public function testSerializationDeserialization()
{
$obj = new CurrencyConversion(self::getJson());
$this->assertNotNull($obj);
$this->assertNotNull($obj->getConversionDate());
$this->assertNotNull($obj->getFromCurrency());
$this->assertNotNull($obj->getFromAmount());
$this->assertNotNull($obj->getToCurrency());
$this->assertNotNull($obj->getToAmount());
$this->assertNotNull($obj->getConversionType());
$this->assertNotNull($obj->getConversionTypeChangeable());
$this->assertNotNull($obj->getWebUrl());
$this->assertNotNull($obj->getLinks());
$this->assertEquals(self::getJson(), $obj->toJson());
return $obj;
}