1/*
2 * Copyright 2017-present Facebook, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <folly/futures/test/TestExecutor.h>
18#include <folly/portability/GTest.h>
19
20using namespace std;
21using namespace std::chrono;
22using namespace folly;
23
24TEST(TestExecutor, parallel_run) {
25 mutex m;
26 set<thread::id> ids;
27 auto executor = std::make_unique<TestExecutor>(4);
28 const auto numThreads = executor->numThreads();
29 EXPECT_EQ(4, numThreads);
30 for (auto idx = 0U; idx < numThreads * 10; ++idx) {
31 executor->add([&m, &ids]() mutable {
32 /* sleep override */ this_thread::sleep_for(milliseconds(100));
33 lock_guard<mutex> lg(m);
34 ids.insert(this_thread::get_id());
35 });
36 }
37
38 executor = nullptr;
39 EXPECT_EQ(ids.size(), numThreads);
40}
41