EXPECT_EQ(TF_OK, TF_GetCode(status)) << TF_Message(status);

  // Create a new tensor_handle.
  TFE_TensorHandle* h0_task0_new = TestMatrixTensorHandle(ctx);

  // Check that copying it to the old remote device (named localhost) fails.
  TFE_TensorHandleCopyToDevice(h0_task0_new, ctx, remote_device_name, status);
  EXPECT_NE(TF_OK, TF_GetCode(status)) << TF_Message(status);

  const std::string old_filepath = GetURIForPath("a_file/x");
  const std::string new_filepath = GetURIForPath("a_new_file");
  status = env_->RenameFile(old_filepath, new_filepath);
  EXPECT_PRED2(UnimplementedOrReturnsCode, status, Code::FAILED_PRECONDITION);
}

TEST_P(ModularFileSystemTest, TestRenameFileTargetPathIsInvalid) {
  const std::string old_filepath = GetURIForPath("a_file");

    EXPECT_EQ(*reinterpret_cast<tensorflow::int32*>(TF_TensorData(r)), 42);
    TFE_ContextSetExecutorForThread(ctx, old_executor);
    TFE_ExecutorWaitForAllPendingNodes(executor, status);
    ASSERT_EQ(TF_OK, TF_GetCode(status)) << TF_Message(status);
    TFE_DeleteExecutor(executor);
    TFE_DeleteExecutor(old_executor);
    TFE_DeleteTensorHandle(h);
    TF_DeleteTensor(r);
    TFE_DeleteTensorHandle(result[0]);
  }