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libcares/test/gmock-1.8.0/gmock-gtest-all.cc  view on Meta::CPAN

  FILETIME now_filetime;
  ULARGE_INTEGER now_int64;
  // TODO(kenton@google.com): Shouldn't this just use
  //   GetSystemTimeAsFileTime()?
  GetSystemTime(&now_systime);
  if (SystemTimeToFileTime(&now_systime, &now_filetime)) {
    now_int64.LowPart = now_filetime.dwLowDateTime;
    now_int64.HighPart = now_filetime.dwHighDateTime;
    now_int64.QuadPart = (now_int64.QuadPart / kTenthMicrosInMilliSecond) -
      kJavaEpochToWinFileTimeDelta;
    return now_int64.QuadPart;
  }
  return 0;
#elif GTEST_OS_WINDOWS && !GTEST_HAS_GETTIMEOFDAY_
  __timeb64 now;

  // MSVC 8 deprecates _ftime64(), so we want to suppress warning 4996
  // (deprecated function) there.
  // TODO(kenton@google.com): Use GetTickCount()?  Or use
  //   SystemTimeToFileTime()
  GTEST_DISABLE_MSC_WARNINGS_PUSH_(4996)
  _ftime64(&now);
  GTEST_DISABLE_MSC_WARNINGS_POP_()

  return static_cast<TimeInMillis>(now.time) * 1000 + now.millitm;
#elif GTEST_HAS_GETTIMEOFDAY_
  struct timeval now;
  gettimeofday(&now, NULL);
  return static_cast<TimeInMillis>(now.tv_sec) * 1000 + now.tv_usec / 1000;
#else
# error "Don't know how to get the current time on your system."
#endif
}

// Utilities

// class String.

#if GTEST_OS_WINDOWS_MOBILE
// Creates a UTF-16 wide string from the given ANSI string, allocating
// memory using new. The caller is responsible for deleting the return
// value using delete[]. Returns the wide string, or NULL if the
// input is NULL.
LPCWSTR String::AnsiToUtf16(const char* ansi) {
  if (!ansi) return NULL;
  const int length = strlen(ansi);
  const int unicode_length =
      MultiByteToWideChar(CP_ACP, 0, ansi, length,
                          NULL, 0);
  WCHAR* unicode = new WCHAR[unicode_length + 1];
  MultiByteToWideChar(CP_ACP, 0, ansi, length,
                      unicode, unicode_length);
  unicode[unicode_length] = 0;
  return unicode;
}

// Creates an ANSI string from the given wide string, allocating
// memory using new. The caller is responsible for deleting the return
// value using delete[]. Returns the ANSI string, or NULL if the
// input is NULL.
const char* String::Utf16ToAnsi(LPCWSTR utf16_str)  {
  if (!utf16_str) return NULL;
  const int ansi_length =
      WideCharToMultiByte(CP_ACP, 0, utf16_str, -1,
                          NULL, 0, NULL, NULL);
  char* ansi = new char[ansi_length + 1];
  WideCharToMultiByte(CP_ACP, 0, utf16_str, -1,
                      ansi, ansi_length, NULL, NULL);
  ansi[ansi_length] = 0;
  return ansi;
}

#endif  // GTEST_OS_WINDOWS_MOBILE

// Compares two C strings.  Returns true iff they have the same content.
//
// Unlike strcmp(), this function can handle NULL argument(s).  A NULL
// C string is considered different to any non-NULL C string,
// including the empty string.
bool String::CStringEquals(const char * lhs, const char * rhs) {
  if ( lhs == NULL ) return rhs == NULL;

  if ( rhs == NULL ) return false;

  return strcmp(lhs, rhs) == 0;
}

#if GTEST_HAS_STD_WSTRING || GTEST_HAS_GLOBAL_WSTRING

// Converts an array of wide chars to a narrow string using the UTF-8
// encoding, and streams the result to the given Message object.
static void StreamWideCharsToMessage(const wchar_t* wstr, size_t length,
                                     Message* msg) {
  for (size_t i = 0; i != length; ) {  // NOLINT
    if (wstr[i] != L'\0') {
      *msg << WideStringToUtf8(wstr + i, static_cast<int>(length - i));
      while (i != length && wstr[i] != L'\0')
        i++;
    } else {
      *msg << '\0';
      i++;
    }
  }
}

#endif  // GTEST_HAS_STD_WSTRING || GTEST_HAS_GLOBAL_WSTRING

void SplitString(const ::std::string& str, char delimiter,
                 ::std::vector< ::std::string>* dest) {
  ::std::vector< ::std::string> parsed;
  ::std::string::size_type pos = 0;
  while (::testing::internal::AlwaysTrue()) {
    const ::std::string::size_type colon = str.find(delimiter, pos);
    if (colon == ::std::string::npos) {
      parsed.push_back(str.substr(pos));
      break;
    } else {
      parsed.push_back(str.substr(pos, colon - pos));
      pos = colon + 1;
    }
  }
  dest->swap(parsed);
}

}  // namespace internal

// Constructs an empty Message.

libcares/test/gmock-1.8.0/gmock-gtest-all.cc  view on Meta::CPAN

    ElementMatcherPairs result;
    for (size_t ilhs = 0; ilhs < left_.size(); ++ilhs) {
      size_t irhs = left_[ilhs];
      if (irhs == kUnused) continue;
      result.push_back(ElementMatcherPair(ilhs, irhs));
    }
    return result;
  }

 private:
  static const size_t kUnused = static_cast<size_t>(-1);

  // Perform a depth-first search from left node ilhs to the sink.  If a
  // path is found, flow is added to the network by linking the left and
  // right vector elements corresponding each segment of the path.
  // Returns true if a path to sink was found, which means that a unit of
  // flow was added to the network. The 'seen' vector elements correspond
  // to right nodes and are marked to eliminate cycles from the search.
  //
  // Left nodes will only be explored at most once because they
  // are accessible from at most one right node in the residual flow
  // graph.
  //
  // Note that left_[ilhs] is the only element of left_ that TryAugment will
  // potentially transition from kUnused to another value. Any other
  // left_ element holding kUnused before TryAugment will be holding it
  // when TryAugment returns.
  //
  bool TryAugment(size_t ilhs, ::std::vector<char>* seen) {
    for (size_t irhs = 0; irhs < graph_->RhsSize(); ++irhs) {
      if ((*seen)[irhs])
        continue;
      if (!graph_->HasEdge(ilhs, irhs))
        continue;
      // There's an available edge from ilhs to irhs.
      (*seen)[irhs] = 1;
      // Next a search is performed to determine whether
      // this edge is a dead end or leads to the sink.
      //
      // right_[irhs] == kUnused means that there is residual flow from
      // right node irhs to the sink, so we can use that to finish this
      // flow path and return success.
      //
      // Otherwise there is residual flow to some ilhs. We push flow
      // along that path and call ourselves recursively to see if this
      // ultimately leads to sink.
      if (right_[irhs] == kUnused || TryAugment(right_[irhs], seen)) {
        // Add flow from left_[ilhs] to right_[irhs].
        left_[ilhs] = irhs;
        right_[irhs] = ilhs;
        return true;
      }
    }
    return false;
  }

  const MatchMatrix* graph_;  // not owned
  // Each element of the left_ vector represents a left hand side node
  // (i.e. an element) and each element of right_ is a right hand side
  // node (i.e. a matcher). The values in the left_ vector indicate
  // outflow from that node to a node on the the right_ side. The values
  // in the right_ indicate inflow, and specify which left_ node is
  // feeding that right_ node, if any. For example, left_[3] == 1 means
  // there's a flow from element #3 to matcher #1. Such a flow would also
  // be redundantly represented in the right_ vector as right_[1] == 3.
  // Elements of left_ and right_ are either kUnused or mutually
  // referent. Mutually referent means that left_[right_[i]] = i and
  // right_[left_[i]] = i.
  ::std::vector<size_t> left_;
  ::std::vector<size_t> right_;

  GTEST_DISALLOW_ASSIGN_(MaxBipartiteMatchState);
};

const size_t MaxBipartiteMatchState::kUnused;

GTEST_API_ ElementMatcherPairs
FindMaxBipartiteMatching(const MatchMatrix& g) {
  return MaxBipartiteMatchState(g).Compute();
}

static void LogElementMatcherPairVec(const ElementMatcherPairs& pairs,
                                     ::std::ostream* stream) {
  typedef ElementMatcherPairs::const_iterator Iter;
  ::std::ostream& os = *stream;
  os << "{";
  const char *sep = "";
  for (Iter it = pairs.begin(); it != pairs.end(); ++it) {
    os << sep << "\n  ("
       << "element #" << it->first << ", "
       << "matcher #" << it->second << ")";
    sep = ",";
  }
  os << "\n}";
}

// Tries to find a pairing, and explains the result.
GTEST_API_ bool FindPairing(const MatchMatrix& matrix,
                            MatchResultListener* listener) {
  ElementMatcherPairs matches = FindMaxBipartiteMatching(matrix);

  size_t max_flow = matches.size();
  bool result = (max_flow == matrix.RhsSize());

  if (!result) {
    if (listener->IsInterested()) {
      *listener << "where no permutation of the elements can "
                   "satisfy all matchers, and the closest match is "
                << max_flow << " of " << matrix.RhsSize()
                << " matchers with the pairings:\n";
      LogElementMatcherPairVec(matches, listener->stream());
    }
    return false;
  }

  if (matches.size() > 1) {
    if (listener->IsInterested()) {
      const char *sep = "where:\n";
      for (size_t mi = 0; mi < matches.size(); ++mi) {
        *listener << sep << " - element #" << matches[mi].first
                  << " is matched by matcher #" << matches[mi].second;