Add tests for the geolocation network provider...

chrome/browser/geolocation/wifi_data_provider_linux.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // WiFi card drivers for Linux implement the Wireless Extensions interface.
 // This interface is part of the Linux kernel.
 //
 // Various sets of tools are available to manipulate the Wireless Extensions,
 // of which Wireless Tools is the default implementation. Wireless Tools
 // provides a C++ library (libiw) as well as a set of command line tools
@@ skipping 62 matching lines @@
     : is_first_scan_complete_(false) {
   Start();
 }
 
 LinuxWifiDataProvider::~LinuxWifiDataProvider() {
   stop_event_.Signal();
   Join();
 }
 
 bool LinuxWifiDataProvider::GetData(WifiData *data) {
-  assert(data);
+  DCHECK(data);
   MutexLock lock(&data_mutex_);
   *data = wifi_data_;
   // If we've successfully completed a scan, indicate that we have all of the
   // data we can get.
   return is_first_scan_complete_;
 }
 
 // Thread implementation
 void LinuxWifiDataProvider::Run() {
   // Regularly get the access point data.
@@ skipping 118 matching lines @@
   size_t bytes_read;
   std::string result;
   do {
     bytes_read = fread(buffer, 1, kBufferSize, result_pipe);
     result.append(buffer, bytes_read);
   } while (static_cast<int>(bytes_read) == kBufferSize);
   pclose(result_pipe);
 
 
   // Parse results.
-  assert(access_points);
+  DCHECK(access_points);
   access_points->clear();
   std::string::size_type start = result.find(delimiter);
   while (start != std::string::npos) {
     std::string::size_type end = result.find(delimiter, start + 1);
     std::string::size_type length = (end == std::string::npos) ?
                                     std::string::npos : end - start;
     AccessPointData access_point_data;
     ParseAccessPoint(result.substr(start, length),
                      mac_address_string,
                      ssid_string,
@@ skipping 15 matching lines @@
                                     access_points) ||
          IssueCommandAndParseResult("iwconfig 2> /dev/null",
                                     "ESSID:\"",
                                     "Access Point: ",
                                     "ESSID:",
                                     "Signal level=",
                                     access_points);
 }
 
 #endif  // 0