Changes to add duration into history database.

chrome/browser/history/history_backend_unittest.cc

Index: chrome/browser/history/history_backend_unittest.cc
diff --git a/chrome/browser/history/history_backend_unittest.cc b/chrome/browser/history/history_backend_unittest.cc
index b4c071674365348e3d4515e1a8954de6ec41d60e..4bd9d291b2cf89488ba0fb00f13f4aa1660cfe25 100644
--- a/chrome/browser/history/history_backend_unittest.cc
+++ b/chrome/browser/history/history_backend_unittest.cc
@@ -1385,4 +1385,52 @@ TEST_F(HistoryBackendTest, QueryFilteredURLs) {
             get_most_visited_list()[0].url.spec());
 }
 
+TEST_F(HistoryBackendTest, UpdateVisitDuration) {
+  // This unit test will test adding and deleting visit details information.
+  ASSERT_TRUE(backend_.get());
+
+  GURL url1("http://www.cnn.com");
+  std::vector<VisitInfo> visit_info1, visit_info2;
+  Time start_ts = Time::Now() - base::TimeDelta::FromDays(5);
+  Time end_ts = start_ts + base::TimeDelta::FromDays(2);
+  visit_info1.push_back(VisitInfo(start_ts, content::PAGE_TRANSITION_LINK));
+
+  GURL url2("http://www.example.com");
+  visit_info2.push_back(VisitInfo(Time::Now() - base::TimeDelta::FromDays(10),
+                                  content::PAGE_TRANSITION_LINK));
+
+  // Clear all history.
+  backend_->DeleteAllHistory();
+
+  // Add the visits.
+  backend_->AddVisits(url1, visit_info1, history::SOURCE_BROWSED);
+  backend_->AddVisits(url2, visit_info2, history::SOURCE_BROWSED);
+
+  // Verify the entries for both visits were added in visit_details.
+  VisitVector visits1, visits2;
+  URLRow row;
+  URLID url_id1 = backend_->db()->GetRowForURL(url1, &row);
+  ASSERT_TRUE(backend_->db()->GetVisitsForURL(url_id1, &visits1));
+  ASSERT_EQ(1U, visits1.size());
+  EXPECT_EQ(0, visits1[0].visit_duration.ToInternalValue());
+
+  URLID url_id2 = backend_->db()->GetRowForURL(url2, &row);
+  ASSERT_TRUE(backend_->db()->GetVisitsForURL(url_id2, &visits2));
+  ASSERT_EQ(1U, visits2.size());
+  EXPECT_EQ(0, visits2[0].visit_duration.ToInternalValue());
+
+  // Update the visit to cnn.com.
+  backend_->UpdateVisitDuration(visits1[0].visit_id, end_ts);
+
+  // Check the duration for visiting cnn.com was correctly updated.
+  ASSERT_TRUE(backend_->db()->GetVisitsForURL(url_id1, &visits1));
+  ASSERT_EQ(1U, visits1.size());
+  base::TimeDelta expected_duration = end_ts - start_ts;
+  EXPECT_EQ(expected_duration.ToInternalValue(),
+            visits1[0].visit_duration.ToInternalValue());
+
+  // Remove the visit to cnn.com.
+  ASSERT_TRUE(backend_->RemoveVisits(visits1));
+}
+
 }  // namespace history