1 // we define NODE_API_NO_EXTERNAL_BUFFERS_ALLOWED here to
2 // validate that it can be used as a form of test itself. It is
3 // not related to any of the other tests
4 // defined in the file
5 #define NODE_API_NO_EXTERNAL_BUFFERS_ALLOWED
6 #include <js_native_api.h>
7 #include <stdint.h>
8 #include <stdio.h>
9 #include <stdlib.h>
10 #include "../common.h"
11 #include "../entry_point.h"
12 
testStrictEquals(napi_env env, napi_callback_info info)13 static napi_value testStrictEquals(napi_env env, napi_callback_info info) {
14   size_t argc = 2;
15   napi_value args[2];
16   NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
17 
18   bool bool_result;
19   napi_value result;
20   NODE_API_CALL(env, napi_strict_equals(env, args[0], args[1], &bool_result));
21   NODE_API_CALL(env, napi_get_boolean(env, bool_result, &result));
22 
23   return result;
24 }
25 
testGetPrototype(napi_env env, napi_callback_info info)26 static napi_value testGetPrototype(napi_env env, napi_callback_info info) {
27   size_t argc = 1;
28   napi_value args[1];
29   NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
30 
31   napi_value result;
32   NODE_API_CALL(env, napi_get_prototype(env, args[0], &result));
33 
34   return result;
35 }
36 
testGetVersion(napi_env env, napi_callback_info info)37 static napi_value testGetVersion(napi_env env, napi_callback_info info) {
38   uint32_t version;
39   napi_value result;
40   NODE_API_CALL(env, napi_get_version(env, &version));
41   NODE_API_CALL(env, napi_create_uint32(env, version, &result));
42   return result;
43 }
44 
doInstanceOf(napi_env env, napi_callback_info info)45 static napi_value doInstanceOf(napi_env env, napi_callback_info info) {
46   size_t argc = 2;
47   napi_value args[2];
48   NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
49 
50   bool instanceof;
51   NODE_API_CALL(env, napi_instanceof(env, args[0], args[1], &instanceof));
52 
53   napi_value result;
54   NODE_API_CALL(env, napi_get_boolean(env, instanceof, &result));
55 
56   return result;
57 }
58 
getNull(napi_env env, napi_callback_info info)59 static napi_value getNull(napi_env env, napi_callback_info info) {
60   napi_value result;
61   NODE_API_CALL(env, napi_get_null(env, &result));
62   return result;
63 }
64 
getUndefined(napi_env env, napi_callback_info info)65 static napi_value getUndefined(napi_env env, napi_callback_info info) {
66   napi_value result;
67   NODE_API_CALL(env, napi_get_undefined(env, &result));
68   return result;
69 }
70 
createNapiError(napi_env env, napi_callback_info info)71 static napi_value createNapiError(napi_env env, napi_callback_info info) {
72   napi_value value;
73   NODE_API_CALL(env, napi_create_string_utf8(env, "xyz", 3, &value));
74 
75   double double_value;
76   napi_status status = napi_get_value_double(env, value, &double_value);
77 
78   NODE_API_ASSERT(env, status != napi_ok, "Failed to produce error condition");
79 
80   const napi_extended_error_info *error_info = 0;
81   NODE_API_CALL(env, napi_get_last_error_info(env, &error_info));
82 
83   NODE_API_ASSERT(env, error_info->error_code == status,
84       "Last error info code should match last status");
85   NODE_API_ASSERT(env, error_info->error_message,
86       "Last error info message should not be null");
87 
88   return NULL;
89 }
90 
testNapiErrorCleanup(napi_env env, napi_callback_info info)91 static napi_value testNapiErrorCleanup(napi_env env, napi_callback_info info) {
92   const napi_extended_error_info *error_info = 0;
93   NODE_API_CALL(env, napi_get_last_error_info(env, &error_info));
94 
95   napi_value result;
96   bool is_ok = error_info->error_code == napi_ok;
97   NODE_API_CALL(env, napi_get_boolean(env, is_ok, &result));
98 
99   return result;
100 }
101 
testNapiTypeof(napi_env env, napi_callback_info info)102 static napi_value testNapiTypeof(napi_env env, napi_callback_info info) {
103   size_t argc = 1;
104   napi_value args[1];
105   NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
106 
107   napi_valuetype argument_type;
108   NODE_API_CALL(env, napi_typeof(env, args[0], &argument_type));
109 
110   napi_value result = NULL;
111   if (argument_type == napi_number) {
112     NODE_API_CALL(env, napi_create_string_utf8(
113         env, "number", NAPI_AUTO_LENGTH, &result));
114   } else if (argument_type == napi_string) {
115     NODE_API_CALL(env, napi_create_string_utf8(
116         env, "string", NAPI_AUTO_LENGTH, &result));
117   } else if (argument_type == napi_function) {
118     NODE_API_CALL(env, napi_create_string_utf8(
119         env, "function", NAPI_AUTO_LENGTH, &result));
120   } else if (argument_type == napi_object) {
121     NODE_API_CALL(env, napi_create_string_utf8(
122         env, "object", NAPI_AUTO_LENGTH, &result));
123   } else if (argument_type == napi_boolean) {
124     NODE_API_CALL(env, napi_create_string_utf8(
125         env, "boolean", NAPI_AUTO_LENGTH, &result));
126   } else if (argument_type == napi_undefined) {
127     NODE_API_CALL(env, napi_create_string_utf8(
128         env, "undefined", NAPI_AUTO_LENGTH, &result));
129   } else if (argument_type == napi_symbol) {
130     NODE_API_CALL(env, napi_create_string_utf8(
131         env, "symbol", NAPI_AUTO_LENGTH, &result));
132   } else if (argument_type == napi_null) {
133     NODE_API_CALL(env, napi_create_string_utf8(
134         env, "null", NAPI_AUTO_LENGTH, &result));
135   }
136   return result;
137 }
138 
139 static bool deref_item_called = false;
deref_item(napi_env env, void* data, void* hint)140 static void deref_item(napi_env env, void* data, void* hint) {
141   (void) hint;
142 
143   NODE_API_ASSERT_RETURN_VOID(env, data == &deref_item_called,
144     "Finalize callback was called with the correct pointer");
145 
146   deref_item_called = true;
147 }
148 
deref_item_was_called(napi_env env, napi_callback_info info)149 static napi_value deref_item_was_called(napi_env env, napi_callback_info info) {
150   napi_value it_was_called;
151 
152   NODE_API_CALL(env, napi_get_boolean(env, deref_item_called, &it_was_called));
153 
154   return it_was_called;
155 }
156 
wrap_first_arg(napi_env env, napi_callback_info info, napi_finalize finalizer, void* data)157 static napi_value wrap_first_arg(napi_env env,
158                                  napi_callback_info info,
159                                  napi_finalize finalizer,
160                                  void* data) {
161   size_t argc = 1;
162   napi_value to_wrap;
163 
164   NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, &to_wrap, NULL, NULL));
165   NODE_API_CALL(env, napi_wrap(env, to_wrap, data, finalizer, NULL, NULL));
166 
167   return to_wrap;
168 }
169 
wrap(napi_env env, napi_callback_info info)170 static napi_value wrap(napi_env env, napi_callback_info info) {
171   deref_item_called = false;
172   return wrap_first_arg(env, info, deref_item, &deref_item_called);
173 }
174 
unwrap(napi_env env, napi_callback_info info)175 static napi_value unwrap(napi_env env, napi_callback_info info) {
176   size_t argc = 1;
177   napi_value wrapped;
178   void* data;
179 
180   NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, &wrapped, NULL, NULL));
181   NODE_API_CALL(env, napi_unwrap(env, wrapped, &data));
182 
183   return NULL;
184 }
185 
remove_wrap(napi_env env, napi_callback_info info)186 static napi_value remove_wrap(napi_env env, napi_callback_info info) {
187   size_t argc = 1;
188   napi_value wrapped;
189   void* data;
190 
191   NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, &wrapped, NULL, NULL));
192   NODE_API_CALL(env, napi_remove_wrap(env, wrapped, &data));
193 
194   return NULL;
195 }
196 
197 static bool finalize_called = false;
test_finalize(napi_env env, void* data, void* hint)198 static void test_finalize(napi_env env, void* data, void* hint) {
199   finalize_called = true;
200 }
201 
test_finalize_wrap(napi_env env, napi_callback_info info)202 static napi_value test_finalize_wrap(napi_env env, napi_callback_info info) {
203   return wrap_first_arg(env, info, test_finalize, NULL);
204 }
205 
finalize_was_called(napi_env env, napi_callback_info info)206 static napi_value finalize_was_called(napi_env env, napi_callback_info info) {
207   napi_value it_was_called;
208 
209   NODE_API_CALL(env, napi_get_boolean(env, finalize_called, &it_was_called));
210 
211   return it_was_called;
212 }
213 
testAdjustExternalMemory(napi_env env, napi_callback_info info)214 static napi_value testAdjustExternalMemory(napi_env env, napi_callback_info info) {
215   napi_value result;
216   int64_t adjustedValue;
217 
218   NODE_API_CALL(env, napi_adjust_external_memory(env, 1, &adjustedValue));
219   NODE_API_CALL(env, napi_create_double(env, (double)adjustedValue, &result));
220 
221   return result;
222 }
223 
testNapiRun(napi_env env, napi_callback_info info)224 static napi_value testNapiRun(napi_env env, napi_callback_info info) {
225   napi_value script, result;
226   size_t argc = 1;
227 
228   NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, &script, NULL, NULL));
229 
230   NODE_API_CALL(env, napi_run_script(env, script, &result));
231 
232   return result;
233 }
234 
finalizer_only_callback(napi_env env, void* data, void* hint)235 static void finalizer_only_callback(napi_env env, void* data, void* hint) {
236   napi_ref js_cb_ref = data;
237   napi_value js_cb, undefined;
238   NODE_API_CALL_RETURN_VOID(env, napi_get_reference_value(env, js_cb_ref, &js_cb));
239   NODE_API_CALL_RETURN_VOID(env, napi_get_undefined(env, &undefined));
240   NODE_API_CALL_RETURN_VOID(env,
241       napi_call_function(env, undefined, js_cb, 0, NULL, NULL));
242   NODE_API_CALL_RETURN_VOID(env, napi_delete_reference(env, js_cb_ref));
243 }
244 
add_finalizer_only(napi_env env, napi_callback_info info)245 static napi_value add_finalizer_only(napi_env env, napi_callback_info info) {
246   size_t argc = 2;
247   napi_value argv[2];
248   napi_ref js_cb_ref;
249 
250   NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, argv, NULL, NULL));
251   NODE_API_CALL(env, napi_create_reference(env, argv[1], 1, &js_cb_ref));
252   NODE_API_CALL(env,
253       napi_add_finalizer(
254           env, argv[0], js_cb_ref, finalizer_only_callback, NULL, NULL));
255   return NULL;
256 }
257 
258 static const char* env_cleanup_finalizer_messages[] = {
259   "simple wrap",
260   "wrap, removeWrap",
261   "first wrap",
262   "second wrap"
263 };
264 
cleanup_env_finalizer(napi_env env, void* data, void* hint)265 static void cleanup_env_finalizer(napi_env env, void* data, void* hint) {
266   (void) env;
267   (void) hint;
268 
269   printf("finalize at env cleanup for %s\n",
270       env_cleanup_finalizer_messages[(uintptr_t)data]);
271 }
272 
env_cleanup_wrap(napi_env env, napi_callback_info info)273 static napi_value env_cleanup_wrap(napi_env env, napi_callback_info info) {
274   size_t argc = 2;
275   napi_value argv[2];
276   uint32_t value;
277   uintptr_t ptr_value;
278   NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, argv, NULL, NULL));
279 
280   NODE_API_CALL(env, napi_get_value_uint32(env, argv[1], &value));
281 
282   ptr_value = value;
283   return wrap_first_arg(env, info, cleanup_env_finalizer, (void*)ptr_value);
284 }
285 
286 EXTERN_C_START
Init(napi_env env, napi_value exports)287 napi_value Init(napi_env env, napi_value exports) {
288   napi_property_descriptor descriptors[] = {
289     DECLARE_NODE_API_PROPERTY("testStrictEquals", testStrictEquals),
290     DECLARE_NODE_API_PROPERTY("testGetPrototype", testGetPrototype),
291     DECLARE_NODE_API_PROPERTY("testGetVersion", testGetVersion),
292     DECLARE_NODE_API_PROPERTY("testNapiRun", testNapiRun),
293     DECLARE_NODE_API_PROPERTY("doInstanceOf", doInstanceOf),
294     DECLARE_NODE_API_PROPERTY("getUndefined", getUndefined),
295     DECLARE_NODE_API_PROPERTY("getNull", getNull),
296     DECLARE_NODE_API_PROPERTY("createNapiError", createNapiError),
297     DECLARE_NODE_API_PROPERTY("testNapiErrorCleanup", testNapiErrorCleanup),
298     DECLARE_NODE_API_PROPERTY("testNapiTypeof", testNapiTypeof),
299     DECLARE_NODE_API_PROPERTY("wrap", wrap),
300     DECLARE_NODE_API_PROPERTY("envCleanupWrap", env_cleanup_wrap),
301     DECLARE_NODE_API_PROPERTY("unwrap", unwrap),
302     DECLARE_NODE_API_PROPERTY("removeWrap", remove_wrap),
303     DECLARE_NODE_API_PROPERTY("addFinalizerOnly", add_finalizer_only),
304     DECLARE_NODE_API_PROPERTY("testFinalizeWrap", test_finalize_wrap),
305     DECLARE_NODE_API_PROPERTY("finalizeWasCalled", finalize_was_called),
306     DECLARE_NODE_API_PROPERTY("derefItemWasCalled", deref_item_was_called),
307     DECLARE_NODE_API_PROPERTY("testAdjustExternalMemory", testAdjustExternalMemory)
308   };
309 
310   NODE_API_CALL(env, napi_define_properties(
311       env, exports, sizeof(descriptors) / sizeof(*descriptors), descriptors));
312 
313   return exports;
314 }
315 EXTERN_C_END
316