sqlite: set name and length on sqlite.backup()

Author: LiviaMedeiros

src/node_sqlite.cc

@@ -2686,9 +2686,13 @@ static void Initialize(Local<Object> target,
 
   Local<Function> backup_function;
 
-  if (!Function::New(context, Backup).ToLocal(&backup_function)) {
+  if (!Function::New(context,
+                     Backup,
+                     Local<Value>(),
+                     2).ToLocal(&backup_function)) {
     return;
   }
+  backup_function->SetName(FIXED_ONE_BYTE_STRING(isolate, "backup"));
 
   target->Set(context, env->backup_string(), backup_function).Check();
 }

test/parallel/test-sqlite-backup.mjs

@@ -307,3 +307,8 @@ test('backup fails when path cannot be opened', async (t) => {
     message: 'unable to open database file'
   });
 });
+
+test('backup has correct name and length', (t) => {
+  t.assert.strictEqual(backup.name, 'backup');
+  t.assert.strictEqual(backup.length, 2);
+});