Adding support for forced URLs to TopSites.

chrome/browser/history/top_sites_cache_unittest.cc

Index: chrome/browser/history/top_sites_cache_unittest.cc
diff --git a/chrome/browser/history/top_sites_cache_unittest.cc b/chrome/browser/history/top_sites_cache_unittest.cc
index 0348dc46e827451cb0c2dd3508f5e856e4ba248e..596a11c06f5b86eb43535f59d71ba91247db0ac6 100644
--- a/chrome/browser/history/top_sites_cache_unittest.cc
+++ b/chrome/browser/history/top_sites_cache_unittest.cc
@@ -23,10 +23,14 @@ class TopSitesCacheTest : public testing::Test {
   }
 
  protected:
-  // Initializes |top_sites_| and |cache_| based on |spec|, which is a list of
-  // URL strings with optional indents: indentated URLs redirect to the last
-  // non-indented URL. Titles are assigned as "Title 1", "Title 2", etc., in the
-  // order of appearance. See |kTopSitesSpecBasic| for an example.
+  // Initializes |top_sites_| on |spec|, which is a list of URL strings with
+  // optional indents: indentated URLs redirect to the last non-indented URL.
+  // Titles are assigned as "Title 1", "Title 2", etc., in the order of
+  // appearance. See |kTopSitesSpecBasic| for an example. This function does not
+  // update |cache_| so you can manipulate |top_sites_| before you update it.
+  void BuildTopSites(const char** spec, size_t size);
+
+  // Initializes |top_sites_| and |cache_| based on |spec|.
   void InitTopSiteCache(const char** spec, size_t size);
 
   MostVisitedURLList top_sites_;
@@ -36,7 +40,7 @@ class TopSitesCacheTest : public testing::Test {
   DISALLOW_COPY_AND_ASSIGN(TopSitesCacheTest);
 };
 
-void TopSitesCacheTest::InitTopSiteCache(const char** spec, size_t size) {
+void TopSitesCacheTest::BuildTopSites(const char** spec, size_t size) {
   std::set<std::string> urls_seen;
   for (size_t i = 0; i < size; ++i) {
     const char* spec_item = spec[i];
@@ -54,6 +58,10 @@ void TopSitesCacheTest::InitTopSiteCache(const char** spec, size_t size) {
     // Set up redirect to canonical URL. Canonical URL redirects to itself, too.
     top_sites_.back().redirects.push_back(GURL(spec_item));
   }
+}
+
+void TopSitesCacheTest::InitTopSiteCache(const char** spec, size_t size) {
+  BuildTopSites(spec, size);
   cache_.SetTopSites(top_sites_);
 }
 
@@ -276,6 +284,18 @@ TEST_F(TopSitesCacheTest, GetPrefixCanonicalURLDiffByQuery) {
   }
 }
 
+// This test ensures forced URLs behave in the expected way.
+TEST_F(TopSitesCacheTest, CacheForcedURLs) {
+  // Forced URLs must always appear at the beginning of the list.
+  BuildTopSites(kTopSitesSpecBasic, arraysize(kTopSitesSpecBasic));
+  top_sites_[0].last_forced_time = base::Time::FromJsTime(1000);
+  top_sites_[1].last_forced_time =  base::Time::FromJsTime(2000);
+  cache_.SetTopSites(top_sites_);
+
+  EXPECT_EQ(2u, cache_.GetNbForcedURLs());
+  EXPECT_EQ(2u, cache_.GetNbNonForcedURLs());
+}
+
 }  // namespace
 
 }  // namespace history