public function testCompareWithSignature()
{
$success = ['success' => true, 'reason' => null];
$failure = ['success' => false, 'reason' => null];
$id = Util::getUUID();
$obj = new StatementRef(['id' => $id]);
$sig = new StatementRef(['id' => $id]);
$this->assertSame($success, $obj->compareWithSignature($sig), 'id only: match');
$sig->setId(Util::getUUID());
$failure['reason'] = 'Comparison of id failed: value is not the same';
$this->assertSame($failure, $obj->compareWithSignature($sig), 'id only: mismatch');
}
