1 files changed, 54 insertions, 0 deletions
diff --git a/storage/rocksdb/unittest/test_properties_collector.cc b/storage/rocksdb/unittest/test_properties_collector.cc
new file mode 100644
index 00000000..6870cd20
--- /dev/null
+++ b/storage/rocksdb/unittest/test_properties_collector.cc
@@ -0,0 +1,54 @@
+/*
+   Copyright (c) 2015, Facebook, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA */
+
+/* MyRocks header files */
+#include "../ha_rocksdb.h"
+#include "../rdb_datadic.h"
+
+void putKeys(myrocks::Rdb_tbl_prop_coll *coll, int num, bool is_delete,
+             uint64_t expected_deleted) {
+  std::string str("aaaaaaaaaaaaaa");
+  rocksdb::Slice sl(str.data(), str.size());
+
+  for (int i = 0; i < num; i++) {
+    coll->AddUserKey(
+        sl, sl, is_delete ? rocksdb::kEntryDelete : rocksdb::kEntryPut, 0, 100);
+  }
+  DBUG_ASSERT(coll->GetMaxDeletedRows() == expected_deleted);
+}
+
+int main(int argc, char **argv) {
+  // test the circular buffer for delete flags
+  myrocks::Rdb_compact_params params;
+  params.m_file_size = 333;
+  params.m_deletes = 333; // irrelevant
+  params.m_window = 10;
+
+  myrocks::Rdb_tbl_prop_coll coll(nullptr, params, 0,
+                                  RDB_DEFAULT_TBL_STATS_SAMPLE_PCT);
+
+  putKeys(&coll, 2, true, 2);    // [xx]
+  putKeys(&coll, 3, false, 2);   // [xxo]
+  putKeys(&coll, 1, true, 3);    // [xxox]
+  putKeys(&coll, 6, false, 3);   // [xxoxoooooo]
+  putKeys(&coll, 3, true, 4);    // xxo[xooooooxxx]
+  putKeys(&coll, 1, false, 4);   // xxox[ooooooxxxo]
+  putKeys(&coll, 100, false, 4); // ....[oooooooooo]
+  putKeys(&coll, 100, true, 10); // ....[xxxxxxxxxx]
+  putKeys(&coll, 100, true, 10); // ....[oooooooooo]
+
+  return 0;
+}