test subclass

Author: staabm

tests/PHPStan/Rules/Variables/UnsetRuleTest.php

@@ -96,23 +96,27 @@ public function testBug12421(): void
 		$this->analyse([__DIR__ . '/data/bug-12421.php'], [
 			[
 				'Cannot unset property y of readonly class Bug12421\NativeReadonlyClass.',
-				78,
+				11,
 			],
 			[
 				'Cannot unset readonly property y of Bug12421\NativeReadonlyProperty.',
-				82,
+				15,
 			],
 			[
 				'Cannot unset property y of immutable class Bug12421\PhpdocReadonlyClass.',
-				86,
+				19,
 			],
 			[
 				'Cannot unset @readonly property y of Bug12421\PhpdocReadonlyProperty.',
-				90,
+				23,
 			],
 			[
 				'Cannot unset property y of immutable class Bug12421\PhpdocImmutableClass.',
-				94,
+				27,
+			],
+			[
+				'Cannot unset readonly property y of Bug12421\NativeReadonlyPropertySubClass.',
+				34,
 			],
 		]);
 	}

tests/PHPStan/Rules/Variables/data/bug-12421.php

@@ -2,6 +2,39 @@
 
 namespace Bug12421;
 
+function doFoo() {
+	$x = new RegularProperty();
+	unset($x->y);
+	var_dump($x->y);
+
+	$x = new NativeReadonlyClass();
+	unset($x->y);
+	var_dump($x->y);
+
+	$x = new NativeReadonlyProperty();
+	unset($x->y);
+	var_dump($x->y);
+
+	$x = new PhpdocReadonlyClass();
+	unset($x->y);
+	var_dump($x->y);
+
+	$x = new PhpdocReadonlyProperty();
+	unset($x->y);
+	var_dump($x->y);
+
+	$x = new PhpdocImmutableClass();
+	unset($x->y);
+	var_dump($x->y);
+
+	$x = new \stdClass();
+	unset($x->y);
+
+	$x = new NativeReadonlyPropertySubClass();
+	unset($x->y);
+	var_dump($x->y);
+}
+
 readonly class NativeReadonlyClass
 {
 	public Y $y;
@@ -65,37 +98,11 @@ public function __construct()
 	}
 }
 
-class Y
+class NativeReadonlyPropertySubClass extends NativeReadonlyProperty
 {
 }
 
-function doFoo() {
-	$x = new RegularProperty();
-	unset($x->y);
-	var_dump($x->y);
-
-	$x = new NativeReadonlyClass();
-	unset($x->y);
-	var_dump($x->y);
-
-	$x = new NativeReadonlyProperty();
-	unset($x->y);
-	var_dump($x->y);
-
-	$x = new PhpdocReadonlyClass();
-	unset($x->y);
-	var_dump($x->y);
-
-	$x = new PhpdocReadonlyProperty();
-	unset($x->y);
-	var_dump($x->y);
-
-	$x = new PhpdocImmutableClass();
-	unset($x->y);
-	var_dump($x->y);
-
-	$x = new \stdClass();
-	unset($x->y);
-
+class Y
+{
 }