public function testClone()
{
$var = new OutcomeVariable('var', Cardinality::SINGLE, BaseType::INTEGER, new QtiInteger(25));
$var->setDefaultValue(new QtiInteger(1));
// value and default value must be independant.
$clone = clone $var;
$this->assertNotSame($var->getValue(), $clone->getValue());
$this->assertNotSame($var->getDefaultValue(), $clone->getDefaultValue());
}
public function testIsNull()
{
$outcome = new OutcomeVariable('var1', Cardinality::SINGLE, BaseType::STRING);
$this->assertTrue($outcome->isNull());
$outcome->setValue(new String(''));
$this->assertTrue($outcome->isNull());
$outcome->setValue(new String('String!'));
$this->assertFalse($outcome->isNull());
$outcome = new OutcomeVariable('var1', Cardinality::SINGLE, BaseType::INTEGER);
$this->assertTrue($outcome->isNull());
$outcome->setValue(new Integer(0));
$this->assertFalse($outcome->isNull());
$outcome->setValue(new Integer(-1));
$this->assertFalse($outcome->isNull());
$outcome->setValue(new Integer(100));
$this->assertFalse($outcome->isNull());
$outcome = new OutcomeVariable('var1', Cardinality::SINGLE, BaseType::FLOAT);
$this->assertTrue($outcome->isNull());
$outcome->setValue(new Float(0.25));
$this->assertFalse($outcome->isNull());
$outcome->setValue(new Float(-1.2));
$this->assertFalse($outcome->isNull());
$outcome->setValue(new Float(100.12));
$this->assertFalse($outcome->isNull());
$outcome = new OutcomeVariable('var1', Cardinality::SINGLE, BaseType::BOOLEAN);
$this->assertTrue($outcome->isNull());
$outcome->setValue(new Boolean(true));
$this->assertFalse($outcome->isNull());
$outcome->setValue(new Boolean(false));
$this->assertFalse($outcome->isNull());
$outcome = new OutcomeVariable('var1', Cardinality::MULTIPLE, BaseType::BOOLEAN);
$this->assertTrue($outcome->isNull());
$value = $outcome->getValue();
$value[] = new Boolean(true);
$this->assertFalse($outcome->isNull());
$outcome = new OutcomeVariable('var1', Cardinality::ORDERED, BaseType::STRING);
$this->assertTrue($outcome->isNull());
$value = $outcome->getValue();
$value[] = new String('string!');
$this->assertFalse($outcome->isNull());
$outcome = new OutcomeVariable('var1', Cardinality::RECORD);
$this->assertTrue($outcome->isNull());
$value = $outcome->getValue();
$value['point1'] = new Point(100, 200);
$this->assertFalse($outcome->isNull());
}
