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#include "io.hh"

#include "stream.hh"
#include "../file.hh"

#define BOOST_TEST_MODULE StreamTest
#include <boost/test/unit_test.hpp>

#include <unistd.h>

namespace util { namespace stream { namespace {

BOOST_AUTO_TEST_CASE(StreamTest) {
  scoped_fd in(MakeTemp("io_test_temp"));
  for (uint64_t i = 0; i < 100000; ++i) {
    WriteOrThrow(in.get(), &i, sizeof(uint64_t));
  }
  SeekOrThrow(in.get(), 0);

  ChainConfig config;
  config.entry_size = 8;
  config.total_memory = 100;
  config.block_count = 12;

  Stream s;
  Chain chain(config);
  chain >> Read(in.get()) >> s >> kRecycle;
  uint64_t i = 0;
  for (; s; ++s, ++i) {
    BOOST_CHECK_EQUAL(i, *static_cast<const uint64_t*>(s.Get()));
  }
  BOOST_CHECK_EQUAL(100000ULL, i);
}

}}} // namespaces