Function TEST

test/cpp/eager/data_structure_tests/eager_tensor_test.cc:33–89

}  // namespace eager_test

TEST(Tensor, Constructor) {
  paddle::Tensor et1 = paddle::Tensor();
  paddle::Tensor et2 = paddle::Tensor("et2");

  PADDLE_ENFORCE_EQ(et1.defined(),
                    false,
                    common::errors::InvalidArgument("Tensor et1 should be "
                                                    "undefined."));
  PADDLE_ENFORCE_EQ(et2.name(),
                    "et2",
                    common::errors::InvalidArgument("Tensor name should be "
                                                    "'et2'."));

  phi::DenseTensorMeta meta =
      phi::DenseTensorMeta(phi::DataType::FLOAT32, common::make_ddim({1, 2}));
  std::shared_ptr<phi::DenseTensor> dt = std::make_shared<phi::DenseTensor>(
      std::make_unique<paddle::experimental::DefaultAllocator>(phi::CPUPlace())
          .get(),
      meta);
  auto* dt_ptr = dt->mutable_data<float>(phi::CPUPlace());
  dt_ptr[0] = 5.0f;
  dt_ptr[1] = 10.0f;
  paddle::Tensor et3 = paddle::Tensor(dt);
  auto* et3_ptr =
      std::dynamic_pointer_cast<phi::DenseTensor>(et3.impl())->data<float>();
  PADDLE_ENFORCE_EQ(et3_ptr[0],
                    5.0f,
                    common::errors::InvalidArgument("First element should be "
                                                    "5.0f."));
  PADDLE_ENFORCE_EQ(et3_ptr[1],
                    10.0f,
                    common::errors::InvalidArgument("Second element should be "
                                                    "10.0f."));
  // copy constructor
  paddle::Tensor et4(et3);
  auto* et4_ptr =
      std::dynamic_pointer_cast<phi::DenseTensor>(et4.impl())->data<float>();
  PADDLE_ENFORCE_EQ(et4_ptr[0],
                    5.0f,
                    common::errors::InvalidArgument("First element should be "
                                                    "5.0f."));
  PADDLE_ENFORCE_EQ(et4_ptr[1],
                    10.0f,
                    common::errors::InvalidArgument("Second element should be "
                                                    "10.0f."));
  paddle::Tensor et5(std::move(et4));
  auto* et5_ptr =
      std::dynamic_pointer_cast<phi::DenseTensor>(et5.impl())->data<float>();
  PADDLE_ENFORCE_EQ(et5_ptr[0],
                    5.0f,
                    common::errors::InvalidArgument("First element should be "
                                                    "5.0f."));
  PADDLE_ENFORCE_EQ(et5_ptr[1],
                    10.0f,
                    common::errors::InvalidArgument("Second element should be "
                                                    "10.0f."));
}