[PropertyAccess] Add tests accessing public (dynamic) properties

PropertyAccessor.php

@@ -408,7 +408,7 @@ private function readProperty(array $zval, string $property, bool $ignoreInvalid
                 }
             } elseif (self::ACCESS_TYPE_PROPERTY === $access[self::ACCESS_TYPE]) {
                 $name = $access[self::ACCESS_NAME];
-                if (!method_exists($object, '__get') && !isset($object->$name) && !\array_key_exists($name, (array) $object) && (\PHP_VERSION_ID < 70400 || !(new \ReflectionProperty($class, $name))->hasType())) {
+                if ($access[self::ACCESS_REF] && !isset($object->$name) && !\array_key_exists($name, (array) $object) && (\PHP_VERSION_ID < 70400 || !(new \ReflectionProperty($class, $name))->hasType())) {
                     throw new AccessException(sprintf('The property "%s::$%s" is not initialized.', $class, $name));
                 }
 

Tests/Fixtures/TestPublicPropertyDynamicallyCreated.php

@@ -0,0 +1,21 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\PropertyAccess\Tests\Fixtures;
+
+#[\AllowDynamicProperties]
+class TestPublicPropertyDynamicallyCreated
+{
+    public function __construct(string $bar)
+    {
+        $this->foo = $bar;
+    }
+}

Tests/Fixtures/TestPublicPropertyGetterOnObject.php

@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\PropertyAccess\Tests\Fixtures;
+
+class TestPublicPropertyGetterOnObject
+{
+    public $a = 'A';
+    private $b = 'B';
+}

Tests/Fixtures/TestPublicPropertyGetterOnObjectMagicGet.php

@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\PropertyAccess\Tests\Fixtures;
+
+class TestPublicPropertyGetterOnObjectMagicGet
+{
+    public $a = 'A';
+    private $b = 'B';
+
+    public function __get($property)
+    {
+        if ('b' === $property) {
+            return $this->b;
+        }
+    }
+}

Tests/PropertyAccessorTest.php

@@ -29,6 +29,9 @@
 use Symfony\Component\PropertyAccess\Tests\Fixtures\TestClassMagicGet;
 use Symfony\Component\PropertyAccess\Tests\Fixtures\TestClassSetValue;
 use Symfony\Component\PropertyAccess\Tests\Fixtures\TestClassTypeErrorInsideCall;
+use Symfony\Component\PropertyAccess\Tests\Fixtures\TestPublicPropertyDynamicallyCreated;
+use Symfony\Component\PropertyAccess\Tests\Fixtures\TestPublicPropertyGetterOnObject;
+use Symfony\Component\PropertyAccess\Tests\Fixtures\TestPublicPropertyGetterOnObjectMagicGet;
 use Symfony\Component\PropertyAccess\Tests\Fixtures\TestSingularAndPluralProps;
 use Symfony\Component\PropertyAccess\Tests\Fixtures\Ticket5775Object;
 use Symfony\Component\PropertyAccess\Tests\Fixtures\TypeHinted;
@@ -849,4 +852,39 @@ public function testSetterNeedsPublicAccess()
         $object = new TestClassSetValue(0);
         $this->propertyAccessor->setValue($object, 'foo', 1);
     }
+
+    public function testGetPublicProperty()
+    {
+        $value = 'A';
+        $path = 'a';
+        $object = new TestPublicPropertyGetterOnObject();
+
+        $this->assertSame($value, $this->propertyAccessor->getValue($object, $path));
+    }
+
+    public function testGetPrivateProperty()
+    {
+        $object = new TestPublicPropertyGetterOnObject();
+
+        $this->expectException(NoSuchPropertyException::class);
+        $this->expectExceptionMessageMatches('/.*Neither the property "b" nor one of the methods/');
+        $this->propertyAccessor->getValue($object, 'b');
+    }
+
+    public function testGetDynamicPublicProperty()
+    {
+        $value = 'Bar';
+        $path = 'foo';
+        $object = new TestPublicPropertyDynamicallyCreated('Bar');
+
+        $this->assertSame($value, $this->propertyAccessor->getValue($object, $path));
+    }
+
+    public function testGetDynamicPublicPropertyWithMagicGetterAllow()
+    {
+        $value = 'B';
+        $path = 'b';
+        $object = new TestPublicPropertyGetterOnObjectMagicGet();
+        $this->assertSame($value, $this->propertyAccessor->getValue($object, $path));
+    }
 }