Add unittest

Signed-off-by: Bogdan Pereanu <bogdan.pereanu@intel.com>

Author: pereanub

src/core/tests/ov_tensor_test.cpp

@@ -17,6 +17,7 @@
 #include "openvino/op/parameter.hpp"
 #include "openvino/reference/utils/coordinate_transform.hpp"
 #include "openvino/runtime/allocator.hpp"
+#include "openvino/runtime/make_tensor.hpp"
 #include "openvino/runtime/remote_tensor.hpp"
 #include "openvino/runtime/tensor.hpp"
 
@@ -953,6 +954,22 @@ TEST_F(OVTensorTest, createAllocationOverflow) {
                     HasSubstr("Cannot allocate memory"));
 }
 
+TEST_F(OVTensorTest, getTensorDataOffsetFromRoiTensor) {
+    const ov::Tensor tensor(ov::element::f32, ov::Shape{3, 5, 32, 128});
+    ov::Tensor roi_tensor;
+    OV_ASSERT_NO_THROW(roi_tensor = ov::Tensor(tensor, {1, 2, 5, 64}, {2, 3, 10, 128}));
+    size_t tensor_data_offset = ov::get_tensor_data_offset(ov::get_tensor_impl(roi_tensor));
+    EXPECT_EQ(static_cast<const uint8_t*>(roi_tensor.data()),
+              static_cast<const uint8_t*>(tensor.data()) + tensor_data_offset);
+}
+
+TEST_F(OVTensorTest, getTensorDataOffsetFromGeneralTensor) {
+    const ov::Tensor tensor(ov::element::f32, ov::Shape{3, 5, 32, 128});
+    size_t tensor_data_offset = ov::get_tensor_data_offset(ov::get_tensor_impl(tensor));
+    EXPECT_EQ(static_cast<const uint8_t*>(tensor.data()),
+              static_cast<const uint8_t*>(tensor.data()) + tensor_data_offset);
+}
+
 struct TestParams {
     ov::Shape src_shape;
     ov::Strides src_strides;