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diff --git a/src/ceph/src/test/test_mutate.cc b/src/ceph/src/test/test_mutate.cc
new file mode 100644
index 0000000..023b4f2
--- /dev/null
+++ b/src/ceph/src/test/test_mutate.cc
@@ -0,0 +1,113 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2011 New Dream Network
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+/*
+ * Test Ioctx::operate
+ */
+
+#include "common/ceph_argparse.h"
+#include "common/debug.h"
+#include "common/config.h"
+#include "global/global_init.h"
+#include "include/rados/librados.hpp"
+#include "include/types.h"
+
+#include <errno.h>
+#include <iostream>
+#include <string>
+
+using std::cerr;
+using std::string;
+
+using namespace librados;
+
+static void usage(void)
+{
+  cerr << "--oid           set object id to 'operate' on" << std::endl;
+  cerr << "--pool          set pool to 'operate' on" << std::endl;
+}
+
+int main(int argc, const char **argv)
+{
+  int ret = 0;
+  vector<const char*> args;
+  argv_to_vec(argc, argv, args);
+  env_to_vec(args);
+  auto cct = global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT,
+			 CODE_ENVIRONMENT_UTILITY, 0);
+  common_init_finish(g_ceph_context);
+
+  string val;
+  string oid("ceph_test_object");
+  string pool_name("test_pool");
+  for (std::vector<const char*>::iterator i = args.begin(); i != args.end(); ) {
+    if (ceph_argparse_double_dash(args, i)) {
+      break;
+    }
+    else if (ceph_argparse_witharg(args, i, &val, "--oid", "-o", (char*)NULL)) {
+      oid = val;
+    }
+    else if (ceph_argparse_witharg(args, i, &val, "--pool", "-p", (char*)NULL)) {
+      pool_name = val;
+    }
+    else {
+      cerr << "unknown command line option: " << *i << std::endl;
+      cerr << std::endl;
+      usage();
+      return 2;
+    }
+  }
+
+  Rados rados;
+  if (rados.init_with_context(g_ceph_context) < 0) {
+     cerr << "couldn't initialize rados!" << std::endl;
+     return 1;
+  }
+  if (rados.conf_read_file(NULL) < 0) {
+     cerr << "failed to read rados configuration file!" << std::endl;
+     return 1;
+  }
+  if (rados.connect() < 0) {
+     cerr << "couldn't connect to cluster!" << std::endl;
+     return 1;
+  }
+
+  librados::ObjectWriteOperation o;
+  IoCtx ioctx;
+  if (rados.pool_lookup(pool_name.c_str()) <= 0) {
+    ret = rados.pool_create(pool_name.c_str());
+    if (ret) {
+       cerr << "failed to create pool named '" << pool_name
+	    << "': error " << ret << std::endl;
+       return 1;
+    }
+  }
+  ret = rados.ioctx_create(pool_name.c_str(), ioctx);
+  if (ret) {
+     cerr << "failed to create ioctx for pool '" << pool_name
+	  << "': error " << ret << std::endl;
+     return 1;
+  }
+  ioctx.application_enable("rados", true);
+
+  librados::ObjectWriteOperation op;
+  op.create(true);
+  ret = ioctx.operate(oid, &op);
+  if (ret) {
+     cerr << "ioctx.operate failed: ret = " << ret << std::endl;
+     return 1;
+  }
+
+  return 0;
+}