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/*
* Copyright © 2017 Collabora Ltd.
*
* This file is part of vkmark.
*
* vkmark is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either
* version 2.1 of the License, or (at your option) any later version.
*
* vkmark 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with vkmark. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Alexandros Frantzis <alexandros.frantzis@collabora.com>
*/
#include "src/managed_resource.h"
#include "catch.hpp"
#include <memory>
SCENARIO("managed resource", "")
{
GIVEN("A managed resource with a destructor")
{
int x = 0;
auto mr = std::make_unique<ManagedResource<int*>>(
std::move(&x), [] (auto const& p) { *p = -1; });
WHEN("the managed resource is destroyed")
{
mr.reset();
THEN("the destructor is invoked")
{
REQUIRE(x == -1);
}
}
WHEN("the managed resource is moved with move-construction")
{
auto new_mr = std::make_unique<ManagedResource<int*>>(
std::move(*mr));
THEN("ownership is moved to new object")
{
mr.reset();
REQUIRE(x == 0);
new_mr.reset();
REQUIRE(x == -1);
}
}
WHEN("the managed resource is moved with move-assignment")
{
int y = 0;
auto new_mr = std::make_unique<ManagedResource<int*>>(
std::move(&y), [] (auto const& p) { *p = -1; });
*new_mr = std::move(*mr);
THEN("old resource of new object is destroyed")
{
REQUIRE(y == -1);
}
THEN("ownership is moved to new object")
{
mr.reset();
REQUIRE(x == 0);
new_mr.reset();
REQUIRE(x == -1);
}
}
WHEN("the resource is stolen")
{
mr->steal();
THEN("ownership is removed")
{
mr.reset();
REQUIRE(x == 0);
}
}
}
}
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