public function testEquality()
{
$p1 = new Pair('A', 'B');
$p2 = new Pair('A', 'B');
$p3 = new Pair('C', 'D');
$p4 = new Pair('D', 'C');
$this->assertTrue($p1->equals($p2));
$this->assertTrue($p2->equals($p1));
$this->assertFalse($p1->equals($p3));
$this->assertFalse($p3->equals($p1));
$this->assertFalse($p3->equals(1337));
$this->assertTrue($p3->equals($p3));
$this->assertTrue($p4->equals($p3));
}
/**
* Write a Pair in the current binary stream.
*
* @param Pair $pair A Pair object.
* @throws QtiBinaryStreamAccessException
*/
public function writePair(Pair $pair)
{
try {
$this->writeString($pair->getFirst());
$this->writeString($pair->getSecond());
} catch (BinaryStreamAccessException $e) {
$msg = "An error occured while writing a pair.";
throw new QtiBinaryStreamAccessException($msg, $this, QtiBinaryStreamAccessException::PAIR, $e);
}
}
public function testCreateFromVariableDeclarationDefaultValueSingleCardinality()
{
$factory = $this->getMarshallerFactory();
$element = $this->createDOMElement('
<outcomeDeclaration xmlns="http://www.imsglobal.org/xsd/imsqti_v2p0" identifier="outcome1" baseType="pair" cardinality="single">
<defaultValue>
<value>A B</value>
</defaultValue>
</outcomeDeclaration>
');
$outcomeDeclaration = $factory->createMarshaller($element)->unmarshall($element);
$outcomeVariable = OutcomeVariable::createFromDataModel($outcomeDeclaration);
$pair = new Pair('A', 'B');
$this->assertTrue($pair->equals($outcomeVariable->getDefaultValue()));
}
/**
* Marshall a QTI pair datatype into its PCI JSON Representation.
*
* @param \qtism\common\datatypes\Pair $pair
* @return array
*/
protected function marshallPair(Pair $pair)
{
return array('base' => array('pair' => array($pair->getFirst(), $pair->getSecond())));
}
