diff --git a/tests/Utils/SmartObject.undeclaredMethod.native.phpt b/tests/Utils/SmartObject.undeclaredMethod.native.phpt
new file mode 100644
index 000000000..d5d62e120
--- /dev/null
+++ b/tests/Utils/SmartObject.undeclaredMethod.native.phpt
@@ -0,0 +1,149 @@
+<?php
+
+/**
+ * Test: PHP native error messages for undeclared method.
+ */
+
+declare(strict_types=1);
+
+use Tester\Assert;
+
+require __DIR__ . '/../bootstrap.php';
+
+
+class ParentClass
+{
+	public function callPrivate()
+	{
+		$this->privateMethod();
+	}
+
+
+	public function callPrivateStatic()
+	{
+		static::privateStaticMethod();
+	}
+
+
+	private function callPrivateParent()
+	{
+	}
+}
+
+
+class InterClass extends ParentClass
+{
+	public function callParents()
+	{
+		parent::callParents();
+	}
+}
+
+
+class ChildClass extends InterClass
+{
+	public function callParents()
+	{
+		parent::callParents();
+	}
+
+
+	public function callMissingParent()
+	{
+		parent::callMissingParent();
+	}
+
+
+	public static function callMissingParentStatic()
+	{
+		parent::callMissingParentStatic();
+	}
+
+
+	public function callPrivateParent()
+	{
+		parent::callPrivateParent();
+	}
+
+
+	protected function protectedMethod()
+	{
+	}
+
+
+	protected static function protectedStaticMethod()
+	{
+	}
+
+
+	private function privateMethod()
+	{
+	}
+
+
+	private static function privateStaticMethod()
+	{
+	}
+}
+
+
+
+Assert::exception(function () {
+	$obj = new ParentClass;
+	$obj->undef();
+}, Error::class, 'Call to undefined method ParentClass::undef()');
+
+Assert::exception(function () {
+	$obj = new ChildClass;
+	$obj->undef();
+}, Error::class, 'Call to undefined method ChildClass::undef()');
+
+Assert::exception(function () {
+	$obj = new ChildClass;
+	$obj->callParents();
+}, Error::class, 'Call to undefined method ParentClass::callParents()');
+
+Assert::exception(function () {
+	$obj = new ChildClass;
+	$obj->callMissingParent();
+}, Error::class, 'Call to undefined method InterClass::callMissingParent()');
+
+Assert::exception(function () {
+	$obj = new ChildClass;
+	$obj->callMissingParentStatic();
+}, Error::class, 'Call to undefined method InterClass::callMissingParentStatic()');
+
+Assert::exception(function () {
+	$obj = new ChildClass;
+	$obj::callMissingParentStatic();
+}, Error::class, 'Call to undefined method InterClass::callMissingParentStatic()');
+
+Assert::exception(function () {
+	$obj = new ChildClass;
+	$obj->callPrivateParent();
+}, Error::class, 'Call to private method ParentClass::callPrivateParent() from scope ChildClass');
+
+Assert::exception(function () {
+	$obj = new ChildClass;
+	$obj->protectedMethod();
+}, Error::class, 'Call to protected method ChildClass::protectedMethod() from global scope');
+
+Assert::exception(function () {
+	$obj = new ChildClass;
+	$obj->protectedStaticMethod();
+}, Error::class, 'Call to protected method ChildClass::protectedStaticMethod() from global scope');
+
+Assert::exception(function () {
+	$obj = new ChildClass;
+	$obj::protectedStaticMethod();
+}, Error::class, 'Call to protected method ChildClass::protectedStaticMethod() from global scope');
+
+Assert::exception(function () {
+	$obj = new ChildClass;
+	$obj->callPrivate();
+}, Error::class, 'Call to private method ChildClass::privateMethod() from scope ParentClass');
+
+Assert::exception(function () {
+	$obj = new ChildClass;
+	$obj->callPrivateStatic();
+}, Error::class, 'Call to private method ChildClass::privateStaticMethod() from scope ParentClass');