public function testCtor()
{
$account = new AccountObject();
$this->assertNull($account->getId());
$this->assertNull($account->getType());
$accountProvider = new BalanceObject();
$accountProvider->setId('foo');
$accountProvider->setType('baz');
$account = new AccountObject($accountProvider);
$this->assertSame($accountProvider->getId(), $account->getId());
$this->assertSame($accountProvider->getType(), $account->getType());
}
