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test: Cover Vault helper early-return branches

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Adds unit-test coverage for three previously-untested branches in
VaultHelpers:

- addVaultAssets propagates a non-tes return when the underlying
  accountSend fails (exercised via a sender with no trust line for the
  vault asset).
- clawbackVaultAssets propagates a non-tes return when its accountSend
  fails (exercised via a synthetic third-party recipient with no trust
  line; the production caller always uses the asset issuer, which
  cannot hit this branch).
- moveVaultAssets short-circuits and returns tesSUCCESS without
  touching accountSendMulti when every recipient's amount is zero
  (exercised via two zero-amount recipients, which still satisfies the
  recipients.size() > 1 precondition).
This commit is contained in:
Vito
2026-08-10 16:34:36 +02:00
parent 0a4dd08700
commit db50afa34f
1 changed files with 61 additions and 0 deletions
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61
src/test/app/VaultHelpers_test.cpp
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@@ -142,6 +142,19 @@ class VaultHelpers_test : public beast::unit_test::Suite
BEAST_EXPECT(totalAfter == totalBeforeNegative - 10);
BEAST_EXPECT(availableAfter == availableBeforeNegative);
}
// If the underlying accountSend fails (here: sender has no trust
// line for the vault asset and is not its issuer, so cannot source
// the IOU), the helper propagates the non-tes error rather than
// silently swallowing it.
{
Account const stranger{"stranger"};
env.fund(XRP(10'000), stranger);
env.close();
STAmount const ten{vaultAsset, 10};
auto const ter = addVaultAssets(view, vault, stranger, ten, ten, env.journal);
BEAST_EXPECT(!isTesSuccess(ter));
}
}
void
@@ -221,6 +234,21 @@ class VaultHelpers_test : public beast::unit_test::Suite
BEAST_EXPECT(Number(vault->at(sfAssetsTotal)) == totalBeforeFail);
BEAST_EXPECT(Number(vault->at(sfAssetsAvailable)) == availableBeforeFail);
}
// If the underlying accountSend fails (here: recipient has no trust
// line for the vault asset and cannot receive it), the helper
// propagates the non-tes error rather than silently swallowing it.
// In production the recipient is always the asset issuer, which
// implicitly holds its own asset; this synthetic third-party
// recipient stands in only to exercise the failure branch.
{
Account const stranger{"stranger"};
env.fund(XRP(10'000), stranger);
env.close();
STAmount const ten{vaultAsset, 10};
auto const failTer = clawbackVaultAssets(view, vault, stranger, ten, env.journal);
BEAST_EXPECT(!isTesSuccess(failTer));
}
}
void
@@ -417,6 +445,39 @@ class VaultHelpers_test : public beast::unit_test::Suite
BEAST_EXPECT(availableAfter == availableBefore - 100);
BEAST_EXPECT(borrowerBalanceAfter == borrowerBalanceBefore + eighty);
BEAST_EXPECT(feeRecipientBalanceAfter == feeRecipientBalanceBefore + twenty);
// Zero-amount recipients still count toward the recipients.size() > 1
// precondition and drive the sum-of-amounts to zero, which short-
// circuits the accountSendMulti call. The Vault's fields are still
// updated (both to their pre-call values, since the deltas are all
// zero), and no funds move.
{
Number const totalBeforeZero = vault->at(sfAssetsTotal);
Number const availableBeforeZero = vault->at(sfAssetsAvailable);
auto const borrowerBalanceBeforeZero = accountHolds(
view,
borrower,
vaultAsset,
FreezeHandling::IgnoreFreeze,
AuthHandling::IgnoreAuth,
env.journal);
MultiplePaymentDestinations const zeroRecipients{
{borrower, Number{0}},
{feeRecipient, Number{0}},
};
auto const zeroTer = moveVaultAssets(view, vault, zeroRecipients, zero, env.journal);
auto const borrowerBalanceAfterZero = accountHolds(
view,
borrower,
vaultAsset,
FreezeHandling::IgnoreFreeze,
AuthHandling::IgnoreAuth,
env.journal);
BEAST_EXPECT(isTesSuccess(zeroTer));
BEAST_EXPECT(Number(vault->at(sfAssetsTotal)) == totalBeforeZero);
BEAST_EXPECT(Number(vault->at(sfAssetsAvailable)) == availableBeforeZero);
BEAST_EXPECT(borrowerBalanceAfterZero == borrowerBalanceBeforeZero);
}
}
public: