55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/* Copyright 2015, Michele Santullo
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* This file is part of DoorKeeper.
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*
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* DoorKeeper is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DoorKeeper is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DoorKeeper. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <gtest/gtest.h>
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#include "doorkeeper/implem/idmanager.hpp"
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TEST(components, saltedid) {
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typedef dk::IDManager<5, 11> id_manager_t;
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id_manager_t idman;
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EXPECT_EQ(2, sizeof(idman.allocate()));
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EXPECT_EQ(1, sizeof(id_manager_t::value_type::salt_type));
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EXPECT_EQ(2, sizeof(id_manager_t::value_type::index_type));
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EXPECT_EQ(16, id_manager_t::bit_count);
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for (unsigned int z = 0; z < 20; ++z) {
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auto index = idman.allocate();
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EXPECT_EQ(0, index.salt());
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EXPECT_EQ(z + 1, index.index());
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}
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auto free_index = idman.allocate();
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EXPECT_EQ(0, free_index.salt());
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for (unsigned int z = 0; z < 20; ++z) {
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auto index = idman.allocate();
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EXPECT_EQ(0, index.salt());
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EXPECT_EQ(z + 22, index.index());
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}
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for (unsigned int z = 0; z < (1 << 5) - 1; ++z) {
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idman.free(free_index);
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free_index = idman.allocate();
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EXPECT_EQ(z + 1, free_index.salt());
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EXPECT_EQ(21, free_index.index());
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}
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idman.free(free_index);
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free_index = idman.allocate();
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EXPECT_EQ(0, free_index.salt());
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EXPECT_EQ(42, free_index.index());
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}
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