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tests: add tests for wallet output selection

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moneromooo-monero 2016-07-12 22:01:13 +01:00
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2 changed files with 100 additions and 1 deletions
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3
tests/unit_tests/CMakeLists.txt
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@ -52,7 +52,8 @@ set(unit_tests_sources
hardfork.cpp
unbound.cpp
varint.cpp
ringct.cpp)
ringct.cpp
output_selection.cpp)
set(unit_tests_headers
unit_tests_utils.h)

98
tests/unit_tests/output_selection.cpp Normal file
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@ -0,0 +1,98 @@
// Copyright (c) 2014-2016, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// FIXME: move this into a full wallet2 unit test suite, if possible
#include "gtest/gtest.h"
#include "wallet/wallet2.h"
#include <string>
static tools::wallet2::transfer_container make_transfers_container(size_t N)
{
tools::wallet2::transfer_container transfers;
for (size_t n = 0; n < N; ++n)
{
transfers.push_back(AUTO_VAL_INIT(tools::wallet2::transfer_details()));
tools::wallet2::transfer_details &td = transfers.back();
td.m_block_height = 1000;
td.m_spent = false;
}
return transfers;
}
#define SELECT(idx) \
do { \
auto i = std::find(unused_indices.begin(), unused_indices.end(), idx); \
ASSERT_TRUE(i != unused_indices.end()); \
unused_indices.erase(i); \
selected.push_back(transfers.begin() + idx); \
} while(0)
#define PICK(expected) \
do { \
size_t idx = w.pop_best_value_from(transfers, unused_indices, selected); \
ASSERT_EQ(expected, idx); \
selected.push_back(transfers.begin() + idx); \
} while(0)
TEST(select_outputs, one_out_of_N)
{
tools::wallet2 w;
// check that if there are N-1 outputs of the same height, one of them
// already selected, the next one selected is the one that's from a
// different height
tools::wallet2::transfer_container transfers = make_transfers_container(10);
transfers[6].m_block_height = 700;
std::vector<size_t> unused_indices({0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
std::list<tools::wallet2::transfer_container::iterator> selected;
SELECT(2);
PICK(6);
}
TEST(select_outputs, order)
{
tools::wallet2 w;
// check that most unrelated heights are picked in order
tools::wallet2::transfer_container transfers = make_transfers_container(5);
transfers[0].m_block_height = 700;
transfers[1].m_block_height = 700;
transfers[2].m_block_height = 704;
transfers[3].m_block_height = 716;
transfers[4].m_block_height = 701;
std::vector<size_t> unused_indices({0, 1, 2, 3, 4});
std::list<tools::wallet2::transfer_container::iterator> selected;
SELECT(0);
PICK(3); // first the one that's far away
PICK(2); // then the one that's close
PICK(4); // then the one that's adjacent
PICK(1); // then the one that's on the same height
}