Function AssertFileContents

cpp/src/arrow/io/test_common.cc:43–50

namespace io {

void AssertFileContents(const std::string& path, const std::string& contents) {
  ASSERT_OK_AND_ASSIGN(auto rf, ReadableFile::Open(path));
  ASSERT_OK_AND_ASSIGN(int64_t size, rf->GetSize());
  ASSERT_EQ(size, contents.size());

  ASSERT_OK_AND_ASSIGN(auto actual_data, rf->Read(size));
  ASSERT_TRUE(actual_data->Equals(Buffer(contents)));
}

bool FileExists(const std::string& path) { return std::ifstream(path.c_str()).good(); }