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pool.cc
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/*
* MoMEMta: a modular implementation of the Matrix Element Method
* Copyright (C) 2016 Universite catholique de Louvain (UCL), Belgium
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <catch.hpp>
#include <momemta/Pool.h>
TEST_CASE("memory pool", "[pool]") {
std::unique_ptr<Pool> pool(new Pool());
SECTION("Put and get") {
InputTag tag("module", "parameter");
auto ptr = pool->put<double>(tag);
REQUIRE(ptr.get());
*ptr = 12.5;
auto read = pool->get<double>(tag);
REQUIRE(*read == Approx(12.5));
}
SECTION("Get should allocate memory") {
InputTag tag("module", "parameter");
auto value = pool->get<double>(tag);
REQUIRE(value.get());
auto ptr = pool->put<double>(tag);
*ptr = 12.5;
REQUIRE(*value == Approx(12.5));
}
SECTION("Put is allowed only once") {
InputTag tag("module", "parameter");
auto value = pool->put<double>(tag);
REQUIRE(value.get());
CHECK_THROWS_AS(pool->put<double>(tag), Pool::duplicated_tag_error);
}
SECTION("Indexed InputTag") {
InputTag tag("module", "parameter");
InputTag indexed_tag("module", "parameter", 1);
auto ptr = pool->put<std::vector<double>>(tag);
REQUIRE(ptr.get());
ptr->push_back(0);
ptr->push_back(1);
auto value = pool->get<double>(indexed_tag);
REQUIRE(*value == Approx(1));
}
SECTION("Get should allocate a vector for indexed InputTag") {
InputTag tag("module", "parameter", 1);
auto value = pool->get<double>(tag);
auto ptr = pool->put<std::vector<double>>(tag);
ptr->push_back(0);
ptr->push_back(1);
REQUIRE(*value == Approx(1));
}
}