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add container tests and sentinel tests
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.../parallelism/algorithms/tests/unit/container_algorithms/lexicographical_compare_range.cpp
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// Copyright (c) 2018 Christopher Ogle | ||
// Copyright (c) 2020 Hartmut Kaiser | ||
// | ||
// SPDX-License-Identifier: BSL-1.0 | ||
// Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
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#include <hpx/iterator_support/tests/iter_sent.hpp> | ||
#include <hpx/local/init.hpp> | ||
#include <hpx/modules/testing.hpp> | ||
#include <hpx/parallel/container_algorithms/lexicographical_compare.hpp> | ||
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#include <cstddef> | ||
#include <iostream> | ||
#include <iterator> | ||
#include <numeric> | ||
#include <string> | ||
#include <vector> | ||
#include <algorithm> | ||
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#include "test_utils.hpp" | ||
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//////////////////////////////////////////////////////////////////////////// | ||
unsigned int seed; | ||
std::mt19937 gen; | ||
std::uniform_int_distribution<> dis(0, 25); | ||
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void test_fill_sent() | ||
{ | ||
std::vector<char> c1(10); | ||
std::generate( | ||
std::begin(c1), std::end(c1), []() { return 'a' + dis(gen); }); | ||
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std::vector<char> c2(10); | ||
std::generate( | ||
std::begin(c2), std::end(c2), []() { return 'a' + dis(gen); }); | ||
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bool actual_result1 = std::lexicographical_compare( | ||
std::begin(c1), std::begin(c1) + 5, std::begin(c2), std::begin(c2) + 5); | ||
bool result1 = hpx::ranges::lexicographical_compare(std::begin(c1), | ||
sentinel<char>{*(std::begin(c1) + 5)}, std::begin(c2), | ||
sentinel<char>{*(std::begin(c2) + 5)}); | ||
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bool actual_result2 = std::lexicographical_compare( | ||
std::begin(c2), std::begin(c2) + 5, std::begin(c1), std::begin(c1) + 5); | ||
bool result2 = hpx::ranges::lexicographical_compare(std::begin(c2), | ||
sentinel<char>{*(std::begin(c2) + 5)}, std::begin(c1), | ||
sentinel<char>{*(std::begin(c1) + 5)}); | ||
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bool actual_result3 = std::lexicographical_compare( | ||
std::begin(c1), std::begin(c1) + 5, std::begin(c1), std::begin(c1) + 5); | ||
bool result3 = hpx::ranges::lexicographical_compare(std::begin(c1), | ||
sentinel<char>{*(std::begin(c1) + 5)}, std::begin(c1), | ||
sentinel<char>{*(std::begin(c1) + 5)}); | ||
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HPX_TEST_EQ(actual_result1, result1); | ||
HPX_TEST_EQ(actual_result2, result2); | ||
HPX_TEST_EQ(actual_result3, result3); | ||
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// check corner cases | ||
std::vector<char> c3 = {1, 1, 1, 1, 3, 2, 2, 8}; | ||
std::vector<char> c4 = {1, 1, 1, 1, 3, 5, 5, 8}; | ||
auto result4 = hpx::ranges::lexicographical_compare( | ||
std::begin(c3), sentinel<char>{3}, std::begin(c4), sentinel<char>{3}); | ||
auto result5 = hpx::ranges::lexicographical_compare( | ||
std::begin(c3), sentinel<char>{8}, std::begin(c4), sentinel<char>{8}); | ||
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HPX_TEST_EQ(false, result4); | ||
HPX_TEST_EQ(true, result5); | ||
} | ||
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template <typename ExPolicy> | ||
void test_fill_sent(ExPolicy policy) | ||
{ | ||
static_assert(hpx::is_execution_policy<ExPolicy>::value, | ||
"hpx::is_execution_policy<ExPolicy>::value"); | ||
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std::vector<char> c1(10); | ||
std::generate( | ||
std::begin(c1), std::end(c1), []() { return 'a' + dis(gen); }); | ||
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std::vector<char> c2(10); | ||
std::generate( | ||
std::begin(c2), std::end(c2), []() { return 'a' + dis(gen); }); | ||
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bool actual_result1 = std::lexicographical_compare( | ||
std::begin(c1), std::begin(c1) + 5, std::begin(c2), std::begin(c2) + 5); | ||
bool result1 = hpx::ranges::lexicographical_compare(policy, std::begin(c1), | ||
sentinel<char>{*(std::begin(c1) + 5)}, std::begin(c2), | ||
sentinel<char>{*(std::begin(c2) + 5)}); | ||
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bool actual_result2 = std::lexicographical_compare( | ||
std::begin(c2), std::begin(c2) + 5, std::begin(c1), std::begin(c1) + 5); | ||
bool result2 = hpx::ranges::lexicographical_compare(policy, std::begin(c2), | ||
sentinel<char>{*(std::begin(c2) + 5)}, std::begin(c1), | ||
sentinel<char>{*(std::begin(c1) + 5)}); | ||
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bool actual_result3 = std::lexicographical_compare( | ||
std::begin(c1), std::begin(c1) + 5, std::begin(c1), std::begin(c1) + 5); | ||
bool result3 = hpx::ranges::lexicographical_compare(policy, std::begin(c1), | ||
sentinel<char>{*(std::begin(c1) + 5)}, std::begin(c1), | ||
sentinel<char>{*(std::begin(c1) + 5)}); | ||
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HPX_TEST_EQ(actual_result1, result1); | ||
HPX_TEST_EQ(actual_result2, result2); | ||
HPX_TEST_EQ(actual_result3, result3); | ||
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// check corner cases | ||
std::vector<char> c3 = {1, 1, 1, 1, 3, 2, 2, 8}; | ||
std::vector<char> c4 = {1, 1, 1, 1, 3, 5, 5, 8}; | ||
auto result4 = hpx::ranges::lexicographical_compare(policy, std::begin(c3), | ||
sentinel<char>{3}, std::begin(c4), sentinel<char>{3}); | ||
auto result5 = hpx::ranges::lexicographical_compare(policy, std::begin(c3), | ||
sentinel<char>{8}, std::begin(c4), sentinel<char>{8}); | ||
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HPX_TEST_EQ(false, result4); | ||
HPX_TEST_EQ(true, result5); | ||
} | ||
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template <typename IteratorTag> | ||
void test_lexicographical_compare(IteratorTag) | ||
{ | ||
std::vector<char> c1(10); | ||
std::generate(std::begin(c1), std::end(c1), | ||
[]() { return 'a' + dis(gen); }); | ||
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std::vector<char> c2(10); | ||
std::generate( | ||
std::begin(c2), std::end(c2), []() { return 'a' + dis(gen); }); | ||
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bool actual_result1 = std::lexicographical_compare( | ||
std::begin(c1), std::end(c1), std::begin(c2), std::end(c2)); | ||
bool result1 = hpx::ranges::lexicographical_compare(c1, c2); | ||
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bool actual_result2 = std::lexicographical_compare( | ||
std::begin(c1), std::end(c1), std::begin(c2), std::end(c2)); | ||
bool result2 = hpx::ranges::lexicographical_compare(c1, c2); | ||
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bool actual_result3 = std::lexicographical_compare( | ||
std::begin(c1), std::end(c1), std::begin(c2), std::end(c2)); | ||
bool result3 = hpx::ranges::lexicographical_compare(c1, c2); | ||
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HPX_TEST_EQ(actual_result1, result1); | ||
HPX_TEST_EQ(actual_result2, result2); | ||
HPX_TEST_EQ(actual_result3, result3); | ||
} | ||
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template <typename ExPolicy, typename IteratorTag> | ||
void test_lexicographical_compare(ExPolicy policy, IteratorTag) | ||
{ | ||
static_assert(hpx::is_execution_policy<ExPolicy>::value, | ||
"hpx::is_execution_policy<ExPolicy>::value"); | ||
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std::vector<char> c1(10); | ||
std::generate( | ||
std::begin(c1), std::end(c1), []() { return 'a' + dis(gen); }); | ||
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std::vector<char> c2(10); | ||
std::generate( | ||
std::begin(c2), std::end(c2), []() { return 'a' + dis(gen); }); | ||
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bool actual_result1 = std::lexicographical_compare( | ||
std::begin(c1), std::end(c1), std::begin(c2), std::end(c2)); | ||
bool result1 = hpx::ranges::lexicographical_compare(policy, c1, c2); | ||
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bool actual_result2 = std::lexicographical_compare( | ||
std::begin(c1), std::end(c1), std::begin(c2), std::end(c2)); | ||
bool result2 = hpx::ranges::lexicographical_compare(policy, c1, c2); | ||
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bool actual_result3 = std::lexicographical_compare( | ||
std::begin(c1), std::end(c1), std::begin(c2), std::end(c2)); | ||
bool result3 = hpx::ranges::lexicographical_compare(policy, c1, c2); | ||
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HPX_TEST_EQ(actual_result1, result1); | ||
HPX_TEST_EQ(actual_result2, result2); | ||
HPX_TEST_EQ(actual_result3, result3); | ||
} | ||
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template <typename ExPolicy, typename IteratorTag> | ||
void test_fill_async(ExPolicy policy, IteratorTag) | ||
{ | ||
static_assert(hpx::is_execution_policy<ExPolicy>::value, | ||
"hpx::is_execution_policy<ExPolicy>::value"); | ||
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std::vector<char> c1(10); | ||
std::generate( | ||
std::begin(c1), std::end(c1), []() { return 'a' + dis(gen); }); | ||
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std::vector<char> c2(10); | ||
std::generate( | ||
std::begin(c2), std::end(c2), []() { return 'a' + dis(gen); }); | ||
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bool actual_result1 = std::lexicographical_compare( | ||
std::begin(c1), std::end(c1), std::begin(c2), std::end(c2)); | ||
hpx::future<bool> result1 = | ||
hpx::ranges::lexicographical_compare(policy, c1, c2); | ||
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bool actual_result2 = std::lexicographical_compare( | ||
std::begin(c1), std::end(c1), std::begin(c2), std::end(c2)); | ||
hpx::future<bool> result2 = | ||
hpx::ranges::lexicographical_compare(policy, c1, c2); | ||
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bool actual_result3 = std::lexicographical_compare( | ||
std::begin(c1), std::end(c1), std::begin(c2), std::end(c2)); | ||
hpx::future<bool> result3 = | ||
hpx::ranges::lexicographical_compare(policy, c1, c2); | ||
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result1.wait(); | ||
result2.wait(); | ||
result3.wait(); | ||
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HPX_TEST_EQ(actual_result1, result1.get()); | ||
HPX_TEST_EQ(actual_result2, result2.get()); | ||
HPX_TEST_EQ(actual_result3, result3.get()); | ||
} | ||
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template <typename IteratorTag> | ||
void test_lexicographical_compare() | ||
{ | ||
using namespace hpx::execution; | ||
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test_lexicographical_compare(IteratorTag()); | ||
test_lexicographical_compare(seq, IteratorTag()); | ||
test_lexicographical_compare(par, IteratorTag()); | ||
test_lexicographical_compare(par_unseq, IteratorTag()); | ||
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test_fill_async(seq(task), IteratorTag()); | ||
test_fill_async(par(task), IteratorTag()); | ||
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test_fill_sent(); | ||
test_fill_sent(seq); | ||
test_fill_sent(par); | ||
test_fill_sent(par_unseq); | ||
} | ||
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void lexicographical_compare_test() | ||
{ | ||
test_lexicographical_compare<std::random_access_iterator_tag>(); | ||
test_lexicographical_compare<std::forward_iterator_tag>(); | ||
} | ||
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//////////////////////////////////////////////////////////////////////////// | ||
int hpx_main(hpx::program_options::variables_map& vm) | ||
{ | ||
unsigned int seed1 = (unsigned int) std::time(nullptr); | ||
if (vm.count("seed")) | ||
seed1 = vm["seed"].as<unsigned int>(); | ||
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std::cout << "using seed: " << seed1 << std::endl; | ||
std::srand(seed1); | ||
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seed = seed1; | ||
gen = std::mt19937(seed); | ||
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lexicographical_compare_test(); | ||
return hpx::local::finalize(); | ||
} | ||
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int main(int argc, char* argv[]) | ||
{ | ||
// add command line option which controls the random number generator seed | ||
using namespace hpx::program_options; | ||
options_description desc_commandline( | ||
"Usage: " HPX_APPLICATION_STRING " [options]"); | ||
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desc_commandline.add_options()("seed,s", value<unsigned int>(), | ||
"the random number generator seed to use for this run"); | ||
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// By default this test should run on all available cores | ||
std::vector<std::string> const cfg = {"hpx.os_threads=all"}; | ||
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// Initialize and run HPX | ||
hpx::local::init_params init_args; | ||
init_args.desc_cmdline = desc_commandline; | ||
init_args.cfg = cfg; | ||
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HPX_TEST_EQ_MSG(hpx::local::init(hpx_main, argc, argv, init_args), 0, | ||
"HPX main exited with non-zero status"); | ||
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return hpx::util::report_errors(); | ||
} |