Add more options to backupable DB

java/org/rocksdb/test/BackupableDBTest.java

@@ -18,15 +18,35 @@ public class BackupableDBTest {
     Options opt = new Options();
     opt.setCreateIfMissing(true);
 
-    BackupableDBOptions bopt = new BackupableDBOptions(backup_path);
+    BackupableDBOptions bopt = new BackupableDBOptions(backup_path, false,
+        true, false, true, 0, 0);
     BackupableDB bdb = null;
 
     try {
       bdb = BackupableDB.open(opt, bopt, db_path);
-      bdb.put("hello".getBytes(), "BackupableDB".getBytes());
+
+      bdb.put("abc".getBytes(), "def".getBytes());
+      bdb.put("ghi".getBytes(), "jkl".getBytes());
       bdb.createNewBackup(true);
-      byte[] value = bdb.get("hello".getBytes());
-      assert(new String(value).equals("BackupableDB"));
+
+      // delete record after backup
+      bdb.remove("abc".getBytes());
+      byte[] value = bdb.get("abc".getBytes());
+      assert(value == null);
+      bdb.close();
+
+      // restore from backup
+      RestoreBackupableDB rdb = new RestoreBackupableDB(bopt);
+      rdb.restoreDBFromLatestBackup(db_path, db_path,
+          new RestoreOptions(false));
+      rdb.dispose();
+
+      // verify that backed up data contains deleted record
+      bdb = BackupableDB.open(opt, bopt, db_path);
+      value = bdb.get("abc".getBytes());
+      assert(new String(value).equals("def"));
+
+      System.out.println("Backup and restore test passed");
     } catch (RocksDBException e) {
       System.err.format("[ERROR]: %s%n", e);
       e.printStackTrace();