TEST(WindowExecutor, parallelWithError) {
ManualExecutor executor;
std::vector<int> input;
std::vector<Promise<int>> ps(10);
for (size_t i = 0; i < ps.size(); i++) {
input.emplace_back(i);
}
auto f = collect(
window(&executor, input, [&](int i) { return ps[i].getFuture(); }, 3));
std::vector<std::thread> ts;
boost::barrier barrier(ps.size() + 1);
for (size_t i = 0; i < ps.size(); i++) {
ts.emplace_back([&ps, &barrier, i]() {
barrier.wait();
if (i == (ps.size() / 2)) {
ps[i].setException(eggs);
} else {
ps[i].setValue(i);
}
});
}
barrier.wait();
for (auto& t : ts) {
t.join();
}
executor.drain();
EXPECT_TRUE(f.isReady());
EXPECT_THROW(f.value(), eggs_t);
}
TEST(WindowExecutor, parallel) {
ManualExecutor executor;
std::vector<int> input;
std::vector<Promise<int>> ps(10);
for (size_t i = 0; i < ps.size(); i++) {
input.emplace_back(i);
}
auto f = collect(
window(&executor, input, [&](int i) { return ps[i].getFuture(); }, 3));
std::vector<std::thread> ts;
boost::barrier barrier(ps.size() + 1);
for (size_t i = 0; i < ps.size(); i++) {
ts.emplace_back([&ps, &barrier, i]() {
barrier.wait();
ps[i].setValue(i);
});
}
barrier.wait();
for (auto& t : ts) {
t.join();
}
executor.drain();
EXPECT_TRUE(f.isReady());
for (size_t i = 0; i < ps.size(); i++) {
EXPECT_EQ(i, f.value()[i]);
}
}
