@Test
public void testMultiply() {

    LegacyAsset base = new LegacyAsset(50L, LegacyAssetSymbolType.SBD);
    LegacyAsset quote = new LegacyAsset(100L, LegacyAssetSymbolType.STEEM);
    Price exchangeRate = new Price(base, quote);
    LegacyAsset amountToSell = new LegacyAsset(2L, LegacyAssetSymbolType.SBD);
    assertTrue(exchangeRate.multiply(amountToSell).getAmount().equals(4L));
    assertTrue(exchangeRate.multiply(amountToSell).getSymbol().equals(LegacyAssetSymbolType.STEEM));
}