RAPPOR implementation

chrome/common/metrics/metrics_log_base_unittest.cc

 // Copyright (c) 2012 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 "chrome/common/metrics/metrics_log_base.h"
 
 #include <string>
 
 #include "base/base64.h"
-#include "base/format_macros.h"
 #include "base/metrics/bucket_ranges.h"
 #include "base/metrics/sample_vector.h"
-#include "base/strings/stringprintf.h"
 #include "chrome/common/metrics/proto/chrome_user_metrics_extension.pb.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 class TestMetricsLogBase : public MetricsLogBase {
  public:
   TestMetricsLogBase() : MetricsLogBase("client_id", 1, "1.2.3.4") {}
   virtual ~TestMetricsLogBase() {}
 
@@ skipping 25 matching lines @@
       parsed.system_profile().build_timestamp());
   expected.mutable_system_profile()->set_app_version("bogus version");
   expected.mutable_system_profile()->set_channel(
       parsed.system_profile().channel());
   expected.mutable_system_profile()->mutable_hardware()->set_hardware_class(
       "sample-class");
 
   EXPECT_EQ(expected.SerializeAsString(), encoded);
 }
 
-// Make sure our ID hashes are the same as what we see on the server side.
-TEST(MetricsLogBaseTest, Hashes) {
-  static const struct {
-    std::string input;
-    std::string output;
-  } cases[] = {
-    {"Back", "0x0557fa923dcee4d0"},
-    {"Forward", "0x67d2f6740a8eaebf"},
-    {"NewTab", "0x290eb683f96572f1"},
-  };
-
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
-    uint64 hash = MetricsLogBase::Hash(cases[i].input);
-    std::string hash_hex = base::StringPrintf("0x%016" PRIx64, hash);
-    EXPECT_EQ(cases[i].output, hash_hex);
-  }
-}
-
 TEST(MetricsLogBaseTest, HistogramBucketFields) {
   // Create buckets: 1-5, 5-7, 7-8, 8-9, 9-10, 10-11, 11-12.
   base::BucketRanges ranges(8);
   ranges.set_range(0, 1);
   ranges.set_range(1, 5);
   ranges.set_range(2, 7);
   ranges.set_range(3, 8);
   ranges.set_range(4, 9);
   ranges.set_range(5, 10);
   ranges.set_range(6, 11);
@@ skipping 36 matching lines @@
   // 10-11 becomes 10-/ (both optimizations apply, omit max is prioritized).
   EXPECT_TRUE(histogram_proto.bucket(3).has_min());
   EXPECT_FALSE(histogram_proto.bucket(3).has_max());
   EXPECT_EQ(10, histogram_proto.bucket(3).min());
 
   // 11-12 becomes /-12 (last record must keep max, min is same as max - 1).
   EXPECT_FALSE(histogram_proto.bucket(4).has_min());
   EXPECT_TRUE(histogram_proto.bucket(4).has_max());
   EXPECT_EQ(12, histogram_proto.bucket(4).max());
 }