Clementine-audio-player-Mac.../tests/concurrentrun_test.cpp

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#include "gtest/gtest.h"
#include <QEventLoop>
#include <QFutureWatcher>
#include <QThreadPool>
#include "core/concurrentrun.h"
#include "test_utils.h"
int max(int i, int j) {
return (i > j ? i : j);
}
TEST(ConcurrentRunTest, ConcurrentRunStartAndWait) {
int i = 10;
int j = 42;
QThreadPool threadpool;
QFuture<int> future = ConcurrentRun::Run<int, int, int>(&threadpool, &max, i, j);
QFutureWatcher<int> watcher;
watcher.setFuture(future);
QEventLoop loop;
QObject::connect(&watcher, SIGNAL(finished()), &loop, SLOT(quit()));
loop.exec();
EXPECT_EQ(42, watcher.result());
}
// TODO: add some more complex test cases? (e.g. with several CPU-consuming
// tasks launched in parallel, with/without threadpool's threads numbers
// decreased, etc.)