Function TestBnBSuccess

src/wallet/test/coinselection_tests.cpp:115–131

}

static void TestBnBSuccess(std::string test_title, std::vector<OutputGroup>& utxo_pool, const CAmount& selection_target, const std::vector<CAmount>& expected_input_amounts, size_t expected_attempts, const CoinSelectionParams& cs_params = default_cs_params, const int custom_spending_vsize = P2WPKH_INPUT_VSIZE, const int max_selection_weight = MAX_STANDARD_TX_WEIGHT)
{
    SelectionResult expected_result(CAmount(0), SelectionAlgorithm::BNB);
    CAmount expected_amount = 0;
    for (CAmount input_amount : expected_input_amounts) {
        OutputGroup group = MakeCoin(input_amount, true, cs_params, custom_spending_vsize);
        expected_amount += group.m_value;
        expected_result.AddInput(group);
    }

    const auto result = SelectCoinsBnB(utxo_pool, selection_target, /*cost_of_change=*/cs_params.m_cost_of_change, max_selection_weight);
    BOOST_CHECK_MESSAGE(result, "Falsy result in BnB-Success: " + test_title);
    BOOST_CHECK_MESSAGE(HaveEquivalentValues(expected_result, *result), strprintf("Result mismatch in BnB-Success: %s. Expected %s, but got %s", test_title, InputAmountsToString(expected_result), InputAmountsToString(*result)));
    BOOST_CHECK_MESSAGE(result->GetSelectedValue() == expected_amount, strprintf("Selected amount mismatch in BnB-Success: %s. Expected %d, but got %d", test_title, expected_amount, result->GetSelectedValue()));
    BOOST_CHECK_MESSAGE(result->GetWeight() <= max_selection_weight, strprintf("Selected weight is higher than permitted in BnB-Success: %s. Expected %d, but got %d", test_title, max_selection_weight, result->GetWeight()));
    BOOST_CHECK_MESSAGE(result->GetSelectionsEvaluated() == expected_attempts, strprintf("Unexpected number of attempts in BnB-Success: %s. Expected %i attempts, but got %i", test_title, expected_attempts, result->GetSelectionsEvaluated()));
}

static void TestBnBFail(std::string test_title, std::vector<OutputGroup>& utxo_pool, const CAmount& selection_target, const CoinSelectionParams& cs_params = default_cs_params, int max_selection_weight = MAX_STANDARD_TX_WEIGHT, const bool expect_max_weight_exceeded = false)
{