src/third_party/google-sparsehash/src/simple_test.cc

// Copyright (c) 2007, Google Inc.
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// ---
// Author: Craig Silverstein
//
// This tests mostly that we can #include the files correctly
// and have them work.  This unittest purposefully does not
// #include <config.h>; it's meant to emulate what a 'regular
// install' of sparsehash would be able to see.

#include <stdio.h>
#include <google/sparse_hash_set>
#include <google/sparse_hash_map>
#include <google/dense_hash_set>
#include <google/dense_hash_map>

#define CHECK_IFF(cond, when) do {                                      \
  if (when) {                                                           \
    if (!(cond)) {                                                      \
      puts("ERROR: " #cond " failed when " #when " is true\n");         \
      exit(1);                                                          \
    }                                                                   \
  } else {                                                              \
    if (cond) {                                                         \
      puts("ERROR: " #cond " succeeded when " #when " is false\n");     \
      exit(1);                                                          \
    }                                                                   \
  }                                                                     \
} while (0)

int main(int argc, char** argv) {
  // Run with an argument to get verbose output
  const bool verbose = argc > 1;

  google::sparse_hash_set<int> sset;
  google::sparse_hash_map<int, int> smap;
  google::dense_hash_set<int> dset;
  google::dense_hash_map<int, int> dmap;
  dset.set_empty_key(-1);
  dmap.set_empty_key(-1);

  for (int i = 0; i < 100; i += 10) {   // go by tens
    sset.insert(i);
    smap[i] = i+1;
    dset.insert(i + 5);
    dmap[i+5] = i+6;
  }

  if (verbose) {
    for (google::sparse_hash_set<int>::const_iterator it = sset.begin();
         it != sset.end(); ++it)
      printf("sset: %d\n", *it);
    for (google::sparse_hash_map<int,int>::const_iterator it = smap.begin();
         it != smap.end(); ++it)
      printf("smap: %d -> %d\n", it->first, it->second);
    for (google::dense_hash_set<int>::const_iterator it = dset.begin();
         it != dset.end(); ++it)
      printf("dset: %d\n", *it);
    for (google::dense_hash_map<int,int>::const_iterator it = dmap.begin();
         it != dmap.end(); ++it)
      printf("dmap: %d -> %d\n", it->first, it->second);
  }

  for (int i = 0; i < 100; i++) {
    CHECK_IFF(sset.find(i) != sset.end(), (i % 10) == 0);
    CHECK_IFF(smap.find(i) != smap.end(), (i % 10) == 0);
    CHECK_IFF(smap.find(i) != smap.end() && smap.find(i)->second == i+1,
              (i % 10) == 0);
    CHECK_IFF(dset.find(i) != dset.end(), (i % 10) == 5);
    CHECK_IFF(dmap.find(i) != dmap.end(), (i % 10) == 5);
    CHECK_IFF(dmap.find(i) != dmap.end() && dmap.find(i)->second == i+1,
              (i % 10) == 5);
  }
  printf("PASS\n");
  return 0;
}