MaxScale/server/core/test/test_thread.cc
Johan Wikman f152c118cb Name core tests consistently
Now, given a concept xyz,
* the main test file is called test_xyz.cc
* the executable is called test_xyz, and
* the ctest test is called text_xyz.
2017-11-10 14:45:54 +02:00

101 lines
2.0 KiB
C++

/*
* Copyright (c) 2016 MariaDB Corporation Ab
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
*
* Change Date: 2020-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2 or later of the General
* Public License.
*/
#include <stdlib.h>
#include <iostream>
#include <vector>
#include <maxscale/thread.hh>
// We want asserts in release mode as well.
#if !defined(SS_DEBUG)
#define SS_DEBUG
#endif
#include <maxscale/debug.h>
using std::cout;
using std::endl;
using std::vector;
int function(int i)
{
return i / 2;
}
void test_basics()
{
cout << __func__ << endl;
mxs::packaged_task<int, int> t1;
ss_dassert(!t1.valid());
mxs::packaged_task<int, int> t2(function);
ss_dassert(t2.valid());
t1 = t2; // Move task.
ss_dassert(t1.valid());
ss_dassert(!t2.valid());
mxs::future<int> f1;
ss_dassert(!f1.valid());
mxs::future<int> f2 = t1.get_future();
ss_dassert(t1.valid());
ss_dassert(f2.valid());
f1 = f2; // Move future
ss_dassert(f1.valid());
ss_dassert(!f2.valid());
}
void test_running()
{
cout << __func__ << endl;
const int N = 10;
vector<mxs::future<int> > results;
vector<mxs::thread> threads;
cout << "Starting threads" << endl;
for (int i = 0; i < N; ++i)
{
cout << i << endl;
mxs::packaged_task<int, int> task(function);
mxs::future<int> r = task.get_future();
int arg = i;
mxs::thread t(task, arg);
results.push_back(r);
threads.push_back(t);
}
cout << "All threads started." << endl;
cout << "Waiting for threads." << endl;
for (int i = 0; i < N; ++i)
{
cout << i << endl;
threads[i].join();
int got = results[i].get();
int expected = function(i);
ss_dassert(got == expected);
}
}
int main()
{
test_basics();
test_running();
return EXIT_SUCCESS;
}