src/storage/existence_filter_main.cc

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#include "storage/existence_filter.h"

#include <string>

#include "base/flags.h"
#include "base/logging.h"
#include "base/port.h"
#include "base/util.h"

using mozc::storage::ExistenceFilter;

int main(int argc, char **argv) {
  InitGoogle(argv[0], &argc, &argv, false);

  int n = 500;
  int m = ExistenceFilter::MinFilterSizeInBytesForErrorRate(0.01, n);
  ExistenceFilter *filter = ExistenceFilter::CreateOptimal(m, n);
  for (int i = 0; i < n; ++i) {
    uint64 val = i * 2;
    filter->Insert(val);
  }

  for (int i = 0; i < 2 * n; ++i) {
    uint64 val = i;
    if ((i % 2) == 0) {
      CHECK(filter->Exists(val));
    }
  }

  return 0;
}