Files
scylladb/tests/thread_test.cc
2015-06-16 17:11:50 +03:00

101 lines
2.7 KiB
C++

/*
* This file is open source software, licensed to you under the terms
* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. You may not use this file except in compliance with the License.
*
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* Copyright (C) 2015 Cloudius Systems, Ltd.
*/
#include "core/thread.hh"
#include "core/do_with.hh"
#include "test-utils.hh"
#include "core/sstring.hh"
#include "core/reactor.hh"
#include "core/semaphore.hh"
#include "core/do_with.hh"
#include "core/future-util.hh"
#include "core/sleep.hh"
using namespace seastar;
using namespace std::chrono_literals;
SEASTAR_TEST_CASE(test_thread_1) {
return do_with(sstring(), [] (sstring& x) {
auto t1 = new thread([&x] {
x = "abc";
});
return t1->join().then([&x] {
BOOST_REQUIRE_EQUAL(x, "abc");
});
});
}
SEASTAR_TEST_CASE(test_thread_2) {
struct tmp {
std::vector<thread> threads;
semaphore sem1{0};
semaphore sem2{0};
int counter = 0;
void thread_fn() {
sem1.wait(1).get();
++counter;
sem2.signal(1);
}
};
return do_with(tmp(), [] (tmp& x) {
auto n = 10;
for (int i = 0; i < n; ++i) {
x.threads.emplace_back(std::bind(&tmp::thread_fn, &x));
}
BOOST_REQUIRE_EQUAL(x.counter, 0);
x.sem1.signal(n);
return x.sem2.wait(n).then([&x, n] {
BOOST_REQUIRE_EQUAL(x.counter, n);
return parallel_for_each(x.threads.begin(), x.threads.end(), std::mem_fn(&thread::join));
});
});
}
SEASTAR_TEST_CASE(test_thread_async) {
sstring x = "x";
sstring y = "y";
auto concat = [] (sstring x, sstring y) {
sleep(10ms).get();
return x + y;
};
return async(concat, x, y).then([] (sstring xy) {
BOOST_REQUIRE_EQUAL(xy, "xy");
});
}
SEASTAR_TEST_CASE(test_thread_async_immed) {
return async([] { return 3; }).then([] (int three) {
BOOST_REQUIRE_EQUAL(three, 3);
});
}
SEASTAR_TEST_CASE(test_thread_async_nested) {
return async([] {
return async([] {
return 3;
}).get0();
}).then([] (int three) {
BOOST_REQUIRE_EQUAL(three, 3);
});
}