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