2 * Copyright 2015 Facebook, Inc.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #include <gtest/gtest.h>
18 #include <folly/wangle/concurrent/GlobalExecutor.h>
19 #include <folly/wangle/concurrent/IOExecutor.h>
21 using namespace folly::wangle;
23 TEST(GlobalExecutorTest, GlobalCPUExecutor) {
24 class DummyExecutor : public folly::Executor {
26 void add(folly::Func f) override {
33 // The default CPU executor is a synchronous inline executor, lets verify
34 // that work we add is executed
36 auto f = [&](){ count++; };
38 // Don't explode, we should create the default global CPUExecutor lazily here.
39 getCPUExecutor()->add(f);
43 auto dummy = std::make_shared<DummyExecutor>();
44 setCPUExecutor(dummy);
45 getCPUExecutor()->add(f);
46 // Make sure we were properly installed.
47 EXPECT_EQ(1, dummy->count);
51 // Don't explode, we should restore the default global CPUExecutor because our
52 // weak reference to dummy has expired
53 getCPUExecutor()->add(f);
57 TEST(GlobalExecutorTest, GlobalIOExecutor) {
58 class DummyExecutor : public IOExecutor {
60 void add(folly::Func f) override {
63 folly::EventBase* getEventBase() override {
71 // Don't explode, we should create the default global IOExecutor lazily here.
72 getIOExecutor()->add(f);
75 auto dummy = std::make_shared<DummyExecutor>();
77 getIOExecutor()->add(f);
78 // Make sure we were properly installed.
79 EXPECT_EQ(1, dummy->count);
82 // Don't explode, we should restore the default global IOExecutor because our
83 // weak reference to dummy has expired
84 getIOExecutor()->add(f);