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/*
* Copyright © Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 or 3,
* as published by the Free Software Foundation.
*
* 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 "mir/thread_name.h"
#include "mir/test/signal.h"
#include <thread>
#include <pthread.h>
#include <gtest/gtest.h>
#include <gmock/gmock.h>
namespace mt = mir::test;
namespace
{
std::string name_of_thread(std::thread& t)
{
static size_t const max_thread_name_size = 16;
char thread_name[max_thread_name_size];
pthread_getname_np(t.native_handle(), thread_name, sizeof thread_name);
return {thread_name};
}
struct MirThreadName : ::testing::Test
{
std::thread& start_thread_with_name(std::string const& name)
{
thread = std::thread{
[this,name]
{
mir::set_thread_name(name);
thread_name_set.raise();
finish_thread.wait_for(std::chrono::seconds{5});
}};
thread_name_set.wait_for(std::chrono::seconds{5});
return thread;
}
~MirThreadName()
{
finish_thread.raise();
if (thread.joinable())
thread.join();
}
private:
std::thread thread;
mt::Signal finish_thread;
mt::Signal thread_name_set;
};
MATCHER_P(IsPrefixOf, value, "")
{
return value.find(arg) == 0;
}
}
TEST_F(MirThreadName, sets_thread_name)
{
using namespace ::testing;
std::string const thread_name{"Mir:thread"};
auto& thread = start_thread_with_name(thread_name);
EXPECT_THAT(name_of_thread(thread), Eq(thread_name));
}
TEST_F(MirThreadName, sets_part_of_long_thread_name)
{
using namespace ::testing;
std::string const long_thread_name{"Mir:mylongthreadnameabcdefghijklmnopqrstuvwxyz"};
auto& thread = start_thread_with_name(long_thread_name);
EXPECT_THAT(name_of_thread(thread), IsPrefixOf(long_thread_name));
}
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