Add more flexible handling of what is considered a google home page.

chrome/browser/google/google_util_unittest.cc

+// Copyright (c) 2011 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/google/google_url_tracker.h"
+#include "chrome/browser/google/google_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using google_util::IsGoogleHomePageUrl;
+
+TEST(GoogleUtilTest, GoodHomePages) {
+  // Valid home page URLs.
+  EXPECT_TRUE(IsGoogleHomePageUrl("http://www.google.com"));
+  EXPECT_TRUE(IsGoogleHomePageUrl("http://www.google.ca"));
+  EXPECT_TRUE(IsGoogleHomePageUrl("http://www.google.co.uk"));
+  EXPECT_TRUE(IsGoogleHomePageUrl(GoogleURLTracker::kDefaultGoogleHomepage));
+
+  // Only the paths /, /webhp, and /ig.* are valid.  Query parameters are
+  // ignored.
+  EXPECT_TRUE(IsGoogleHomePageUrl("http://www.google.com/"));
+  EXPECT_TRUE(IsGoogleHomePageUrl("http://www.google.com/webhp"));
+  EXPECT_TRUE(IsGoogleHomePageUrl("http://www.google.com/webhp?rlz=TEST"));
+  EXPECT_TRUE(IsGoogleHomePageUrl("http://www.google.com/ig"));
+  EXPECT_TRUE(IsGoogleHomePageUrl("http://www.google.com/ig/foo"));
+  EXPECT_TRUE(IsGoogleHomePageUrl("http://www.google.com/ig?rlz=TEST"));
+  EXPECT_TRUE(IsGoogleHomePageUrl("http://www.google.com/ig/foo?rlz=TEST"));
+
+  // Protocol https is valid.
+  EXPECT_TRUE(IsGoogleHomePageUrl("https://www.google.com/"));
+}
+
+TEST(GoogleUtilTest, BadHomePages) {
+  EXPECT_FALSE(IsGoogleHomePageUrl(""));
+
+  // Only the "www" subdomain is OK.
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://maps.google.com"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://foo.google.com"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://google.com"));
+
+  // No non-standard port numbers.
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://www.google.com:1234"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("https://www.google.com:5678"));
+
+  // Invalid TLDs.
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://www.google.abc"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://www.google.com.abc"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://www.google.abc.com"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://www.google.ab.cd"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://www.google.uk.qq"));
+
+  // Must be http or https.

[SteveT, 2011/11/28 21:04:49]

Add a case for "www.google.com" (schemeless but valid TLD and subdomain)?

[Roger Tawa OOO till Jul 10th, 2011/11/29 16:00:09]

Done.

+  EXPECT_FALSE(IsGoogleHomePageUrl("ftp://www.google.com"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("file://does/not/exist"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("bad://www.google.com"));
+
+  // Only the paths /, /webhp, and /ig.* are valid.
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://www.google.com/abc"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://www.google.com/webhpabc"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://www.google.com/webhp/abc"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://www.google.com/abcig"));
+  EXPECT_FALSE(IsGoogleHomePageUrl("http://www.google.com/webhp/ig"));
+}