Identify localhost/ipaddress in RapporSamples

chrome/browser/metrics/rappor/sampling_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 "chrome/browser/metrics/rappor/sampling.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 namespace rappor {
 
 // Test that extracting the sample works correctly for different schemes.
 TEST(RapporSamplingTest, GetDomainAndRegistrySampleFromGURLTest) {
   EXPECT_EQ("google.com", GetDomainAndRegistrySampleFromGURL(
       GURL("https://www.GoOgLe.com:80/blah")));
   EXPECT_EQ("file://", GetDomainAndRegistrySampleFromGURL(
       GURL("file://foo/bar/baz")));
   EXPECT_EQ("chrome-extension://abc1234", GetDomainAndRegistrySampleFromGURL(
       GURL("chrome-extension://abc1234/foo.html")));
   EXPECT_EQ("chrome-search://local-ntp", GetDomainAndRegistrySampleFromGURL(
       GURL("chrome-search://local-ntp/local-ntp.html")));
+  EXPECT_EQ("localhost", GetDomainAndRegistrySampleFromGURL(
+      GURL("http://localhost:8000/foo.html")));
+  EXPECT_EQ("localhost", GetDomainAndRegistrySampleFromGURL(
+      GURL("http://127.0.0.1/foo.html")));
+  EXPECT_EQ("ip_address", GetDomainAndRegistrySampleFromGURL(
+      GURL("http://192.168.0.1/foo.html")));
+  EXPECT_EQ("ip_address", GetDomainAndRegistrySampleFromGURL(
+      GURL("http://[2001:db8::1]/")));

[Nathan Parker, 2015/02/18 21:56:46]

While you're here, add two more:

http://www/ --> ""
http://www.corp/ --> "corp" (I think)

[Steven Holte, 2015/02/19 23:42:19]

Done, but http://www.corp/ --> "www.corp"

 }
 
 // Make sure recording a sample during tests, when the Rappor service is NULL,
 // doesn't cause a crash.
 TEST(RapporSamplingTest, SmokeTest) {
   SampleDomainAndRegistryFromGURL(std::string(), GURL());
 }
 
 }  // namespace rappor