зеркало из https://github.com/AvaloniaUI/angle.git
142 строки
4.3 KiB
C++
142 строки
4.3 KiB
C++
//
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// Copyright 2014 The ANGLE Project Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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//
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// test_utils.h: declaration of OS-specific utility functions
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#ifndef UTIL_TEST_UTILS_H_
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#define UTIL_TEST_UTILS_H_
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#include <functional>
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#include <string>
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#include <vector>
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#include "common/angleutils.h"
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#include "util/Timer.h"
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namespace angle
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{
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// Cross platform equivalent of the Windows Sleep function
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void Sleep(unsigned int milliseconds);
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void SetLowPriorityProcess();
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// Write a debug message, either to a standard output or Debug window.
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void WriteDebugMessage(const char *format, ...);
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// Set thread affinity and priority.
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bool StabilizeCPUForBenchmarking();
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// Set a crash handler to print stack traces.
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using CrashCallback = std::function<void()>;
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void InitCrashHandler(CrashCallback *callback);
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void TerminateCrashHandler();
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// Print a stack back trace.
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void PrintStackBacktrace();
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// Get temporary directory.
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bool GetTempDir(char *tempDirOut, uint32_t maxDirNameLen);
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// Creates a temporary file. The full path is placed in |tempFileNameOut|, and the
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// function returns true if was successful in creating the file. The file will
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// be empty and all handles closed after this function returns.
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bool CreateTemporaryFile(char *tempFileNameOut, uint32_t maxFileNameLen);
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// Same as CreateTemporaryFile but the file is created in |dir|.
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bool CreateTemporaryFileInDir(const char *dir, char *tempFileNameOut, uint32_t maxFileNameLen);
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// Deletes a file or directory.
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bool DeleteSystemFile(const char *path);
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// Reads a file contents into a string.
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bool ReadEntireFileToString(const char *filePath, char *contentsOut, uint32_t maxLen);
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// Compute a file's size.
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bool GetFileSize(const char *filePath, uint32_t *sizeOut);
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class ProcessHandle;
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class Process : angle::NonCopyable
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{
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public:
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virtual bool started() = 0;
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virtual bool finished() = 0;
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virtual bool finish() = 0;
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virtual bool kill() = 0;
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virtual int getExitCode() = 0;
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double getElapsedTimeSeconds() const { return mTimer.getElapsedWallClockTime(); }
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const std::string &getStdout() const { return mStdout; }
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const std::string &getStderr() const { return mStderr; }
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protected:
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friend class ProcessHandle;
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virtual ~Process();
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Timer mTimer;
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std::string mStdout;
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std::string mStderr;
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};
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enum class ProcessOutputCapture
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{
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Nothing,
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// Capture stdout only
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StdoutOnly,
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// Capture stdout, and pipe stderr to stdout
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StdoutAndStderrInterleaved,
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// Capture stdout and stderr separately
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StdoutAndStderrSeparately,
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};
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class ProcessHandle final : angle::NonCopyable
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{
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public:
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ProcessHandle();
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ProcessHandle(Process *process);
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ProcessHandle(const std::vector<const char *> &args, ProcessOutputCapture captureOutput);
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~ProcessHandle();
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ProcessHandle(ProcessHandle &&other);
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ProcessHandle &operator=(ProcessHandle &&rhs);
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Process *operator->() { return mProcess; }
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const Process *operator->() const { return mProcess; }
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operator bool() const { return mProcess != nullptr; }
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void reset();
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private:
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Process *mProcess;
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};
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// Launch a process and optionally get the output. Uses a vector of c strings as command line
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// arguments to the child process. Returns a Process handle which can be used to retrieve
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// the stdout and stderr outputs as well as the exit code.
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//
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// Pass false for stdoutOut/stderrOut if you don't need to capture them.
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//
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// On success, returns a Process pointer with started() == true.
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// On failure, returns a Process pointer with started() == false.
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Process *LaunchProcess(const std::vector<const char *> &args, ProcessOutputCapture captureOutput);
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int NumberOfProcessors();
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const char *GetNativeEGLLibraryNameWithExtension();
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// Intercept Metal shader cache access to avoid slow caching mechanism that caused the test timeout
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// in the past. Note:
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// - If there is NO "--skip-file-hooking" switch in the argument list:
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// - This function will re-launch the app with additional argument "--skip-file-hooking".
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// - The running process's image & memory will be re-created.
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// - If there is "--skip-file-hooking" switch in the argument list, this function will do nothing.
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#if defined(ANGLE_PLATFORM_APPLE)
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void InitMetalFileAPIHooking(int argc, char **argv);
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#endif
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} // namespace angle
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#endif // UTIL_TEST_UTILS_H_
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