test: propagate napi_status to JS - third answer

Author: Octavian Soldea

src/js_native_api_v8.cc

@@ -684,14 +684,16 @@ napi_status napi_get_last_error_info(napi_env env,
   CHECK_ENV(env);
   CHECK_ARG(env, result);
 
-  // you must update this assert to reference the last message
-  // in the napi_status enum each time a new error message is added.
+  // The value of the constant below must be updated to reference the last
+  // message in the napi_status enum each time a new error message is added.
   // We don't have a napi_status_last as this would result in an ABI
   // change each time a message was added.
+  const int last_status = napi_date_expected;
+
   static_assert(
-      NAPI_ARRAYSIZE(error_messages) == napi_date_expected + 1,
+      NAPI_ARRAYSIZE(error_messages) == last_status + 1,
       "Count of error messages must match count of error values");
-  CHECK_LE(env->last_error.error_code, napi_callback_scope_mismatch);
+  CHECK_LE(env->last_error.error_code, last_status);
 
   // Wait until someone requests the last error information to fetch the error
   // message string

test/js-native-api/test_constructor/test.js

@@ -53,7 +53,7 @@ assert.strictEqual(test_object.staticReadonlyAccessor1, undefined);
 // Verify that passing NULL to napi_define_class() results in the correct
 // error.
 assert.deepStrictEqual(TestConstructor.TestDefineClass(), {
-  envIsNull: 'napi_ok',
+  envIsNull: 'napi_env_null_is_ok',
   nameIsNull: 'Invalid argument',
   cbIsNull: 'Invalid argument',
   cbDataIsNull: 'napi_ok',

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

@@ -8,22 +8,25 @@ static void add_named_property(napi_env env, const char* key, napi_value return_
   const napi_extended_error_info* p_last_error;
   NAPI_CALL_RETURN_VOID(env, napi_get_last_error_info(env, &p_last_error));
 
-  NAPI_CALL(env, napi_create_string_utf8(env,
-                                         (p_last_error->error_message == NULL ?
-                                           "napi_ok" :
-                                           p_last_error->error_message),
-                                         NAPI_AUTO_LENGTH,
-                                         &prop_value));
-  NAPI_CALL(env, napi_set_named_property(env,
-                                         return_value,
-                                         key,
-                                         prop_value));
+  NAPI_CALL_RETURN_VOID(env,
+      napi_create_string_utf8(env,
+                              (p_last_error->error_message == NULL ?
+                                  "napi_ok" :
+                                  p_last_error->error_message),
+                              NAPI_AUTO_LENGTH,
+                              &prop_value));
+  NAPI_CALL_RETURN_VOID(env, napi_set_named_property(env,
+                                                     return_value,
+                                                     key,
+                                                     prop_value));
 }
 
 static napi_value TestDefineClass(napi_env env,
                                   napi_callback_info info) {
 
+  napi_value prop_value;
   napi_value result, return_value;
+  napi_status status;
 
   napi_property_descriptor property_descriptor = {
     "TestDefineClass",
@@ -37,18 +40,26 @@ static napi_value TestDefineClass(napi_env env,
 
   NAPI_CALL(env, napi_create_object(env, &return_value));
 
-  napi_define_class(NULL,
-                    "TrackedFunction",
-                    NAPI_AUTO_LENGTH,
-                    TestDefineClass,
-                    NULL,
-                    1,
-                    &property_descriptor,
-                    &result);
-
-  add_named_property(env, "envIsNull", return_value);
-
-  napi_define_class(env,
+  status = napi_define_class(NULL,
+                             "TrackedFunction",
+                             NAPI_AUTO_LENGTH,
+                             TestDefineClass,
+                             NULL,
+                             1,
+                             &property_descriptor,
+                             &result);
+
+  NAPI_CALL_RETURN_VOID(env,
+      napi_create_string_utf8(env,
+                              "napi_env_null_is_ok",
+                              NAPI_AUTO_LENGTH,
+                              &prop_value));
+  NAPI_CALL_RETURN_VOID(env, napi_set_named_property(env,
+                                                     return_value,
+                                                     "envIsNull",
+                                                     prop_value));
+
+   napi_define_class(env,
                     NULL,
                     NAPI_AUTO_LENGTH,
                     TestDefineClass,