Function ThrowDefaultError

test/error.cc:362–396

}

void ThrowDefaultError(const CallbackInfo& info) {
  napi_value dummy;
  napi_env env = info.Env();
  napi_status status = napi_get_undefined(env, &dummy);
  NAPI_FATAL_IF_FAILED(status, "ThrowDefaultError", "napi_get_undefined");

  if (info[0].As<Boolean>().Value()) {
    // Provoke Node-API into setting an error, then use the `Napi::Error::New`
    // factory with only the `env` parameter to throw an exception generated
    // from the last error.
    uint32_t dummy_uint32;
    status = napi_get_value_uint32(env, dummy, &dummy_uint32);
    if (status == napi_ok) {
      Error::Fatal("ThrowDefaultError", "napi_get_value_uint32");
    }
    // We cannot use `NAPI_THROW_IF_FAILED()` here because we do not wish
    // control to pass back to the engine if we throw an exception here and C++
    // exceptions are turned on.
    Napi::Error::New(env).ThrowAsJavaScriptException();
  }

  // Produce and throw a second error that has different content than the one
  // above. If the one above was thrown, then throwing the one below should
  // have the effect of re-throwing the one above.
  status = napi_get_named_property(env, dummy, "xyzzy", &dummy);
  if (status == napi_ok) {
    Error::Fatal("ThrowDefaultError", "napi_get_named_property");
  }

  ReleaseAndWaitForChildProcess(info, 1);

  // The macro creates a `Napi::Error` using the factory that takes only the
  // env, however, it heeds the exception mechanism to be used.
  NAPI_THROW_IF_FAILED_VOID(env, status);
}

}  // end anonymous namespace