monero/tests/unit_tests/apply_permutation.cpp

75 lines
2.6 KiB
C++
Raw Normal View History

2019-03-05 14:05:34 -07:00
// Copyright (c) 2017-2019, 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.
#include "gtest/gtest.h"
#include "common/apply_permutation.h"
TEST(apply_permutation, empty)
{
std::vector<int> v = {};
tools::apply_permutation({}, v);
ASSERT_EQ(v, std::vector<int>({}));
}
TEST(apply_permutation, reorder)
{
// 0 1 2 3 4 5 6
std::vector<int> v = {8, 4, 6, 1, 7, 2, 4};
tools::apply_permutation({3, 5, 6, 1, 2, 4, 0}, v);
ASSERT_EQ(v, std::vector<int>({1, 2, 4, 4, 6, 7, 8}));
}
TEST(apply_permutation, bad_size)
{
std::vector<int> v_large = {8, 4, 6, 1, 7, 2, 4, 9};
std::vector<int> v_small = {8, 4, 6, 1, 7, 2};
try
{
tools::apply_permutation({3, 5, 6, 1, 2, 4, 0}, v_large);
ASSERT_FALSE(true);
}
catch (const std::exception &e) {}
try
{
tools::apply_permutation({3, 5, 6, 1, 2, 4, 0}, v_small);
ASSERT_FALSE(true);
}
catch (const std::exception &e) {}
}
TEST(apply_permutation, bad_permutation)
{
std::vector<int> v = {8, 4, 6, 1, 7, 2, 4};
try
{
tools::apply_permutation({3, 5, 6, 1, 2, 4, 1}, v);
ASSERT_FALSE(true);
}
catch (const std::exception &e) {}
}