#include "tensorflow/core/framework/allocator.h"
#include "tensorflow/core/framework/fake_input.h"
#include "tensorflow/core/framework/graph.pb.h"
#include "tensorflow/core/framework/node_def_builder.h"
#include "tensorflow/core/framework/op_kernel.h"
#include "tensorflow/core/framework/tensor_testutil.h"
#include "tensorflow/core/framework/types.h"
#include "tensorflow/core/framework/types.pb.h"
#include "tensorflow/core/kernels/ops_util.h"
#include "tensorflow/core/kernels/ops_testutil.h"
#include "tensorflow/core/public/tensor.h"
#include <gtest/gtest.h>
#include "tensorflow/core/lib/core/status_test_util.h"

namespace tensorflow {

class RandomCropOpTest : public OpsTestBase {
 protected:
  RandomCropOpTest() {
    RequireDefaultOps();
    EXPECT_OK(NodeDefBuilder("random_crop_op", "RandomCrop")
                  .Input(FakeInput(DT_UINT8))
                  .Input(FakeInput(DT_INT64))
                  .Attr("T", DT_UINT8)
                  .Finalize(node_def()));
    EXPECT_OK(InitOp());
  }
};

TEST_F(RandomCropOpTest, Basic) {
  AddInputFromArray<uint8>(TensorShape({1, 2, 1}), {2, 2});
  AddInputFromArray<int64>(TensorShape({2}), {1, 1});
  ASSERT_OK(RunOpKernel());

  Tensor expected(allocator(), DT_UINT8, TensorShape({1, 1, 1}));
  test::FillValues<uint8>(&expected, {2});
  test::ExpectTensorEqual<uint8>(expected, *GetOutput(0));
}

TEST_F(RandomCropOpTest, SameSizeOneChannel) {
  AddInputFromArray<uint8>(TensorShape({2, 1, 1}), {1, 2});
  AddInputFromArray<int64>(TensorShape({2}), {2, 1});
  ASSERT_OK(RunOpKernel());

  Tensor expected(allocator(), DT_UINT8, TensorShape({2, 1, 1}));
  test::FillValues<uint8>(&expected, {1, 2});
  test::ExpectTensorEqual<uint8>(expected, *GetOutput(0));
}

TEST_F(RandomCropOpTest, SameSizeMultiChannel) {
  AddInputFromArray<uint8>(TensorShape({2, 1, 3}), {1, 2, 3, 4, 5, 6});
  AddInputFromArray<int64>(TensorShape({2}), {2, 1});
  ASSERT_OK(RunOpKernel());

  Tensor expected(allocator(), DT_UINT8, TensorShape({2, 1, 3}));
  test::FillValues<uint8>(&expected, {1, 2, 3, 4, 5, 6});
  test::ExpectTensorEqual<uint8>(expected, *GetOutput(0));
}

}  // namespace tensorflow