n-api: refactoring napi_create_function testing

This is a refactoring of #26998
following #28505.

The functions `add_last_status()` and `add_returned_status()` are now
reused, see also #28848.

PR-URL: #28894
Reviewed-By: Gabriel Schulhof <[email protected]>
Reviewed-By: Michael Dawson <[email protected]>
Reviewed-By: Rich Trott <[email protected]>

Author: Octavian Soldea

test/js-native-api/test_function/binding.gyp

@@ -3,6 +3,7 @@
     {
       "target_name": "test_function",
       "sources": [
+        "../common.c",
         "../entry_point.c",
         "test_function.c"
       ]

test/js-native-api/test_function/test.js

@@ -37,8 +37,8 @@ tracked_function = null;
 global.gc();
 
 assert.deepStrictEqual(test_function.TestCreateFunctionParameters(), {
-  envIsNull: 'pass',
-  nameIsNull: 'pass',
-  cbIsNull: 'pass',
-  resultIsNull: 'pass'
+  envIsNull: 'Invalid argument',
+  nameIsNull: 'napi_ok',
+  cbIsNull: 'Invalid argument',
+  resultIsNull: 'Invalid argument'
 });

test/js-native-api/test_function/test_function.c

@@ -3,79 +3,51 @@
 
 static napi_value TestCreateFunctionParameters(napi_env env,
                                                napi_callback_info info) {
-  napi_status ret[4];
-  napi_value result, return_value, prop_value;
+  napi_status status;
+  napi_value result, return_value;
 
+  NAPI_CALL(env, napi_create_object(env, &return_value));
 
-  ret[0] = napi_create_function(NULL,
+  status = napi_create_function(NULL,
                                 "TrackedFunction",
                                 NAPI_AUTO_LENGTH,
                                 TestCreateFunctionParameters,
                                 NULL,
                                 &result);
 
-  ret[1] = napi_create_function(env,
-                                NULL,
-                                NAPI_AUTO_LENGTH,
-                                TestCreateFunctionParameters,
-                                NULL,
-                                &result);
-
-  ret[2] = napi_create_function(env,
-                                "TrackedFunction",
-                                NAPI_AUTO_LENGTH,
-                                NULL,
-                                NULL,
-                                &result);
-
-  ret[3] = napi_create_function(env,
-                                "TrackedFunction",
-                                NAPI_AUTO_LENGTH,
-                                TestCreateFunctionParameters,
-                                NULL,
-                                NULL);
-
-  NAPI_CALL(env, napi_create_object(env, &return_value));
-
-  NAPI_CALL(env, napi_create_string_utf8(env,
-                                         (ret[0] == napi_invalid_arg ?
-                                             "pass" : "fail"),
-                                         NAPI_AUTO_LENGTH,
-                                         &prop_value));
-  NAPI_CALL(env, napi_set_named_property(env,
-                                         return_value,
-                                         "envIsNull",
-                                         prop_value));
-
-  NAPI_CALL(env, napi_create_string_utf8(env,
-                                         (ret[1] == napi_ok ?
-                                             "pass" : "fail"),
-                                         NAPI_AUTO_LENGTH,
-                                         &prop_value));
-  NAPI_CALL(env, napi_set_named_property(env,
-                                         return_value,
-                                         "nameIsNull",
-                                         prop_value));
-
-  NAPI_CALL(env, napi_create_string_utf8(env,
-                                         (ret[2] == napi_invalid_arg ?
-                                             "pass" : "fail"),
-                                         NAPI_AUTO_LENGTH,
-                                         &prop_value));
-  NAPI_CALL(env, napi_set_named_property(env,
-                                         return_value,
-                                         "cbIsNull",
-                                         prop_value));
-
-  NAPI_CALL(env, napi_create_string_utf8(env,
-                                         (ret[3] == napi_invalid_arg ?
-                                             "pass" : "fail"),
-                                         NAPI_AUTO_LENGTH,
-                                         &prop_value));
-  NAPI_CALL(env, napi_set_named_property(env,
-                                         return_value,
-                                         "resultIsNull",
-                                         prop_value));
+  add_returned_status(env,
+                      "envIsNull",
+                      return_value,
+                      "Invalid argument",
+                      napi_invalid_arg,
+                      status);
+
+  napi_create_function(env,
+                       NULL,
+                       NAPI_AUTO_LENGTH,
+                       TestCreateFunctionParameters,
+                       NULL,
+                       &result);
+
+  add_last_status(env, "nameIsNull", return_value);
+
+  napi_create_function(env,
+                       "TrackedFunction",
+                       NAPI_AUTO_LENGTH,
+                       NULL,
+                       NULL,
+                       &result);
+
+  add_last_status(env, "cbIsNull", return_value);
+
+  napi_create_function(env,
+                       "TrackedFunction",
+                       NAPI_AUTO_LENGTH,
+                       TestCreateFunctionParameters,
+                       NULL,
+                       NULL);
+
+  add_last_status(env, "resultIsNull", return_value);
 
   return return_value;
 }