system_tests.cpp

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/*
 The Real-Time eXperiment Interface (RTXI)
 Copyright (C) 2011 Georgia Institute of Technology, University of Utah, Weill Cornell Medical College

 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 <system_tests.h>
#include <gmock/gmock.h>
#include <rt.h>
#include <chrono>
#include <thread>

TEST_F(SystemTest, getInstance)
{
 system = RT::System::getInstance();
 EXPECT_EQ(system, RT::System::getInstance());
 EXPECT_EQ(system, system->getInstance());
}

TEST_F(SystemTest, getPeriod)
{
 // Check with default period
 auto period = 1000000ll;
 ASSERT_EQ(period, system->getPeriod());
}

TEST_F(SystemTest, setPeriod)
{
 auto period = 1000000ll;
 int retval = system->setPeriod(period);
 ASSERT_EQ(retval, 0);
 EXPECT_EQ(period, system->getPeriod());
 period += period;
 retval = system->setPeriod(period);
 EXPECT_EQ(period, system->getPeriod());
}

TEST_F(SystemTest, postEvent)
{
 MockRTEvent event;
 EXPECT_CALL(event, callback()).Times(::testing::AtLeast(1));
 auto retval = system->postEvent(&event, true);
 EXPECT_EQ(retval, 0);
}

TEST_F(SystemTest, forEachDevice)
{
 // foreachDevice function is unused by RT::System. This test
 // however checks whether RT::System is looping through all
 // devices. Useful for RT Thread testing.
 using namespace std::chrono_literals;
 MockRTDevice device;
 device.setActive(true);
 EXPECT_CALL(device, read()).Times(::testing::AtLeast(10));
 EXPECT_CALL(device, write()).Times(::testing::AtLeast(10));
 std::this_thread::sleep_for(1s);
}

TEST_F(SystemTest, forEachThread)
{
 // foreachThread function is unused by RT::System. This test
 // however checks whether RT::System is looping through all
 // threads. Useful for RT Thread testing.
 using namespace std::chrono_literals;
 MockRTThread thread;
 thread.setActive(true);
 EXPECT_CALL(thread, execute()).Times(::testing::AtLeast(10));
 std::this_thread::sleep_for(1s);
}