TEST_F(NgramKernelTest, TestNoTokensNoPad) {
  MakeOp("|", {3}, "", "", 0, false);
  // Batch items are:
  // 0:
  // 1: "a"
  AddInputFromArray<tstring>(TensorShape({1}), {"a"});
  AddInputFromArray<int64>(TensorShape({3}), {0, 0, 1});
  TF_ASSERT_OK(RunOpKernel());

  std::vector<tstring> expected_values({});
  std::vector<int64> expected_splits({0, 0, 0});

  assert_string_equal(expected_values, *GetOutput(0));
  assert_int64_equal(expected_splits, *GetOutput(1));
}
TEST_F(NgramKernelTest, TestNoTokensNoPad) {
  MakeOp("|", {3}, "", "", 0, false);
   
   
   
  AddInputFromArray<tstring>(TensorShape({1}), {"a"});
  AddInputFromArray<int64>(TensorShape({3}), {0, 0, 1});
  TF_ASSERT_OK(RunOpKernel());

  std::vector<tstring> expected_values({});
  std::vector<int64> expected_splits({0, 0, 0});

  assert_string_equal(expected_values, *GetOutput(0));
  assert_int64_equal(expected_splits, *GetOutput(1));
}