// the directory specified by the environment variable
  // TEST_UNDECLARED_OUTPUTS_DIR.
  string lower_path = absl::AsciiStrToLower(path);
  if (lower_path == "sponge") {
    if (!tensorflow::io::GetTestUndeclaredOutputsDir(&path)) {
      LOG(ERROR) << "MLIR crash reproducer is set to '" << dir_path.str()
                 << "', but environment variable TEST_UNDECLARED_OUTPUTS_DIR "
                    "is not set, so cannot dump anywhere.";

// Reads the directory to dump the MLIR module from environment variables.
// Default is reading from TF_DUMP_GRAPH_PREFIX, and if the string is 'sponge'
// read from TEST_UNDECLARED_OUTPUTS_DIR. Returns nullptr if the directory
// cannot be determined and generates a warning message.
std::string GetDumpDirFromEnvVar();

// Dumps a raw string to a file and returns the file name used.
//

 private:
  std::string GetOutputPath() {
    const auto* const test_info =
        testing::UnitTest::GetInstance()->current_test_info();
    return tsl::io::JoinPath(
        getenv("TEST_UNDECLARED_OUTPUTS_DIR"),
        absl::StrCat(test_info->test_suite_name(), ".", test_info->name()));
  }
};

TEST_F(InitPassManagerTest, CrashReproducer) {
  converter::DebugOptions debug_options;