public void ChangeCurrency() { var ctx = connectionPersistent; var user = ctx.PLATFORM_USER.FirstOrDefault(x => x.TRANSFER.Count > 0 && x.PLATFORM_USER_ACCOUNT.Count > 0); if (user == null) { Assert.Fail("В БД нет необходимых для теста данных"); } var walletBalanceBefore = user.WALLET.Balance; var walletCurrencyBefore = user.WALLET.Currency; var walletCurrencyNew = ctx.SPOT.First(x => x.ComBase != walletCurrencyBefore).ComBase; WalletError error; var wallet = walletManager.ChangeCurrency(user.ID, walletCurrencyNew, false, out error); Assert.AreEqual(WalletError.OK, error); Assert.AreNotEqual(walletCurrencyBefore, wallet.Currency); Assert.AreEqual(walletCurrencyNew, user.WALLET.Currency); Assert.AreEqual(walletCurrencyNew, wallet.Currency); Assert.IsTrue(walletBalanceBefore.RoughCompares(user.WALLET.Balance, 0.0001m)); wallet = walletManager.ChangeCurrency(user.ID, walletCurrencyBefore, false, out error); }