Function ReadCache

tensorflow/core/platform/cloud/ram_file_block_cache_test.cc:28–38

namespace {

Status ReadCache(RamFileBlockCache* cache, const string& filename,
                 size_t offset, size_t n, std::vector<char>* out) {
  out->clear();
  out->resize(n, 0);
  size_t bytes_transferred = 0;
  Status status =
      cache->Read(filename, offset, n, out->data(), &bytes_transferred);
  EXPECT_LE(bytes_transferred, n);
  out->resize(bytes_transferred, n);
  return status;
}

TEST(RamFileBlockCacheTest, IsCacheEnabled) {
  auto fetcher = [](const string& filename, size_t offset, size_t n,