added test case for typed properties without default value, issue #32465

src/Symfony/Component/Config/Tests/Resource/ReflectionClassResourceTest.php

@@ -136,6 +136,24 @@ public function provideHashedSignature()
         yield [0, 15, ''];
     }
 
+    /**
+     * Typed properties without a default value are undefined,
+     * make sure this doesn't throw an error when generating a signature.
+     *
+     * @depends testHashedSignature
+     * @dataProvider provideTypedProperties
+     * @requires PHP >= 7.4
+     */
+    public function testTypedProperies($changeExpected, $changedLine, $changedCode) {
+        $this->testHashedSignature($changeExpected, $changedLine, $changedCode);
+    }
+
+    public function provideTypedProperties() {
+        yield [1, 5, 'public array $pub;'];
+        yield [0, 7, 'protected int $prot;'];
+        yield [0, 9, 'private string $priv;'];
+    }
+
     public function testEventSubscriber()
     {
         $res = new ReflectionClassResource(new \ReflectionClass(TestEventSubscriber::class));