public function testGetIdentifiableComponentsCollision()
{
$assessmentSection = new AssessmentSection('S01', 'Section S01', true);
$assessmentSection1a = new AssessmentSection('S01a', 'Section S01a', true);
$assessmentSection1b = new AssessmentSection('S01b', 'Section S01b', true);
$assessmentItemRef1a = new AssessmentItemRef('Q01', './Q01.xml');
$assessmentItemRef1b = new AssessmentItemRef('Q01', './Q01.xml');
$assessmentSection1a->setSectionParts(new SectionPartCollection(array($assessmentItemRef1a)));
$assessmentSection1b->setSectionParts(new SectionPartCollection(array($assessmentItemRef1b)));
$assessmentSection->setSectionParts(new SectionPartCollection(array($assessmentSection1a, $assessmentSection1b)));
$search = $assessmentSection->getIdentifiableComponents();
$this->assertInstanceOf('qtism\\data\\QtiComponentCollection', $search);
$this->assertEquals(4, count($search));
$this->assertTrue($assessmentSection1a === $search[0]);
$this->assertTrue($assessmentItemRef1a === $search[1]);
$this->assertTrue($assessmentSection1b === $search[2]);
$this->assertTrue($assessmentItemRef1b === $search[3]);
}
