ChromeOS: Implement periodic timezone refresh on geolocation data.

chromeos/timezone/timezone_unittest.cc

 // Copyright 2014 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.
 
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "chromeos/geolocation/geoposition.h"
 #include "chromeos/timezone/timezone_provider.h"
+#include "chromeos/timezone/timezone_resolver.h"
 #include "net/http/http_response_headers.h"
 #include "net/http/http_status_code.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_fetcher_impl.h"
 #include "net/url_request/url_request_status.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 const int kRequestRetryIntervalMilliSeconds = 200;
@@ skipping 261 matching lines @@
                  << url_factory.attempts() << "), no more then "
                  << expected_retries + 1 << " expected.";
   }
   if (url_factory.attempts() < expected_retries - 1) {
     LOG(WARNING) << "TimeZoneTest::InvalidResponse: Too less attempts ("
                  << url_factory.attempts() << "), greater then "
                  << expected_retries - 1 << " expected.";
   }
 }
 
+TEST(TimeZoneResolverTest, CheckIntervals) {
+  for (int requests_count = 1; requests_count < 10; ++requests_count) {
+    EXPECT_EQ(requests_count,
+              TimeZoneResolver::MaxRequestsCountForIntervalForTesting(
+                  TimeZoneResolver::IntervalForNextRequestForTesting(
+                      requests_count)));
+  }
+}
+
 }  // namespace chromeos