X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Ftest%2Flibrados%2Fio.cc;fp=src%2Fceph%2Fsrc%2Ftest%2Flibrados%2Fio.cc;h=5094f756987af0c29a89650802b14e3881eb57a8;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/test/librados/io.cc b/src/ceph/src/test/librados/io.cc
new file mode 100644
index 0000000..5094f75
--- /dev/null
+++ b/src/ceph/src/test/librados/io.cc
@@ -0,0 +1,1325 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*
+// vim: ts=8 sw=2 smarttab
+
+#include <climits>
+
+#include "include/rados/librados.h"
+#include "include/rados/librados.hpp"
+#include "include/encoding.h"
+#include "include/err.h"
+#include "include/scope_guard.h"
+#include "test/librados/test.h"
+#include "test/librados/TestCase.h"
+
+#include <errno.h>
+#include "gtest/gtest.h"
+
+using namespace librados;
+using std::string;
+
+typedef RadosTest LibRadosIo;
+typedef RadosTestEC LibRadosIoEC;
+typedef RadosTestPP LibRadosIoPP;
+typedef RadosTestECPP LibRadosIoECPP;
+
+TEST_F(LibRadosIo, SimpleWrite) {
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  rados_ioctx_set_namespace(ioctx, "nspace");
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+}
+
+TEST_F(LibRadosIo, TooBig) {
+  char buf[1];
+  ASSERT_EQ(-E2BIG, rados_write(ioctx, "A", buf, UINT_MAX, 0));
+  ASSERT_EQ(-E2BIG, rados_append(ioctx, "A", buf, UINT_MAX));
+  ASSERT_EQ(-E2BIG, rados_write_full(ioctx, "A", buf, UINT_MAX));
+  ASSERT_EQ(-E2BIG, rados_writesame(ioctx, "A", buf, sizeof(buf), UINT_MAX, 0));
+  IoCtx ioctx;
+  bufferlist bl;
+  ASSERT_EQ(-E2BIG, ioctx.write("foo", bl, UINT_MAX, 0));
+  ASSERT_EQ(-E2BIG, ioctx.append("foo", bl, UINT_MAX));
+  // ioctx.write_full no way to overflow bl.length()
+  ASSERT_EQ(-E2BIG, ioctx.writesame("foo", bl, UINT_MAX, 0));
+}
+
+TEST_F(LibRadosIo, ReadTimeout) {
+  char buf[128];
+  memset(buf, 'a', sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+
+  {
+    // set up a second client
+    rados_t cluster;
+    rados_ioctx_t ioctx;
+    ASSERT_EQ(0, rados_create(&cluster, "admin"));
+    ASSERT_EQ(0, rados_conf_read_file(cluster, NULL));
+    ASSERT_EQ(0, rados_conf_parse_env(cluster, NULL));
+    ASSERT_EQ(0, rados_conf_set(cluster, "rados_osd_op_timeout", "0.00001")); // use any small value that will result in a timeout
+    ASSERT_EQ(0, rados_connect(cluster));
+    ASSERT_EQ(0, rados_ioctx_create(cluster, pool_name.c_str(), &ioctx));
+    rados_ioctx_set_namespace(ioctx, nspace.c_str());
+
+    // then we show that the buffer is changed after rados_read returned
+    // with a timeout
+    for (int i=0; i<5; i++) {
+      char buf2[sizeof(buf)];
+      memset(buf2, 0, sizeof(buf2));
+      int err = rados_read(ioctx, "foo", buf2, sizeof(buf2), 0);
+      if (err == -110) {
+	int startIndex = 0;
+	// find the index until which librados already read the object before the timeout occurred
+	for (unsigned b=0; b<sizeof(buf); b++) {
+	  if (buf2[b] != buf[b]) {
+	    startIndex = b;
+	    break;
+	  }
+	}
+
+	// wait some time to give librados a change to do something
+	sleep(1);
+
+	// then check if the buffer was changed after the call
+	if (buf2[startIndex] == 'a') {
+	  printf("byte at index %d was changed after the timeout to %d\n",
+		 startIndex, (int)buf[startIndex]);
+	  ASSERT_TRUE(0);
+	  break;
+	}
+      } else {
+	printf("no timeout :/\n");
+      }
+    }
+    rados_ioctx_destroy(ioctx);
+    rados_shutdown(cluster);
+  }
+}
+
+TEST_F(LibRadosIoPP, SimpleWritePP) {
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+  ioctx.set_namespace("nspace");
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+}
+
+TEST_F(LibRadosIoPP, ReadOpPP) {
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+
+  {
+      bufferlist op_bl;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), NULL, NULL);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), op_bl.length());
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist op_bl;
+      ObjectReadOperation op;
+      op.read(0, 0, NULL, NULL); //len=0 mean read the whole object data.
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), op_bl.length());
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist read_bl, op_bl;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), &read_bl, NULL);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), read_bl.length());
+      ASSERT_EQ(sizeof(buf), op_bl.length());
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+      ASSERT_EQ(0, memcmp(read_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist op_bl;
+      int rval = 1000;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), NULL, &rval);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), op_bl.length());
+      ASSERT_EQ(0, rval);
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist read_bl, op_bl;
+      int rval = 1000;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), &read_bl, &rval);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), read_bl.length());
+      ASSERT_EQ(sizeof(buf), op_bl.length());
+      ASSERT_EQ(0, rval);
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+      ASSERT_EQ(0, memcmp(read_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist read_bl1, read_bl2, op_bl;
+      int rval1 = 1000, rval2 = 1002;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), &read_bl1, &rval1);
+      op.read(0, sizeof(buf), &read_bl2, &rval2);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), read_bl1.length());
+      ASSERT_EQ(sizeof(buf), read_bl2.length());
+      ASSERT_EQ(sizeof(buf) * 2, op_bl.length());
+      ASSERT_EQ(0, rval1);
+      ASSERT_EQ(0, rval2);
+      ASSERT_EQ(0, memcmp(read_bl1.c_str(), buf, sizeof(buf)));
+      ASSERT_EQ(0, memcmp(read_bl2.c_str(), buf, sizeof(buf)));
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+      ASSERT_EQ(0, memcmp(op_bl.c_str() + sizeof(buf), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist op_bl;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), NULL, NULL);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), op_bl.length());
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist read_bl;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), &read_bl, NULL);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, NULL));
+      ASSERT_EQ(sizeof(buf), read_bl.length());
+      ASSERT_EQ(0, memcmp(read_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      int rval = 1000;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), NULL, &rval);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, NULL));
+      ASSERT_EQ(0, rval);
+  }
+
+  {
+      bufferlist read_bl;
+      int rval = 1000;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), &read_bl, &rval);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, NULL));
+      ASSERT_EQ(sizeof(buf), read_bl.length());
+      ASSERT_EQ(0, rval);
+      ASSERT_EQ(0, memcmp(read_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist read_bl1, read_bl2;
+      int rval1 = 1000, rval2 = 1002;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), &read_bl1, &rval1);
+      op.read(0, sizeof(buf), &read_bl2, &rval2);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, NULL));
+      ASSERT_EQ(sizeof(buf), read_bl1.length());
+      ASSERT_EQ(sizeof(buf), read_bl2.length());
+      ASSERT_EQ(0, rval1);
+      ASSERT_EQ(0, rval2);
+      ASSERT_EQ(0, memcmp(read_bl1.c_str(), buf, sizeof(buf)));
+      ASSERT_EQ(0, memcmp(read_bl2.c_str(), buf, sizeof(buf)));
+  }
+}
+
+TEST_F(LibRadosIoPP, SparseReadOpPP) {
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+
+  {
+    std::map<uint64_t, uint64_t> extents;
+    bufferlist read_bl;
+    int rval = -1;
+    ObjectReadOperation op;
+    op.sparse_read(0, sizeof(buf), &extents, &read_bl, &rval);
+    ASSERT_EQ(0, ioctx.operate("foo", &op, nullptr));
+    ASSERT_EQ(0, rval);
+    assert_eq_sparse(bl, extents, read_bl);
+  }
+}
+
+TEST_F(LibRadosIo, RoundTrip) {
+  char buf[128];
+  char buf2[128];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  memset(buf2, 0, sizeof(buf2));
+  ASSERT_EQ((int)sizeof(buf2), rados_read(ioctx, "foo", buf2, sizeof(buf2), 0));
+  ASSERT_EQ(0, memcmp(buf, buf2, sizeof(buf)));
+
+  uint64_t off = 19;
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "bar", buf, sizeof(buf), off));
+  memset(buf2, 0, sizeof(buf2));
+  ASSERT_EQ((int)sizeof(buf2), rados_read(ioctx, "bar", buf2, sizeof(buf2), off));
+  ASSERT_EQ(0, memcmp(buf, buf2, sizeof(buf)));
+}
+
+TEST_F(LibRadosIoPP, RoundTripPP) {
+  char buf[128];
+  Rados cluster;
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+  bufferlist cl;
+  ASSERT_EQ((int)sizeof(buf), ioctx.read("foo", cl, sizeof(buf), 0));
+  ASSERT_EQ(0, memcmp(buf, cl.c_str(), sizeof(buf)));
+}
+
+TEST_F(LibRadosIoPP, RoundTripPP2)
+{
+  bufferlist bl;
+  bl.append("ceph");
+  ObjectWriteOperation write;
+  write.write(0, bl);
+  write.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ASSERT_EQ(0, ioctx.operate("foo", &write));
+
+  ObjectReadOperation read;
+  read.read(0, bl.length(), NULL, NULL);
+  read.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_NOCACHE|LIBRADOS_OP_FLAG_FADVISE_RANDOM);
+  ASSERT_EQ(0, ioctx.operate("foo", &read, &bl));
+  ASSERT_EQ(0, memcmp(bl.c_str(), "ceph", 4));
+}
+
+TEST_F(LibRadosIo, Checksum) {
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+
+  uint32_t expected_crc = ceph_crc32c(-1, reinterpret_cast<const uint8_t*>(buf),
+                                      sizeof(buf));
+  uint32_t init_value = -1;
+  uint32_t crc[2];
+  ASSERT_EQ(0, rados_checksum(ioctx, "foo", LIBRADOS_CHECKSUM_TYPE_CRC32C,
+			      reinterpret_cast<char*>(&init_value),
+			      sizeof(init_value), sizeof(buf), 0, 0,
+			      reinterpret_cast<char*>(&crc), sizeof(crc)));
+  ASSERT_EQ(1U, crc[0]);
+  ASSERT_EQ(expected_crc, crc[1]);
+}
+
+TEST_F(LibRadosIoPP, Checksum) {
+  char buf[128];
+  Rados cluster;
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+  bufferlist init_value_bl;
+  ::encode(static_cast<uint32_t>(-1), init_value_bl);
+  bufferlist csum_bl;
+  ASSERT_EQ(0, ioctx.checksum("foo", LIBRADOS_CHECKSUM_TYPE_CRC32C,
+			      init_value_bl, sizeof(buf), 0, 0, &csum_bl));
+  auto csum_bl_it = csum_bl.begin();
+  uint32_t csum_count;
+  ::decode(csum_count, csum_bl_it);
+  ASSERT_EQ(1U, csum_count);
+  uint32_t csum;
+  ::decode(csum, csum_bl_it);
+  ASSERT_EQ(bl.crc32c(-1), csum);
+}
+
+TEST_F(LibRadosIo, OverlappingWriteRoundTrip) {
+  char buf[128];
+  char buf2[64];
+  char buf3[128];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  memset(buf2, 0xdd, sizeof(buf2));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf2, sizeof(buf2), 0));
+  memset(buf3, 0xdd, sizeof(buf3));
+  ASSERT_EQ((int)sizeof(buf3), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+  ASSERT_EQ(0, memcmp(buf3, buf2, sizeof(buf2)));
+  ASSERT_EQ(0, memcmp(buf3 + sizeof(buf2), buf, sizeof(buf) - sizeof(buf2)));
+}
+
+TEST_F(LibRadosIoPP, OverlappingWriteRoundTripPP) {
+  char buf[128];
+  char buf2[64];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), 0));
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  ASSERT_EQ(0, ioctx.write("foo", bl2, sizeof(buf2), 0));
+  bufferlist bl3;
+  ASSERT_EQ((int)sizeof(buf), ioctx.read("foo", bl3, sizeof(buf), 0));
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf2, sizeof(buf2)));
+  ASSERT_EQ(0, memcmp(bl3.c_str() + sizeof(buf2), buf, sizeof(buf) - sizeof(buf2)));
+}
+
+TEST_F(LibRadosIo, WriteFullRoundTrip) {
+  char buf[128];
+  char buf2[64];
+  char buf3[128];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  memset(buf2, 0xdd, sizeof(buf2));
+  ASSERT_EQ(0, rados_write_full(ioctx, "foo", buf2, sizeof(buf2)));
+  memset(buf3, 0x00, sizeof(buf3));
+  ASSERT_EQ((int)sizeof(buf2), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+  ASSERT_EQ(0, memcmp(buf2, buf3, sizeof(buf2)));
+}
+
+TEST_F(LibRadosIoPP, WriteFullRoundTripPP) {
+  char buf[128];
+  char buf2[64];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), 0));
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  ASSERT_EQ(0, ioctx.write_full("foo", bl2));
+  bufferlist bl3;
+  ASSERT_EQ((int)sizeof(buf2), ioctx.read("foo", bl3, sizeof(buf), 0));
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf2, sizeof(buf2)));
+}
+
+TEST_F(LibRadosIoPP, WriteFullRoundTripPP2)
+{
+  bufferlist bl;
+  bl.append("ceph");
+  ObjectWriteOperation write;
+  write.write_full(bl);
+  write.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_NOCACHE);
+  ASSERT_EQ(0, ioctx.operate("foo", &write));
+
+  ObjectReadOperation read;
+  read.read(0, bl.length(), NULL, NULL);
+  read.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED|LIBRADOS_OP_FLAG_FADVISE_RANDOM);
+  ASSERT_EQ(0, ioctx.operate("foo", &read, &bl));
+  ASSERT_EQ(0, memcmp(bl.c_str(), "ceph", 4));
+}
+
+TEST_F(LibRadosIo, AppendRoundTrip) {
+  char buf[64];
+  char buf2[64];
+  char buf3[sizeof(buf) + sizeof(buf2)];
+  memset(buf, 0xde, sizeof(buf));
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf, sizeof(buf)));
+  memset(buf2, 0xad, sizeof(buf2));
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf2, sizeof(buf2)));
+  memset(buf3, 0, sizeof(buf3));
+  ASSERT_EQ((int)sizeof(buf3), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+  ASSERT_EQ(0, memcmp(buf3, buf, sizeof(buf)));
+  ASSERT_EQ(0, memcmp(buf3 + sizeof(buf), buf2, sizeof(buf2)));
+}
+
+TEST_F(LibRadosIoPP, AppendRoundTripPP) {
+  char buf[64];
+  char buf2[64];
+  memset(buf, 0xde, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.append("foo", bl1, sizeof(buf)));
+  memset(buf2, 0xad, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  ASSERT_EQ(0, ioctx.append("foo", bl2, sizeof(buf2)));
+  bufferlist bl3;
+  ASSERT_EQ((int)(sizeof(buf) + sizeof(buf2)),
+	    ioctx.read("foo", bl3, (sizeof(buf) + sizeof(buf2)), 0));
+  const char *bl3_str = bl3.c_str();
+  ASSERT_EQ(0, memcmp(bl3_str, buf, sizeof(buf)));
+  ASSERT_EQ(0, memcmp(bl3_str + sizeof(buf), buf2, sizeof(buf2)));
+}
+
+TEST_F(LibRadosIo, TruncTest) {
+  char buf[128];
+  char buf2[sizeof(buf)];
+  memset(buf, 0xaa, sizeof(buf));
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf, sizeof(buf)));
+  ASSERT_EQ(0, rados_trunc(ioctx, "foo", sizeof(buf) / 2));
+  memset(buf2, 0, sizeof(buf2));
+  ASSERT_EQ((int)(sizeof(buf)/2), rados_read(ioctx, "foo", buf2, sizeof(buf2), 0));
+  ASSERT_EQ(0, memcmp(buf, buf2, sizeof(buf)/2));
+}
+
+TEST_F(LibRadosIoPP, TruncTestPP) {
+  char buf[128];
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.append("foo", bl, sizeof(buf)));
+  ASSERT_EQ(0, ioctx.trunc("foo", sizeof(buf) / 2));
+  bufferlist bl2;
+  ASSERT_EQ((int)(sizeof(buf)/2), ioctx.read("foo", bl2, sizeof(buf), 0));
+  ASSERT_EQ(0, memcmp(bl2.c_str(), buf, sizeof(buf)/2));
+}
+
+TEST_F(LibRadosIo, RemoveTest) {
+  char buf[128];
+  char buf2[sizeof(buf)];
+  memset(buf, 0xaa, sizeof(buf));
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf, sizeof(buf)));
+  ASSERT_EQ(0, rados_remove(ioctx, "foo"));
+  memset(buf2, 0, sizeof(buf2));
+  ASSERT_EQ(-ENOENT, rados_read(ioctx, "foo", buf2, sizeof(buf2), 0));
+}
+
+TEST_F(LibRadosIoPP, RemoveTestPP) {
+  char buf[128];
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.append("foo", bl1, sizeof(buf)));
+  ASSERT_EQ(0, ioctx.remove("foo"));
+  bufferlist bl2;
+  ASSERT_EQ(-ENOENT, ioctx.read("foo", bl2, sizeof(buf), 0));
+}
+
+TEST_F(LibRadosIo, XattrsRoundTrip) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  memset(buf, 0xaa, sizeof(buf));
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf, sizeof(buf)));
+  ASSERT_EQ(-ENODATA, rados_getxattr(ioctx, "foo", attr1, buf, sizeof(buf)));
+  ASSERT_EQ(0, rados_setxattr(ioctx, "foo", attr1, attr1_buf, sizeof(attr1_buf)));
+  ASSERT_EQ((int)sizeof(attr1_buf),
+	    rados_getxattr(ioctx, "foo", attr1, buf, sizeof(buf)));
+  ASSERT_EQ(0, memcmp(attr1_buf, buf, sizeof(attr1_buf)));
+}
+
+TEST_F(LibRadosIoPP, XattrsRoundTripPP) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.append("foo", bl1, sizeof(buf)));
+  bufferlist bl2;
+  ASSERT_EQ(-ENODATA, ioctx.getxattr("foo", attr1, bl2));
+  bufferlist bl3;
+  bl3.append(attr1_buf, sizeof(attr1_buf));
+  ASSERT_EQ(0, ioctx.setxattr("foo", attr1, bl3));
+  bufferlist bl4;
+  ASSERT_EQ((int)sizeof(attr1_buf),
+      ioctx.getxattr("foo", attr1, bl4));
+  ASSERT_EQ(0, memcmp(bl4.c_str(), attr1_buf, sizeof(attr1_buf)));
+}
+
+TEST_F(LibRadosIo, RmXattr) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  memset(buf, 0xaa, sizeof(buf));
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf, sizeof(buf)));
+  ASSERT_EQ(0,
+      rados_setxattr(ioctx, "foo", attr1, attr1_buf, sizeof(attr1_buf)));
+  ASSERT_EQ(0, rados_rmxattr(ioctx, "foo", attr1));
+  ASSERT_EQ(-ENODATA, rados_getxattr(ioctx, "foo", attr1, buf, sizeof(buf)));
+
+  // Test rmxattr on a removed object
+  char buf2[128];
+  char attr2[] = "attr2";
+  char attr2_buf[] = "foo bar baz";
+  memset(buf2, 0xbb, sizeof(buf2));
+  ASSERT_EQ(0, rados_write(ioctx, "foo_rmxattr", buf2, sizeof(buf2), 0));
+  ASSERT_EQ(0,
+      rados_setxattr(ioctx, "foo_rmxattr", attr2, attr2_buf, sizeof(attr2_buf)));
+  ASSERT_EQ(0, rados_remove(ioctx, "foo_rmxattr"));
+  ASSERT_EQ(-ENOENT, rados_rmxattr(ioctx, "foo_rmxattr", attr2));
+}
+
+TEST_F(LibRadosIoPP, RmXattrPP) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.append("foo", bl1, sizeof(buf)));
+  bufferlist bl2;
+  bl2.append(attr1_buf, sizeof(attr1_buf));
+  ASSERT_EQ(0, ioctx.setxattr("foo", attr1, bl2));
+  ASSERT_EQ(0, ioctx.rmxattr("foo", attr1));
+  bufferlist bl3;
+  ASSERT_EQ(-ENODATA, ioctx.getxattr("foo", attr1, bl3));
+
+  // Test rmxattr on a removed object
+  char buf2[128];
+  char attr2[] = "attr2";
+  char attr2_buf[] = "foo bar baz";
+  memset(buf2, 0xbb, sizeof(buf2));
+  bufferlist bl21;
+  bl21.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo_rmxattr", bl21, sizeof(buf2), 0));
+  bufferlist bl22;
+  bl22.append(attr2_buf, sizeof(attr2_buf));
+  ASSERT_EQ(0, ioctx.setxattr("foo_rmxattr", attr2, bl22));
+  ASSERT_EQ(0, ioctx.remove("foo_rmxattr"));
+  ASSERT_EQ(-ENOENT, ioctx.rmxattr("foo_rmxattr", attr2));
+}
+
+TEST_F(LibRadosIo, XattrIter) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  char attr2[] = "attr2";
+  char attr2_buf[256];
+  for (size_t j = 0; j < sizeof(attr2_buf); ++j) {
+    attr2_buf[j] = j % 0xff;
+  }
+  memset(buf, 0xaa, sizeof(buf));
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf, sizeof(buf)));
+  ASSERT_EQ(0, rados_setxattr(ioctx, "foo", attr1, attr1_buf, sizeof(attr1_buf)));
+  ASSERT_EQ(0, rados_setxattr(ioctx, "foo", attr2, attr2_buf, sizeof(attr2_buf)));
+  rados_xattrs_iter_t iter;
+  ASSERT_EQ(0, rados_getxattrs(ioctx, "foo", &iter));
+  int num_seen = 0;
+  while (true) {
+    const char *name;
+    const char *val;
+    size_t len;
+    ASSERT_EQ(0, rados_getxattrs_next(iter, &name, &val, &len));
+    if (name == NULL) {
+      break;
+    }
+    ASSERT_LT(num_seen, 2);
+    if ((strcmp(name, attr1) == 0) && (val != NULL) && (memcmp(val, attr1_buf, len) == 0)) {
+      num_seen++;
+      continue;
+    }
+    else if ((strcmp(name, attr2) == 0) && (val != NULL) && (memcmp(val, attr2_buf, len) == 0)) {
+      num_seen++;
+      continue;
+    }
+    else {
+      ASSERT_EQ(0, 1);
+    }
+  }
+  rados_getxattrs_end(iter);
+}
+
+TEST_F(LibRadosIoPP, XattrListPP) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  char attr2[] = "attr2";
+  char attr2_buf[256];
+  for (size_t j = 0; j < sizeof(attr2_buf); ++j) {
+    attr2_buf[j] = j % 0xff;
+  }
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.append("foo", bl1, sizeof(buf)));
+  bufferlist bl2;
+  bl2.append(attr1_buf, sizeof(attr1_buf));
+  ASSERT_EQ(0, ioctx.setxattr("foo", attr1, bl2));
+  bufferlist bl3;
+  bl3.append(attr2_buf, sizeof(attr2_buf));
+  ASSERT_EQ(0, ioctx.setxattr("foo", attr2, bl3));
+  std::map<std::string, bufferlist> attrset;
+  ASSERT_EQ(0, ioctx.getxattrs("foo", attrset));
+  for (std::map<std::string, bufferlist>::iterator i = attrset.begin();
+       i != attrset.end(); ++i) {
+    if (i->first == string(attr1)) {
+      ASSERT_EQ(0, memcmp(i->second.c_str(), attr1_buf, sizeof(attr1_buf)));
+    }
+    else if (i->first == string(attr2)) {
+      ASSERT_EQ(0, memcmp(i->second.c_str(), attr2_buf, sizeof(attr2_buf)));
+    }
+    else {
+      ASSERT_EQ(0, 1);
+    }
+  }
+}
+
+TEST_F(LibRadosIoEC, SimpleWrite) {
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  rados_ioctx_set_namespace(ioctx, "nspace");
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+}
+
+TEST_F(LibRadosIoECPP, SimpleWritePP) {
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+  ioctx.set_namespace("nspace");
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+}
+
+TEST_F(LibRadosIoECPP, ReadOpPP) {
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+
+  {
+      bufferlist op_bl;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), NULL, NULL);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), op_bl.length());
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+    bufferlist op_bl;
+    ObjectReadOperation op;
+    op.read(0, 0, NULL, NULL); //len=0 mean read the whole object data
+    ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+    ASSERT_EQ(sizeof(buf), op_bl.length());
+    ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist read_bl, op_bl;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), &read_bl, NULL);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), read_bl.length());
+      ASSERT_EQ(sizeof(buf), op_bl.length());
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+      ASSERT_EQ(0, memcmp(read_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist op_bl;
+      int rval = 1000;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), NULL, &rval);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), op_bl.length());
+      ASSERT_EQ(0, rval);
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist read_bl, op_bl;
+      int rval = 1000;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), &read_bl, &rval);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), read_bl.length());
+      ASSERT_EQ(sizeof(buf), op_bl.length());
+      ASSERT_EQ(0, rval);
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+      ASSERT_EQ(0, memcmp(read_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist read_bl1, read_bl2, op_bl;
+      int rval1 = 1000, rval2 = 1002;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), &read_bl1, &rval1);
+      op.read(0, sizeof(buf), &read_bl2, &rval2);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), read_bl1.length());
+      ASSERT_EQ(sizeof(buf), read_bl2.length());
+      ASSERT_EQ(sizeof(buf) * 2, op_bl.length());
+      ASSERT_EQ(0, rval1);
+      ASSERT_EQ(0, rval2);
+      ASSERT_EQ(0, memcmp(read_bl1.c_str(), buf, sizeof(buf)));
+      ASSERT_EQ(0, memcmp(read_bl2.c_str(), buf, sizeof(buf)));
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+      ASSERT_EQ(0, memcmp(op_bl.c_str() + sizeof(buf), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist op_bl;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), NULL, NULL);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, &op_bl));
+      ASSERT_EQ(sizeof(buf), op_bl.length());
+      ASSERT_EQ(0, memcmp(op_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist read_bl;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), &read_bl, NULL);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, NULL));
+      ASSERT_EQ(sizeof(buf), read_bl.length());
+      ASSERT_EQ(0, memcmp(read_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      int rval = 1000;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), NULL, &rval);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, NULL));
+      ASSERT_EQ(0, rval);
+  }
+
+  {
+      bufferlist read_bl;
+      int rval = 1000;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), &read_bl, &rval);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, NULL));
+      ASSERT_EQ(sizeof(buf), read_bl.length());
+      ASSERT_EQ(0, rval);
+      ASSERT_EQ(0, memcmp(read_bl.c_str(), buf, sizeof(buf)));
+  }
+
+  {
+      bufferlist read_bl1, read_bl2;
+      int rval1 = 1000, rval2 = 1002;
+      ObjectReadOperation op;
+      op.read(0, sizeof(buf), &read_bl1, &rval1);
+      op.read(0, sizeof(buf), &read_bl2, &rval2);
+      ASSERT_EQ(0, ioctx.operate("foo", &op, NULL));
+      ASSERT_EQ(sizeof(buf), read_bl1.length());
+      ASSERT_EQ(sizeof(buf), read_bl2.length());
+      ASSERT_EQ(0, rval1);
+      ASSERT_EQ(0, rval2);
+      ASSERT_EQ(0, memcmp(read_bl1.c_str(), buf, sizeof(buf)));
+      ASSERT_EQ(0, memcmp(read_bl2.c_str(), buf, sizeof(buf)));
+  }
+}
+
+TEST_F(LibRadosIoECPP, SparseReadOpPP) {
+  char buf[128];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+
+  {
+    std::map<uint64_t, uint64_t> extents;
+    bufferlist read_bl;
+    int rval = -1;
+    ObjectReadOperation op;
+    op.sparse_read(0, sizeof(buf), &extents, &read_bl, &rval);
+    ASSERT_EQ(0, ioctx.operate("foo", &op, nullptr));
+    ASSERT_EQ(0, rval);
+    assert_eq_sparse(bl, extents, read_bl);
+  }
+}
+
+TEST_F(LibRadosIoEC, RoundTrip) {
+  char buf[128];
+  char buf2[128];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  memset(buf2, 0, sizeof(buf2));
+  ASSERT_EQ((int)sizeof(buf2), rados_read(ioctx, "foo", buf2, sizeof(buf2), 0));
+  ASSERT_EQ(0, memcmp(buf, buf2, sizeof(buf)));
+
+  uint64_t off = 19;
+  ASSERT_EQ(-EOPNOTSUPP, rados_write(ioctx, "bar", buf, sizeof(buf), off));
+}
+
+TEST_F(LibRadosIoECPP, RoundTripPP) {
+  char buf[128];
+  Rados cluster;
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl, sizeof(buf), 0));
+  bufferlist cl;
+  ASSERT_EQ((int)sizeof(buf), ioctx.read("foo", cl, sizeof(buf) * 3, 0));
+  ASSERT_EQ(0, memcmp(buf, cl.c_str(), sizeof(buf)));
+}
+
+TEST_F(LibRadosIoECPP, RoundTripPP2)
+{
+  bufferlist bl;
+  bl.append("ceph");
+  ObjectWriteOperation write;
+  write.write(0, bl);
+  write.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ASSERT_EQ(0, ioctx.operate("foo", &write));
+
+  ObjectReadOperation read;
+  read.read(0, bl.length(), NULL, NULL);
+  read.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED|LIBRADOS_OP_FLAG_FADVISE_RANDOM);
+  ASSERT_EQ(0, ioctx.operate("foo", &read, &bl));
+  ASSERT_EQ(0, memcmp(bl.c_str(), "ceph", 4));
+}
+
+TEST_F(LibRadosIoEC, OverlappingWriteRoundTrip) {
+  int bsize = alignment;
+  int dbsize = bsize * 2;
+  char *buf = (char *)new char[dbsize];
+  char *buf2 = (char *)new char[bsize];
+  char *buf3 = (char *)new char[dbsize];
+  auto cleanup = [&] {
+    delete[] buf;
+    delete[] buf2;
+    delete[] buf3;
+  };
+  scope_guard<decltype(cleanup)> sg(std::move(cleanup));
+  memset(buf, 0xcc, dbsize);
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, dbsize, 0));
+  memset(buf2, 0xdd, bsize);
+  ASSERT_EQ(-EOPNOTSUPP, rados_write(ioctx, "foo", buf2, bsize, 0));
+  memset(buf3, 0xdd, dbsize);
+  ASSERT_EQ(dbsize, rados_read(ioctx, "foo", buf3, dbsize, 0));
+  // Read the same as first write
+  ASSERT_EQ(0, memcmp(buf3, buf, dbsize));
+}
+
+TEST_F(LibRadosIoECPP, OverlappingWriteRoundTripPP) {
+  int bsize = alignment;
+  int dbsize = bsize * 2;
+  char *buf = (char *)new char[dbsize];
+  char *buf2 = (char *)new char[bsize];
+  auto cleanup = [&] {
+    delete[] buf;
+    delete[] buf2;
+  };
+  scope_guard<decltype(cleanup)> sg(std::move(cleanup));
+  memset(buf, 0xcc, dbsize);
+  bufferlist bl1;
+  bl1.append(buf, dbsize);
+  ASSERT_EQ(0, ioctx.write("foo", bl1, dbsize, 0));
+  memset(buf2, 0xdd, bsize);
+  bufferlist bl2;
+  bl2.append(buf2, bsize);
+  ASSERT_EQ(-EOPNOTSUPP, ioctx.write("foo", bl2, bsize, 0));
+  bufferlist bl3;
+  ASSERT_EQ(dbsize, ioctx.read("foo", bl3, dbsize, 0));
+  // Read the same as first write
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf, dbsize));
+}
+
+TEST_F(LibRadosIoEC, WriteFullRoundTrip) {
+  char buf[128];
+  char buf2[64];
+  char buf3[128];
+  memset(buf, 0xcc, sizeof(buf));
+  ASSERT_EQ(0, rados_write(ioctx, "foo", buf, sizeof(buf), 0));
+  memset(buf2, 0xdd, sizeof(buf2));
+  ASSERT_EQ(0, rados_write_full(ioctx, "foo", buf2, sizeof(buf2)));
+  memset(buf3, 0xee, sizeof(buf3));
+  ASSERT_EQ((int)sizeof(buf2), rados_read(ioctx, "foo", buf3, sizeof(buf3), 0));
+  ASSERT_EQ(0, memcmp(buf3, buf2, sizeof(buf2)));
+}
+
+TEST_F(LibRadosIoECPP, WriteFullRoundTripPP) {
+  char buf[128];
+  char buf2[64];
+  memset(buf, 0xcc, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo", bl1, sizeof(buf), 0));
+  memset(buf2, 0xdd, sizeof(buf2));
+  bufferlist bl2;
+  bl2.append(buf2, sizeof(buf2));
+  ASSERT_EQ(0, ioctx.write_full("foo", bl2));
+  bufferlist bl3;
+  ASSERT_EQ((int)sizeof(buf2), ioctx.read("foo", bl3, sizeof(buf), 0));
+  ASSERT_EQ(0, memcmp(bl3.c_str(), buf2, sizeof(buf2)));
+}
+
+TEST_F(LibRadosIoECPP, WriteFullRoundTripPP2)
+{
+  bufferlist bl;
+  bl.append("ceph");
+  ObjectWriteOperation write;
+  write.write_full(bl);
+  write.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED);
+  ASSERT_EQ(0, ioctx.operate("foo", &write));
+
+  ObjectReadOperation read;
+  read.read(0, bl.length(), NULL, NULL);
+  read.set_op_flags2(LIBRADOS_OP_FLAG_FADVISE_DONTNEED|LIBRADOS_OP_FLAG_FADVISE_RANDOM);
+  ASSERT_EQ(0, ioctx.operate("foo", &read, &bl));
+  ASSERT_EQ(0, memcmp(bl.c_str(), "ceph", 4));
+}
+
+TEST_F(LibRadosIoEC, AppendRoundTrip) {
+  char *buf = (char *)new char[alignment];
+  char *buf2 = (char *)new char[alignment];
+  char *buf3 = (char *)new char[alignment *2];
+  int uasize = alignment/2;
+  char *unalignedbuf = (char *)new char[uasize];
+  auto cleanup = [&] {
+    delete[] buf;
+    delete[] buf2;
+    delete[] buf3;
+    delete[] unalignedbuf;
+  };
+  scope_guard<decltype(cleanup)> sg(std::move(cleanup));
+  memset(buf, 0xde, alignment);
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf, alignment));
+  memset(buf2, 0xad, alignment);
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf2, alignment));
+  memset(buf3, 0, alignment*2);
+  ASSERT_EQ((int)alignment*2, rados_read(ioctx, "foo", buf3, alignment*2, 0));
+  ASSERT_EQ(0, memcmp(buf3, buf, alignment));
+  ASSERT_EQ(0, memcmp(buf3 + alignment, buf2, alignment));
+  memset(unalignedbuf, 0, uasize);
+  ASSERT_EQ(0, rados_append(ioctx, "foo", unalignedbuf, uasize));
+  ASSERT_EQ(-EOPNOTSUPP, rados_append(ioctx, "foo", unalignedbuf, uasize));
+}
+
+TEST_F(LibRadosIoECPP, AppendRoundTripPP) {
+  char *buf = (char *)new char[alignment];
+  char *buf2 = (char *)new char[alignment];
+  auto cleanup = [&] {
+    delete[] buf;
+    delete[] buf2;
+  };
+  scope_guard<decltype(cleanup)> sg(std::move(cleanup));
+  memset(buf, 0xde, alignment);
+  bufferlist bl1;
+  bl1.append(buf, alignment);
+  ASSERT_EQ(0, ioctx.append("foo", bl1, alignment));
+  memset(buf2, 0xad, alignment);
+  bufferlist bl2;
+  bl2.append(buf2, alignment);
+  ASSERT_EQ(0, ioctx.append("foo", bl2, alignment));
+  bufferlist bl3;
+  ASSERT_EQ((int)(alignment * 2),
+	    ioctx.read("foo", bl3, (alignment * 4), 0));
+  const char *bl3_str = bl3.c_str();
+  ASSERT_EQ(0, memcmp(bl3_str, buf, alignment));
+  ASSERT_EQ(0, memcmp(bl3_str + alignment, buf2, alignment));
+}
+
+TEST_F(LibRadosIoEC, TruncTest) {
+  char buf[128];
+  char buf2[sizeof(buf)];
+  memset(buf, 0xaa, sizeof(buf));
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf, sizeof(buf)));
+  ASSERT_EQ(-EOPNOTSUPP, rados_trunc(ioctx, "foo", sizeof(buf) / 2));
+  memset(buf2, 0, sizeof(buf2));
+  // Same size
+  ASSERT_EQ((int)sizeof(buf), rados_read(ioctx, "foo", buf2, sizeof(buf2), 0));
+  // No change
+  ASSERT_EQ(0, memcmp(buf, buf2, sizeof(buf)));
+}
+
+TEST_F(LibRadosIoECPP, TruncTestPP) {
+  char buf[128];
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl;
+  bl.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.append("foo", bl, sizeof(buf)));
+  ASSERT_EQ(-EOPNOTSUPP, ioctx.trunc("foo", sizeof(buf) / 2));
+  bufferlist bl2;
+  // Same size
+  ASSERT_EQ((int)sizeof(buf), ioctx.read("foo", bl2, sizeof(buf), 0));
+  // No change
+  ASSERT_EQ(0, memcmp(bl2.c_str(), buf, sizeof(buf)));
+}
+
+TEST_F(LibRadosIoEC, RemoveTest) {
+  char buf[128];
+  char buf2[sizeof(buf)];
+  memset(buf, 0xaa, sizeof(buf));
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf, sizeof(buf)));
+  ASSERT_EQ(0, rados_remove(ioctx, "foo"));
+  memset(buf2, 0, sizeof(buf2));
+  ASSERT_EQ(-ENOENT, rados_read(ioctx, "foo", buf2, sizeof(buf2), 0));
+}
+
+TEST_F(LibRadosIoECPP, RemoveTestPP) {
+  char buf[128];
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.append("foo", bl1, sizeof(buf)));
+  ASSERT_EQ(0, ioctx.remove("foo"));
+  bufferlist bl2;
+  ASSERT_EQ(-ENOENT, ioctx.read("foo", bl2, sizeof(buf), 0));
+}
+
+TEST_F(LibRadosIoEC, XattrsRoundTrip) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  memset(buf, 0xaa, sizeof(buf));
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf, sizeof(buf)));
+  ASSERT_EQ(-ENODATA, rados_getxattr(ioctx, "foo", attr1, buf, sizeof(buf)));
+  ASSERT_EQ(0, rados_setxattr(ioctx, "foo", attr1, attr1_buf, sizeof(attr1_buf)));
+  ASSERT_EQ((int)sizeof(attr1_buf),
+	    rados_getxattr(ioctx, "foo", attr1, buf, sizeof(buf)));
+  ASSERT_EQ(0, memcmp(attr1_buf, buf, sizeof(attr1_buf)));
+}
+
+TEST_F(LibRadosIoECPP, XattrsRoundTripPP) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.append("foo", bl1, sizeof(buf)));
+  bufferlist bl2;
+  ASSERT_EQ(-ENODATA, ioctx.getxattr("foo", attr1, bl2));
+  bufferlist bl3;
+  bl3.append(attr1_buf, sizeof(attr1_buf));
+  ASSERT_EQ(0, ioctx.setxattr("foo", attr1, bl3));
+  bufferlist bl4;
+  ASSERT_EQ((int)sizeof(attr1_buf),
+      ioctx.getxattr("foo", attr1, bl4));
+  ASSERT_EQ(0, memcmp(bl4.c_str(), attr1_buf, sizeof(attr1_buf)));
+}
+
+TEST_F(LibRadosIoEC, RmXattr) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  memset(buf, 0xaa, sizeof(buf));
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf, sizeof(buf)));
+  ASSERT_EQ(0,
+      rados_setxattr(ioctx, "foo", attr1, attr1_buf, sizeof(attr1_buf)));
+  ASSERT_EQ(0, rados_rmxattr(ioctx, "foo", attr1));
+  ASSERT_EQ(-ENODATA, rados_getxattr(ioctx, "foo", attr1, buf, sizeof(buf)));
+
+  // Test rmxattr on a removed object
+  char buf2[128];
+  char attr2[] = "attr2";
+  char attr2_buf[] = "foo bar baz";
+  memset(buf2, 0xbb, sizeof(buf2));
+  ASSERT_EQ(0, rados_write(ioctx, "foo_rmxattr", buf2, sizeof(buf2), 0));
+  ASSERT_EQ(0,
+      rados_setxattr(ioctx, "foo_rmxattr", attr2, attr2_buf, sizeof(attr2_buf)));
+  ASSERT_EQ(0, rados_remove(ioctx, "foo_rmxattr"));
+  ASSERT_EQ(-ENOENT, rados_rmxattr(ioctx, "foo_rmxattr", attr2));
+}
+
+TEST_F(LibRadosIoECPP, RmXattrPP) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.append("foo", bl1, sizeof(buf)));
+  bufferlist bl2;
+  bl2.append(attr1_buf, sizeof(attr1_buf));
+  ASSERT_EQ(0, ioctx.setxattr("foo", attr1, bl2));
+  ASSERT_EQ(0, ioctx.rmxattr("foo", attr1));
+  bufferlist bl3;
+  ASSERT_EQ(-ENODATA, ioctx.getxattr("foo", attr1, bl3));
+
+  // Test rmxattr on a removed object
+  char buf2[128];
+  char attr2[] = "attr2";
+  char attr2_buf[] = "foo bar baz";
+  memset(buf2, 0xbb, sizeof(buf2));
+  bufferlist bl21;
+  bl21.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.write("foo_rmxattr", bl21, sizeof(buf2), 0));
+  bufferlist bl22;
+  bl22.append(attr2_buf, sizeof(attr2_buf));
+  ASSERT_EQ(0, ioctx.setxattr("foo_rmxattr", attr2, bl22));
+  ASSERT_EQ(0, ioctx.remove("foo_rmxattr"));
+  ASSERT_EQ(-ENOENT, ioctx.rmxattr("foo_rmxattr", attr2));
+}
+
+TEST_F(LibRadosIoEC, XattrIter) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  char attr2[] = "attr2";
+  char attr2_buf[256];
+  for (size_t j = 0; j < sizeof(attr2_buf); ++j) {
+    attr2_buf[j] = j % 0xff;
+  }
+  memset(buf, 0xaa, sizeof(buf));
+  ASSERT_EQ(0, rados_append(ioctx, "foo", buf, sizeof(buf)));
+  ASSERT_EQ(0, rados_setxattr(ioctx, "foo", attr1, attr1_buf, sizeof(attr1_buf)));
+  ASSERT_EQ(0, rados_setxattr(ioctx, "foo", attr2, attr2_buf, sizeof(attr2_buf)));
+  rados_xattrs_iter_t iter;
+  ASSERT_EQ(0, rados_getxattrs(ioctx, "foo", &iter));
+  int num_seen = 0;
+  while (true) {
+    const char *name;
+    const char *val;
+    size_t len;
+    ASSERT_EQ(0, rados_getxattrs_next(iter, &name, &val, &len));
+    if (name == NULL) {
+      break;
+    }
+    ASSERT_LT(num_seen, 2);
+    if ((strcmp(name, attr1) == 0) && (val != NULL) && (memcmp(val, attr1_buf, len) == 0)) {
+      num_seen++;
+      continue;
+    }
+    else if ((strcmp(name, attr2) == 0) && (val != NULL) && (memcmp(val, attr2_buf, len) == 0)) {
+      num_seen++;
+      continue;
+    }
+    else {
+      ASSERT_EQ(0, 1);
+    }
+  }
+  rados_getxattrs_end(iter);
+}
+
+TEST_F(LibRadosIoECPP, XattrListPP) {
+  char buf[128];
+  char attr1[] = "attr1";
+  char attr1_buf[] = "foo bar baz";
+  char attr2[] = "attr2";
+  char attr2_buf[256];
+  for (size_t j = 0; j < sizeof(attr2_buf); ++j) {
+    attr2_buf[j] = j % 0xff;
+  }
+  memset(buf, 0xaa, sizeof(buf));
+  bufferlist bl1;
+  bl1.append(buf, sizeof(buf));
+  ASSERT_EQ(0, ioctx.append("foo", bl1, sizeof(buf)));
+  bufferlist bl2;
+  bl2.append(attr1_buf, sizeof(attr1_buf));
+  ASSERT_EQ(0, ioctx.setxattr("foo", attr1, bl2));
+  bufferlist bl3;
+  bl3.append(attr2_buf, sizeof(attr2_buf));
+  ASSERT_EQ(0, ioctx.setxattr("foo", attr2, bl3));
+  std::map<std::string, bufferlist> attrset;
+  ASSERT_EQ(0, ioctx.getxattrs("foo", attrset));
+  for (std::map<std::string, bufferlist>::iterator i = attrset.begin();
+       i != attrset.end(); ++i) {
+    if (i->first == string(attr1)) {
+      ASSERT_EQ(0, memcmp(i->second.c_str(), attr1_buf, sizeof(attr1_buf)));
+    }
+    else if (i->first == string(attr2)) {
+      ASSERT_EQ(0, memcmp(i->second.c_str(), attr2_buf, sizeof(attr2_buf)));
+    }
+    else {
+      ASSERT_EQ(0, 1);
+    }
+  }
+}
+
+TEST_F(LibRadosIoPP, CmpExtPP) {
+  bufferlist bl;
+  bl.append("ceph");
+  ObjectWriteOperation write1;
+  write1.write(0, bl);
+  ASSERT_EQ(0, ioctx.operate("foo", &write1));
+
+  bufferlist new_bl;
+  new_bl.append("CEPH");
+  ObjectWriteOperation write2;
+  write2.cmpext(0, bl, nullptr);
+  write2.write(0, new_bl);
+  ASSERT_EQ(0, ioctx.operate("foo", &write2));
+
+  ObjectReadOperation read;
+  read.read(0, bl.length(), NULL, NULL);
+  ASSERT_EQ(0, ioctx.operate("foo", &read, &bl));
+  ASSERT_EQ(0, memcmp(bl.c_str(), "CEPH", 4));
+}
+
+TEST_F(LibRadosIoPP, CmpExtDNEPP) {
+  bufferlist bl;
+  bl.append(std::string(4, '\0'));
+
+  bufferlist new_bl;
+  new_bl.append("CEPH");
+  ObjectWriteOperation write;
+  write.cmpext(0, bl, nullptr);
+  write.write(0, new_bl);
+  ASSERT_EQ(0, ioctx.operate("foo", &write));
+
+  ObjectReadOperation read;
+  read.read(0, bl.length(), NULL, NULL);
+  ASSERT_EQ(0, ioctx.operate("foo", &read, &bl));
+  ASSERT_EQ(0, memcmp(bl.c_str(), "CEPH", 4));
+}
+
+TEST_F(LibRadosIoPP, CmpExtMismatchPP) {
+  bufferlist bl;
+  bl.append("ceph");
+  ObjectWriteOperation write1;
+  write1.write(0, bl);
+  ASSERT_EQ(0, ioctx.operate("foo", &write1));
+
+  bufferlist new_bl;
+  new_bl.append("CEPH");
+  ObjectWriteOperation write2;
+  write2.cmpext(0, new_bl, nullptr);
+  write2.write(0, new_bl);
+  ASSERT_EQ(-MAX_ERRNO, ioctx.operate("foo", &write2));
+
+  ObjectReadOperation read;
+  read.read(0, bl.length(), NULL, NULL);
+  ASSERT_EQ(0, ioctx.operate("foo", &read, &bl));
+  ASSERT_EQ(0, memcmp(bl.c_str(), "ceph", 4));
+}
+
+TEST_F(LibRadosIoECPP, CmpExtPP) {
+  bufferlist bl;
+  bl.append("ceph");
+  ObjectWriteOperation write1;
+  write1.write(0, bl);
+  ASSERT_EQ(0, ioctx.operate("foo", &write1));
+
+  bufferlist new_bl;
+  new_bl.append("CEPH");
+  ObjectWriteOperation write2;
+  write2.cmpext(0, bl, nullptr);
+  write2.write_full(new_bl);
+  ASSERT_EQ(0, ioctx.operate("foo", &write2));
+
+  ObjectReadOperation read;
+  read.read(0, bl.length(), NULL, NULL);
+  ASSERT_EQ(0, ioctx.operate("foo", &read, &bl));
+  ASSERT_EQ(0, memcmp(bl.c_str(), "CEPH", 4));
+}
+
+TEST_F(LibRadosIoECPP, CmpExtDNEPP) {
+  bufferlist bl;
+  bl.append(std::string(4, '\0'));
+
+  bufferlist new_bl;
+  new_bl.append("CEPH");
+  ObjectWriteOperation write;
+  write.cmpext(0, bl, nullptr);
+  write.write_full(new_bl);
+  ASSERT_EQ(0, ioctx.operate("foo", &write));
+
+  ObjectReadOperation read;
+  read.read(0, bl.length(), NULL, NULL);
+  ASSERT_EQ(0, ioctx.operate("foo", &read, &bl));
+  ASSERT_EQ(0, memcmp(bl.c_str(), "CEPH", 4));
+}
+
+TEST_F(LibRadosIoECPP, CmpExtMismatchPP) {
+  bufferlist bl;
+  bl.append("ceph");
+  ObjectWriteOperation write1;
+  write1.write(0, bl);
+  ASSERT_EQ(0, ioctx.operate("foo", &write1));
+
+  bufferlist new_bl;
+  new_bl.append("CEPH");
+  ObjectWriteOperation write2;
+  write2.cmpext(0, new_bl, nullptr);
+  write2.write_full(new_bl);
+  ASSERT_EQ(-MAX_ERRNO, ioctx.operate("foo", &write2));
+
+  ObjectReadOperation read;
+  read.read(0, bl.length(), NULL, NULL);
+  ASSERT_EQ(0, ioctx.operate("foo", &read, &bl));
+  ASSERT_EQ(0, memcmp(bl.c_str(), "ceph", 4));
+}