Index: components/metrics/metrics_hashes_unittest.cc |
diff --git a/components/metrics/metrics_hashes_unittest.cc b/components/metrics/metrics_hashes_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..8bc18ee16cfb60e8fe214e04516772805909e4b7 |
--- /dev/null |
+++ b/components/metrics/metrics_hashes_unittest.cc |
@@ -0,0 +1,31 @@ |
+// Copyright (c) 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 "components/metrics/metrics_hashes.h" |
+ |
+#include "base/format_macros.h" |
+#include "base/strings/stringprintf.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace metrics { |
+ |
+// Make sure our ID hashes are the same as what we see on the server side. |
+TEST(MetricsUtilTest, HashMetricName) { |
+ 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 = HashMetricName(cases[i].input); |
+ std::string hash_hex = base::StringPrintf("0x%016" PRIx64, hash); |
+ EXPECT_EQ(cases[i].output, hash_hex); |
+ } |
+} |
+ |
+} // namespace metrics |