Function test_object_contents

src/test/common/ObjectContents.cc:7–64

#include <map>

bool test_object_contents()
{
  ObjectContents c, d;
  ceph_assert(!c.exists());
  c.debug(std::cerr);
  c.write(10, 10, 10);
  ceph_assert(c.exists());
  ceph_assert(c.size() == 20);

  c.debug(std::cerr);
  bufferlist bl;
  for (ObjectContents::Iterator iter = c.get_iterator();
       iter.valid();
       ++iter) {
    bl.append(*iter);
  }
  ceph_assert(bl.length() == 20);

  bufferlist bl2;
  for (unsigned i = 0; i < 8; ++i) bl2.append(bl[i]);
  c.write(10, 8, 4);
  c.debug(std::cerr);
  ObjectContents::Iterator iter = c.get_iterator();
  iter.seek_to(8);
  for (uint64_t i = 8;
       i < 12;
       ++i, ++iter) {
    bl2.append(*iter);
  }
  for (unsigned i = 12; i < 20; ++i) bl2.append(bl[i]);
  ceph_assert(bl2.length() == 20);

  for (ObjectContents::Iterator iter3 = c.get_iterator();
       iter.valid();
       ++iter) {
    ceph_assert(bl2[iter3.get_pos()] == *iter3);
  }

  ceph_assert(bl2[0] == '\0');
  ceph_assert(bl2[7] == '\0');

  interval_set<uint64_t> to_clone;
  to_clone.insert(5, 10);
  d.clone_range(c, to_clone);
  ceph_assert(d.size() == 15);

  c.debug(std::cerr);
  d.debug(std::cerr);

  ObjectContents::Iterator iter2 = d.get_iterator();
  iter2.seek_to(5);
  for (uint64_t i = 5; i < 15; ++i, ++iter2) {
    std::cerr << "i is " << i << std::endl;
    ceph_assert(iter2.get_pos() == i);
    ceph_assert(*iter2 == bl2[i]);
  }
  return true;
}