Cull autofill entries older than 60 days.

chrome/browser/webdata/autofill_entry_unittest.cc

Index: chrome/browser/webdata/autofill_entry_unittest.cc
diff --git a/chrome/browser/webdata/autofill_entry_unittest.cc b/chrome/browser/webdata/autofill_entry_unittest.cc
index 36c158a1946b48a393f928d3bd7051a8cf60f311..c6986967e75410fc614fd15b6c8240df27ea60ef 100644
--- a/chrome/browser/webdata/autofill_entry_unittest.cc
+++ b/chrome/browser/webdata/autofill_entry_unittest.cc
@@ -5,6 +5,7 @@
 #include <algorithm>
 
 #include "base/time.h"
+#include "base/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "chrome/browser/webdata/autofill_entry.h"
 
@@ -46,3 +47,55 @@ TEST(AutofillEntryTest, Culling) {
     --count;
   }
 }
+
+TEST(AutofillEntryTest, CullByTime) {
+  base::Time current = base::Time::Now();
+  base::TimeDelta one_day = base::TimeDelta::FromDays(1);
+  base::TimeDelta one_hour = base::TimeDelta::FromHours(1);
+
+  std::vector<base::Time> timestamps;
+  base::Time cutoff_time = current - one_day;
+
+  // Within the time limit.
+  timestamps.push_back(cutoff_time + one_hour);
+
+  AutofillKey key(UTF8ToUTF16("test_key"), UTF8ToUTF16("test_value"));
+
+  AutofillEntry entry_within_the_limits(key, timestamps);
+  EXPECT_FALSE(entry_within_the_limits.HasTimestampsOlder(cutoff_time));
+  EXPECT_FALSE(entry_within_the_limits.CullExpiredTimeStamps(cutoff_time));
+  EXPECT_FALSE(entry_within_the_limits.timestamps_culled());
+  EXPECT_EQ(1U, entry_within_the_limits.timestamps().size());
+
+  // One within the time limit, one outside.
+  timestamps.push_back(cutoff_time - one_hour);
+
+  AutofillEntry entry_partially_within_the_limits(key, timestamps);
+  EXPECT_TRUE(
+      entry_partially_within_the_limits.HasTimestampsOlder(cutoff_time));
+  EXPECT_TRUE(
+      entry_partially_within_the_limits.CullExpiredTimeStamps(cutoff_time));
+  EXPECT_TRUE(entry_partially_within_the_limits.timestamps_culled());
+  EXPECT_EQ(1U, entry_partially_within_the_limits.timestamps().size());
+
+  // All outside the time limit.
+  timestamps.clear();
+  timestamps.push_back(cutoff_time - one_hour);
+  timestamps.push_back(cutoff_time - one_hour * 2);
+  timestamps.push_back(cutoff_time - one_hour * 3);
+
+  AutofillEntry entry_outside_the_limits(key, timestamps);
+  EXPECT_TRUE(entry_outside_the_limits.HasTimestampsOlder(cutoff_time));
+  EXPECT_TRUE(entry_outside_the_limits.CullExpiredTimeStamps(cutoff_time));
+  EXPECT_TRUE(entry_outside_the_limits.timestamps_culled());
+  EXPECT_TRUE(entry_outside_the_limits.timestamps().empty());
+
+  // Timestamp is on the edge.
+  timestamps.clear();
+  timestamps.push_back(cutoff_time);
+  AutofillEntry entry_on_the_edge(key, timestamps);
+  EXPECT_FALSE(entry_on_the_edge.HasTimestampsOlder(cutoff_time));
+  EXPECT_FALSE(entry_on_the_edge.CullExpiredTimeStamps(cutoff_time));
+  EXPECT_FALSE(entry_on_the_edge.timestamps_culled());
+  EXPECT_EQ(1U, entry_on_the_edge.timestamps().size());
+}