1/*
2 * Copyright 2015-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/detail/Core.h>
18#include <folly/futures/Future.h>
19#include <folly/portability/GTest.h>
20
21using namespace folly;
22
23TEST(Core, size) {
24 static constexpr size_t lambdaBufSize = 8 * sizeof(void*);
25 struct Gold {
26 typename std::aligned_storage<lambdaBufSize>::type lambdaBuf_;
27 folly::Optional<Try<Unit>> result_;
28 folly::Function<void(Try<Unit>&&)> callback_;
29 std::atomic<futures::detail::State> state_;
30 std::atomic<unsigned char> attached_;
31 std::atomic<bool> interruptHandlerSet_;
32 futures::detail::SpinLock interruptLock_;
33 int8_t priority_;
34 Executor* executor_;
35 std::shared_ptr<RequestContext> context_;
36 std::unique_ptr<exception_wrapper> interrupt_;
37 std::function<void(exception_wrapper const&)> interruptHandler_;
38 };
39 // If this number goes down, it's fine!
40 // If it goes up, please seek professional advice ;-)
41 EXPECT_GE(sizeof(Gold), sizeof(futures::detail::Core<Unit>));
42}
43