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 "base/metrics/metrics_hashes.h" 6 7 #include <stddef.h> 8 #include <stdint.h> 9 10 #include "base/format_macros.h" 11 #include "base/macros.h" 12 #include "base/strings/stringprintf.h" 13 #include "testing/gtest/include/gtest/gtest.h" 14 15 namespace base { 16 17 // Make sure our ID hashes are the same as what we see on the server side. 18 TEST(MetricsUtilTest, HashMetricName) { 19 static const struct { 20 std::string input; 21 std::string output; 22 } cases[] = { 23 {"Back", "0x0557fa923dcee4d0"}, 24 {"Forward", "0x67d2f6740a8eaebf"}, 25 {"NewTab", "0x290eb683f96572f1"}, 26 }; 27 28 for (size_t i = 0; i < arraysize(cases); ++i) { 29 uint64_t hash = HashMetricName(cases[i].input); 30 std::string hash_hex = base::StringPrintf("0x%016" PRIx64, hash); 31 EXPECT_EQ(cases[i].output, hash_hex); 32 } 33 } 34 35 } // namespace metrics 36