928e679cf3
Bug: 28341362 Change-Id: I29a56734e54740e4b15fe2f6cacbbd867163ae79 Test: build with clang-tidy
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
/*
|
|
* Copyright (C) 2015 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef ANDROID_TEST_HELPERS_H_
|
|
#define ANDROID_TEST_HELPERS_H_
|
|
|
|
#include <future>
|
|
#include <thread>
|
|
|
|
namespace android {
|
|
|
|
/**
|
|
* Runs the given function after the specified delay.
|
|
* NOTE: if the std::future returned from std::async is not bound, this function
|
|
* will block until the task completes. This is almost certainly NOT what you
|
|
* want, so save the return value from delay_async into a variable:
|
|
*
|
|
* auto f = delay_async(100ms, []{ ALOGD("Hello world"); });
|
|
*/
|
|
template<class Function, class Duration>
|
|
decltype(auto) delay_async(Duration&& delay, Function&& task)
|
|
{
|
|
return std::async(std::launch::async, [=]{ std::this_thread::sleep_for(delay); task(); });
|
|
}
|
|
|
|
/**
|
|
* Creates and opens a temporary file at the given path. The file is unlinked
|
|
* and closed in the destructor.
|
|
*/
|
|
class TempFile {
|
|
public:
|
|
explicit TempFile(const char* path);
|
|
~TempFile();
|
|
|
|
// No copy or assign
|
|
TempFile(const TempFile&) = delete;
|
|
TempFile& operator=(const TempFile&) = delete;
|
|
|
|
const char* getName() const { return mName; }
|
|
int getFd() const { return mFd; }
|
|
|
|
private:
|
|
char* mName;
|
|
int mFd;
|
|
};
|
|
|
|
/**
|
|
* Creates a temporary directory that can create temporary files. The directory
|
|
* is emptied and deleted in the destructor.
|
|
*/
|
|
class TempDir {
|
|
public:
|
|
TempDir();
|
|
~TempDir();
|
|
|
|
// No copy or assign
|
|
TempDir(const TempDir&) = delete;
|
|
TempDir& operator=(const TempDir&) = delete;
|
|
|
|
const char* getName() const { return mName; }
|
|
|
|
TempFile* newTempFile();
|
|
|
|
private:
|
|
char* mName;
|
|
};
|
|
|
|
} // namespace android
|
|
|
|
#endif // ANDROID_TEST_HELPERS_H_
|