test readonly class

Author: staabm

tests/PHPStan/Analyser/nsrt/remember-readonly-constructor-narrowed.php

@@ -1,10 +1,10 @@
-<?php // lint >= 8.1
+<?php // lint >= 8.2
 
 namespace RememberReadOnlyConstructor;
 
 use function PHPStan\Testing\assertType;
 
-class HelloWorldReadonly {
+class HelloWorldReadonlyProperty {
 	private readonly int $i;
 
 	public function __construct()
@@ -21,6 +21,23 @@ public function doFoo() {
 	}
 }
 
+readonly class HelloWorldReadonlyClass {
+	private int $i;
+
+	public function __construct()
+	{
+		if (rand(0,1)) {
+			$this->i = 4;
+		} else {
+			$this->i = 10;
+		}
+	}
+
+	public function doFoo() {
+		assertType('4|10', $this->i);
+	}
+}
+
 
 class HelloWorldRegular {
 	private int $i;