public function test_serialization()
{
$state = new SsoSessionState();
$state->setIdpEntityId('idp');
$state->setSpEntityId('sp');
$state->setNameId('name-id');
$state->setNameIdFormat('name-id-format');
$state->setSessionIndex('session-index');
$state->getParameters()->replace(['a' => 'abc', 'b' => 22, 'c' => [1, 2]]);
/** @var SsoSessionState $other */
$other = unserialize(serialize($state));
$this->assertInstanceOf(SsoSessionState::class, $other);
$this->assertInstanceOf(ParameterBag::class, $other->getParameters());
$this->assertEquals($state->getIdpEntityId(), $other->getIdpEntityId());
$this->assertEquals($state->getSpEntityId(), $other->getSpEntityId());
$this->assertEquals($state->getNameId(), $other->getNameId());
$this->assertEquals($state->getNameIdFormat(), $other->getNameIdFormat());
$this->assertEquals($state->getSessionIndex(), $other->getSessionIndex());
$this->assertEquals($state->getParameters()->all(), $other->getParameters()->all());
}