components/metrics/metrics_hashes_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/metrics/metrics_hashes.h"
   6
   7 #include "base/format_macros.h"
   8 #include "base/strings/stringprintf.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11 namespace metrics {
  12
  13 // Make sure our ID hashes are the same as what we see on the server side.
  14 TEST(MetricsUtilTest, HashMetricName) {
  15   static const struct {
  16     std::string input;
  17     std::string output;
  18   } cases[] = {
  19     {"Back", "0x0557fa923dcee4d0"},
  20     {"Forward", "0x67d2f6740a8eaebf"},
  21     {"NewTab", "0x290eb683f96572f1"},
  22   };
  23
  24   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
  25     uint64 hash = HashMetricName(cases[i].input);
  26     std::string hash_hex = base::StringPrintf("0x%016" PRIx64, hash);
  27     EXPECT_EQ(cases[i].output, hash_hex);
  28   }
  29 }
  30
  31 }  // namespace metrics