mageekguy\atoum\mock\php\method\argument::isReference PHP Method

    public function isReference()
    {
        $this->isReference = true;
        return $this;
    }

 public function test__toString()
 {
     $argument = new php\method\argument($name = uniqid());
     $this->assert->castToString($argument)->isEqualTo('$' . $name)->castToString($argument->isArray())->isEqualTo('array $' . $name)->castToString($argument->isObject($type = uniqid()))->isEqualTo($type . ' $' . $name)->castToString($argument->isUntyped()->setDefaultValue(__FUNCTION__))->isEqualTo('$' . $name . '=' . var_export(__FUNCTION__, true))->castToString($argument->setDefaultValue($defaultValue = uniqid()))->isEqualTo('$' . $name . '=' . var_export($defaultValue, true))->castToString($argument->setDefaultValue(array()))->isEqualTo('$' . $name . '=' . var_export(array(), true))->castToString($argument->setDefaultValue(null))->isEqualTo('$' . $name . '=' . var_export(null, true));
     $argument = new php\method\argument($name = uniqid());
     $argument->isReference();
     $this->assert->castToString($argument)->isEqualTo('& $' . $name)->castToString($argument->setDefaultValue(__FUNCTION__))->isEqualTo('& $' . $name . '=' . var_export(__FUNCTION__, true))->castToString($argument->setDefaultValue($defaultValue = uniqid()))->isEqualTo('& $' . $name . '=' . var_export($defaultValue, true))->castToString($argument->setDefaultValue(array()))->isEqualTo('& $' . $name . '=' . var_export(array(), true))->castToString($argument->setDefaultValue(null))->isEqualTo('& $' . $name . '=' . var_export(null, true));
 }