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68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of clio: https://github.com/XRPLF/clio
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Copyright (c) 2024, the clio developers.
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include "util/Random.hpp"
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#include <gtest/gtest.h>
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#include <algorithm>
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#include <cstddef>
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#include <iterator>
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#include <vector>
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using namespace util;
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struct RandomTests : public ::testing::Test {
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static std::vector<int>
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generateRandoms(MTRandomGenerator& randomGenerator, size_t const numRandoms = 1000)
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{
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std::vector<int> v;
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v.reserve(numRandoms);
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std::ranges::generate_n(std::back_inserter(v), numRandoms, [&randomGenerator]() {
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return randomGenerator.uniform(0, 1000);
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});
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return v;
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}
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};
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TEST_F(RandomTests, Uniform)
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{
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MTRandomGenerator randomGenerator;
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std::ranges::for_each(generateRandoms(randomGenerator), [](int const& e) {
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EXPECT_GE(e, 0);
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EXPECT_LE(e, 1000);
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});
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}
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TEST_F(RandomTests, FixedSeed)
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{
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MTRandomGenerator randomGenerator;
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randomGenerator.setSeed(42);
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std::vector<int> const v1 = generateRandoms(randomGenerator);
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randomGenerator.setSeed(42);
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std::vector<int> const v2 = generateRandoms(randomGenerator);
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ASSERT_EQ(v1.size(), v2.size());
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for (size_t i = 0; i < v1.size(); ++i) {
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EXPECT_EQ(v1[i], v2[i]);
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};
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}
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