Added missing testing for Memory_Make C-API

Author: oleksandr-pavlyk

dpctl/tests/test_sycl_usm.py

@@ -545,6 +545,7 @@ def test_cpython_api(memory_ctor):
     mem_q_ref_fn_cap = mod.__pyx_capi__["Memory_GetQueueRef"]
     mem_ctx_ref_fn_cap = mod.__pyx_capi__["Memory_GetContextRef"]
     mem_nby_fn_cap = mod.__pyx_capi__["Memory_GetNumBytes"]
+    mem_make_fn_cap = mod.__pyx_capi__["Memory_Make"]
     # construct Python callable to invoke functions
     cap_ptr_fn = ctypes.pythonapi.PyCapsule_GetPointer
     cap_ptr_fn.restype = ctypes.c_void_p
@@ -561,11 +562,23 @@ def test_cpython_api(memory_ctor):
     mem_nby_fn_ptr = cap_ptr_fn(
         mem_nby_fn_cap, b"size_t (struct Py_MemoryObject *)"
     )
+    mem_make_fn_ptr = cap_ptr_fn(
+        mem_make_fn_cap,
+        b"PyObject *(DPCTLSyclUSMRef, size_t, DPCTLSyclQueueRef, PyObject *)",
+    )
     callable_maker = ctypes.PYFUNCTYPE(ctypes.c_void_p, ctypes.py_object)
     get_ptr_fn = callable_maker(mem_ptr_fn_ptr)
     get_ctx_ref_fn = callable_maker(mem_ctx_ref_fn_ptr)
     get_q_ref_fn = callable_maker(mem_q_ref_fn_ptr)
     get_nby_fn = callable_maker(mem_nby_fn_ptr)
+    make_callable_maker = ctypes.PYFUNCTYPE(
+        ctypes.py_object,
+        ctypes.c_void_p,
+        ctypes.c_size_t,
+        ctypes.c_void_p,
+        ctypes.py_object,
+    )
+    make_fn = make_callable_maker(mem_make_fn_ptr)
 
     capi_ptr = get_ptr_fn(mobj)
     direct_ptr = mobj._pointer
@@ -580,6 +593,15 @@ def test_cpython_api(memory_ctor):
     direct_nbytes = mobj.nbytes
     assert capi_nbytes == direct_nbytes
 
+    mobj2 = make_fn(
+        mobj._pointer,
+        ctypes.c_size_t(mobj.nbytes),
+        mobj.sycl_queue.addressof_ref(),
+        mobj,
+    )
+    assert mobj2._pointer == mobj._pointer
+    assert mobj2.reference_obj is mobj
+
 
 def test_memory_construction_from_other_memory_objects():
     try: