1#include <assert.h>
2#include <js_native_api.h>
3#include <stdlib.h>
4#include "../common.h"
5#include "../entry_point.h"
6
7static int test_value = 1;
8static int finalize_count = 0;
9
10static void FinalizeExternalCallJs(napi_env env, void* data, void* hint) {
11  int* actual_value = data;
12  NODE_API_ASSERT_RETURN_VOID(
13      env,
14      actual_value == &test_value,
15      "The correct pointer was passed to the finalizer");
16
17  napi_ref finalizer_ref = (napi_ref)hint;
18  napi_value js_finalizer;
19  napi_value recv;
20  NODE_API_CALL_RETURN_VOID(
21      env, napi_get_reference_value(env, finalizer_ref, &js_finalizer));
22  NODE_API_CALL_RETURN_VOID(env, napi_get_global(env, &recv));
23  NODE_API_CALL_RETURN_VOID(
24      env, napi_call_function(env, recv, js_finalizer, 0, NULL, NULL));
25  NODE_API_CALL_RETURN_VOID(env, napi_delete_reference(env, finalizer_ref));
26}
27
28static napi_value CreateExternalWithJsFinalize(napi_env env,
29                                               napi_callback_info info) {
30  size_t argc = 1;
31  napi_value args[1];
32  NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
33  NODE_API_ASSERT(env, argc == 1, "Wrong number of arguments");
34  napi_value finalizer = args[0];
35  napi_valuetype finalizer_valuetype;
36  NODE_API_CALL(env, napi_typeof(env, finalizer, &finalizer_valuetype));
37  NODE_API_ASSERT(env,
38                  finalizer_valuetype == napi_function,
39                  "Wrong type of first argument");
40  napi_ref finalizer_ref;
41  NODE_API_CALL(env, napi_create_reference(env, finalizer, 1, &finalizer_ref));
42
43  napi_value result;
44  NODE_API_CALL(env,
45                napi_create_external(env,
46                                     &test_value,
47                                     FinalizeExternalCallJs,
48                                     finalizer_ref, /* finalize_hint */
49                                     &result));
50
51  finalize_count = 0;
52  return result;
53}
54
55EXTERN_C_START
56napi_value Init(napi_env env, napi_value exports) {
57  napi_property_descriptor descriptors[] = {
58      DECLARE_NODE_API_PROPERTY("createExternalWithJsFinalize",
59                                CreateExternalWithJsFinalize),
60  };
61
62  NODE_API_CALL(
63      env,
64      napi_define_properties(env,
65                             exports,
66                             sizeof(descriptors) / sizeof(*descriptors),
67                             descriptors));
68
69  return exports;
70}
71EXTERN_C_END
72