kc3-lang/angle/util/test_utils.cpp

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• Hash : 95a736bd
  Author :
  Date : 2019-10-09T10:26:25
  

  Reland "Add more test_utils functions."
  
  This is a reland of 5fcfcea4a9379633a83a67fc1d94938cb31f2a9c
  
  Re-land uses static linking with angle_util. The root cause
  of the CFI error wasn't solved. Static linking works around
  the problem by not using any export rules.
  
  Second re-land fixes missing imports for libEGL and libGLESv2
  static varieties.
  
  Original change's description:
  > Add more test_utils functions.
  >
  > Includes methods for creating temporary files, deleting files, and
  > reading files into a string. Also renames GetPathSeparator to mention
  > it's only used for environment variables. Includes a new virtual type
  > angle::Process that will be used to implement cross-platform async
  > Process launching for tests. Also includes a way to specify a custom
  > crash handler callback.
  >
  > Also adds a few unit tests for the new functionality. They are disabled
  > on Android because the functions are not needed by the new test runner.
  >
  > Bug: angleproject:3162
  > Change-Id: I3e2c2e9837608884c98379fa0f78c9ffbe158d73
  > Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1821940
  > Commit-Queue: Jamie Madill <jmadill@chromium.org>
  > Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  
  Bug: chromium:1015810
  Bug: angleproject:3162
  Change-Id: I2a18b819b0f91df610ad12ffedea2b38349fe7cf
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1879859
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
  

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• util/test_utils.cpp

• //
  // Copyright 2019 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // system_utils: Defines common utility functions
  
  #include "util/test_utils.h"
  
  #include <cstring>
  #include <fstream>
  
  namespace angle
  {
  bool CreateTemporaryFile(char *tempFileNameOut, uint32_t maxFileNameLen)
  {
      constexpr uint32_t kMaxPath = 1000u;
      char tempPath[kMaxPath];
  
      if (!GetTempDir(tempPath, kMaxPath))
          return false;
  
      return CreateTemporaryFileInDir(tempPath, tempFileNameOut, maxFileNameLen);
  }
  
  bool GetFileSize(const char *filePath, uint32_t *sizeOut)
  {
      std::ifstream stream(filePath);
      if (!stream)
      {
          return false;
      }
  
      stream.seekg(0, std::ios::end);
      *sizeOut = static_cast<uint32_t>(stream.tellg());
      return true;
  }
  
  bool ReadEntireFileToString(const char *filePath, char *contentsOut, uint32_t maxLen)
  {
      std::ifstream stream(filePath);
      if (!stream)
      {
          return false;
      }
  
      std::string contents;
  
      stream.seekg(0, std::ios::end);
      contents.reserve(static_cast<unsigned int>(stream.tellg()));
      stream.seekg(0, std::ios::beg);
  
      contents.assign((std::istreambuf_iterator<char>(stream)), std::istreambuf_iterator<char>());
  
      strncpy(contentsOut, contents.c_str(), maxLen);
      return true;
  }
  
  // static
  Process::~Process() = default;
  
  ProcessHandle::ProcessHandle() : mProcess(nullptr) {}
  
  ProcessHandle::ProcessHandle(Process *process) : mProcess(process) {}
  
  ProcessHandle::ProcessHandle(const std::vector<const char *> &args,
                               bool captureStdout,
                               bool captureStderr)
      : mProcess(LaunchProcess(args, captureStdout, captureStderr))
  {}
  
  ProcessHandle::~ProcessHandle()
  {
      reset();
  }
  
  ProcessHandle::ProcessHandle(ProcessHandle &&other) : mProcess(other.mProcess)
  {
      other.mProcess = nullptr;
  }
  
  ProcessHandle &ProcessHandle::operator=(ProcessHandle &&rhs)
  {
      std::swap(mProcess, rhs.mProcess);
      return *this;
  }
  
  void ProcessHandle::reset()
  {
      if (mProcess)
      {
          delete mProcess;
          mProcess = nullptr;
      }
  }
  }  // namespace angle
  

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