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104 lines
3.8 KiB
104 lines
3.8 KiB
// Copyright (c) 2014-2017, The Monero Project
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its contributors may be
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// used to endorse or promote products derived from this software without specific
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// prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// FIXME: move this into a full wallet2 unit test suite, if possible
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#include "gtest/gtest.h"
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#include "wallet/wallet2.h"
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#include <string>
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static tools::wallet2::transfer_container make_transfers_container(size_t N)
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{
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tools::wallet2::transfer_container transfers;
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for (size_t n = 0; n < N; ++n)
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{
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transfers.push_back(AUTO_VAL_INIT(tools::wallet2::transfer_details()));
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tools::wallet2::transfer_details &td = transfers.back();
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td.m_block_height = 1000;
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td.m_spent = false;
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td.m_txid = crypto::null_hash;
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td.m_txid.data[0] = n & 0xff;
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td.m_txid.data[1] = (n >> 8) & 0xff;
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td.m_txid.data[2] = (n >> 16) & 0xff;
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td.m_txid.data[3] = (n >> 24) & 0xff;
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}
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return transfers;
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}
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#define SELECT(idx) \
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do { \
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auto i = std::find(unused_indices.begin(), unused_indices.end(), idx); \
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ASSERT_TRUE(i != unused_indices.end()); \
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unused_indices.erase(i); \
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selected.push_back(idx); \
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} while(0)
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#define PICK(expected) \
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do { \
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size_t idx = w.pop_best_value_from(transfers, unused_indices, selected); \
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ASSERT_EQ(expected, idx); \
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selected.push_back(idx); \
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} while(0)
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TEST(select_outputs, one_out_of_N)
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{
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tools::wallet2 w;
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// check that if there are N-1 outputs of the same height, one of them
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// already selected, the next one selected is the one that's from a
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// different height
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tools::wallet2::transfer_container transfers = make_transfers_container(10);
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transfers[6].m_block_height = 700;
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std::vector<size_t> unused_indices({0, 1, 2, 3, 4, 5, 6, 7, 8, 9});
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std::list<size_t> selected;
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SELECT(2);
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PICK(6);
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}
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TEST(select_outputs, order)
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{
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tools::wallet2 w;
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// check that most unrelated heights are picked in order
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tools::wallet2::transfer_container transfers = make_transfers_container(5);
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transfers[0].m_block_height = 700;
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transfers[1].m_block_height = 700;
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transfers[2].m_block_height = 704;
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transfers[3].m_block_height = 716;
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transfers[4].m_block_height = 701;
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std::vector<size_t> unused_indices({0, 1, 2, 3, 4});
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std::list<size_t> selected;
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SELECT(0);
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PICK(3); // first the one that's far away
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PICK(2); // then the one that's close
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PICK(4); // then the one that's adjacent
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PICK(1); // then the one that's on the same height
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}
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