417 lines
8.7 KiB
C++
417 lines
8.7 KiB
C++
/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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https://www.etlcpp.com
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Copyright(c) 2016 John Wellbelove
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files(the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions :
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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******************************************************************************/
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#include "unit_test_framework.h"
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#include <stdint.h>
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#include "etl/random.h"
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#include "etl/crc32.h"
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#include <vector>
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#include <algorithm>
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#include <fstream>
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namespace
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{
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SUITE(test_random)
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{
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//*************************************************************************
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TEST(test_random_xorshift_sequence)
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{
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std::vector<uint32_t> out1(10000);
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etl::random_xorshift r;
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struct generator
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{
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generator(etl::random& r_)
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: r(r_)
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{
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}
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uint32_t operator()()
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{
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return r();
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}
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etl::random& r;
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};
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std::generate(out1.begin(), out1.end(), generator(r));
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std::ofstream file("random_xorshift.csv");
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if (!file.fail())
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{
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for (size_t i = 0UL; i < out1.size(); ++i)
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{
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file << out1[i] << "\n";
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}
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}
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file.close();
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}
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//*************************************************************************
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TEST(test_random_xorshift_range)
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{
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etl::random_xorshift r;
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uint32_t low = 1234UL;
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uint32_t high = 9876UL;
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for (int i = 0; i < 100000; ++i)
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{
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uint32_t n = r.range(low, high);
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CHECK(n >= low);
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CHECK(n <= high);
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}
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}
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//*************************************************************************
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TEST(test_random_lcg_sequence)
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{
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std::vector<uint32_t> out1(10000);
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etl::random_lcg r;
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struct generator
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{
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generator(etl::random& r_)
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: r(r_)
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{
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}
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uint32_t operator()()
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{
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return r();
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}
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etl::random& r;
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};
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std::generate(out1.begin(), out1.end(), generator(r));
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std::ofstream file("random_lcg.csv");
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if (!file.fail())
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{
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for (size_t i = 0UL; i < out1.size(); ++i)
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{
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file << out1[i] << "\n";
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}
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}
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file.close();
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}
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//*************************************************************************
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TEST(test_random_lcg_range)
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{
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etl::random_lcg r;
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uint32_t low = 1234UL;
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uint32_t high = 9876UL;
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for (int i = 0; i < 100000; ++i)
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{
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uint32_t n = r.range(low, high);
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CHECK(n >= low);
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CHECK(n <= high);
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}
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}
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//*************************************************************************
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TEST(test_random_clcg_sequence)
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{
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std::vector<uint32_t> out1(10000);
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etl::random_clcg r;
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struct generator
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{
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generator(etl::random& r_)
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: r(r_)
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{
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}
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uint32_t operator()()
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{
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return r();
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}
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etl::random& r;
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};
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std::generate(out1.begin(), out1.end(), generator(r));
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std::ofstream file("random_clcg.csv");
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if (!file.fail())
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{
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for (size_t i = 0UL; i < out1.size(); ++i)
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{
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file << out1[i] << "\n";
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}
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}
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file.close();
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}
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//*************************************************************************
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TEST(test_random_clcg_range)
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{
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etl::random_clcg r;
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uint32_t low = 1234UL;
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uint32_t high = 9876UL;
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for (int i = 0; i < 100000; ++i)
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{
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uint32_t n = r.range(low, high);
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CHECK(n >= low);
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CHECK(n <= high);
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}
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}
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//*************************************************************************
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TEST(test_random_lsfr_sequence)
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{
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std::vector<uint32_t> out1(10000);
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etl::random_lsfr r;
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struct generator
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{
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generator(etl::random& r_)
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: r(r_)
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{
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}
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uint32_t operator()()
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{
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return r();
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}
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etl::random& r;
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};
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std::generate(out1.begin(), out1.end(), generator(r));
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std::ofstream file("random_lsfr.csv");
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if (!file.fail())
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{
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for (size_t i = 0UL; i < out1.size(); ++i)
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{
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file << out1[i] << "\n";
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}
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}
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file.close();
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}
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//*************************************************************************
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TEST(test_random_lsfr_range)
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{
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etl::random_lsfr r;
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uint32_t low = 1234UL;
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uint32_t high = 9876UL;
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for (int i = 0; i < 100000; ++i)
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{
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uint32_t n = r.range(low, high);
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CHECK(n >= low);
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CHECK(n <= high);
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}
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}
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//*************************************************************************
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TEST(test_random_mwc_sequence)
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{
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std::vector<uint32_t> out1(10000);
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etl::random_mwc r;
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struct generator
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{
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generator(etl::random& r_)
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: r(r_)
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{
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}
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uint32_t operator()()
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{
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return r();
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}
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etl::random& r;
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};
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std::generate(out1.begin(), out1.end(), generator(r));
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std::ofstream file("random_mwc.csv");
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if (!file.fail())
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{
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for (size_t i = 0UL; i < out1.size(); ++i)
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{
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file << out1[i] << "\n";
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}
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}
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file.close();
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}
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//*************************************************************************
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TEST(test_random_mwc_range)
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{
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etl::random_mwc r;
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uint32_t low = 1234UL;
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uint32_t high = 9876UL;
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for (int i = 0; i < 100000; ++i)
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{
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uint32_t n = r.range(low, high);
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CHECK(n >= low);
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CHECK(n <= high);
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}
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}
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//*************************************************************************
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TEST(test_random_pcg_sequence)
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{
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std::vector<uint32_t> out1(10000);
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etl::random_pcg r;
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struct generator
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{
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generator(etl::random& r_)
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: r(r_)
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{
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}
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uint32_t operator()()
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{
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return r();
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}
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etl::random& r;
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};
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std::generate(out1.begin(), out1.end(), generator(r));
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std::ofstream file("random_pcg.csv");
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if (!file.fail())
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{
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for (size_t i = 0UL; i < out1.size(); ++i)
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{
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file << out1[i] << "\n";
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}
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}
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file.close();
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}
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//*************************************************************************
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TEST(test_random_pcg_range)
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{
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etl::random_pcg r;
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uint32_t low = 1234UL;
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uint32_t high = 9876UL;
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for (int i = 0; i < 100000; ++i)
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{
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uint32_t n = r.range(low, high);
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CHECK(n >= low);
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CHECK(n <= high);
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}
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}
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//*************************************************************************
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TEST(test_random_hash_sequence)
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{
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std::vector<uint32_t> out1(10000);
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etl::random_hash<etl::crc32> r;
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struct generator
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{
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generator(etl::random& r_)
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: r(r_)
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{
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}
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uint32_t operator()()
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{
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return r();
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}
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etl::random& r;
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};
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std::generate(out1.begin(), out1.end(), generator(r));
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std::ofstream file("random_hash.csv");
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if (!file.fail())
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{
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for (size_t i = 0UL; i < out1.size(); ++i)
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{
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file << out1[i] << "\n";
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}
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}
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file.close();
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}
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//*************************************************************************
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TEST(test_random_hash_range)
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{
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etl::random_hash<etl::crc32> r;
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uint32_t low = 1234UL;
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uint32_t high = 9876UL;
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for (int i = 0; i < 100000; ++i)
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{
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uint32_t n = r.range(low, high);
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CHECK(n >= low);
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CHECK(n <= high);
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}
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}
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};
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}
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