this->assertEquals(array(), array_merge($test->getDiffAdditions(), $test->getDiffDeletions(), $test->getDiffReplacements()), 'Even regular add and remove operations get ignored');
$test->snapshot();
$test->add('v5');
$this->assertEquals(array('v5'), $test->getDiffAdditions(), 'Tracking is working again');
}
