Added tests that ClassAttributesRule supports enums as well

Author: kukulich

tests/PHPStan/Rules/Classes/ClassAttributesRuleTest.php

@@ -97,4 +97,18 @@ public function testRule(): void
 		]);
 	}
 
+	public function testRuleForEnums(): void
+	{
+		if (!self::$useStaticReflectionProvider && PHP_VERSION_ID < 80100) {
+			$this->markTestSkipped('Test requires PHP 8.1.');
+		}
+
+		$this->analyse([__DIR__ . '/data/enum-attributes.php'], [
+			[
+				'Attribute class EnumAttributes\AttributeWithPropertyTarget does not have the class target.',
+				23,
+			],
+		]);
+	}
+
 }

tests/PHPStan/Rules/Classes/data/enum-attributes.php

@@ -0,0 +1,27 @@
+<?php // lint >= 8.1
+
+namespace EnumAttributes;
+
+#[\Attribute]
+class AttributeWithoutSpecificTarget
+{
+
+}
+
+#[\Attribute(\Attribute::TARGET_PROPERTY)]
+class AttributeWithPropertyTarget
+{
+
+}
+
+#[AttributeWithoutSpecificTarget]
+enum EnumWithValidClassAttribute
+{
+
+}
+
+#[AttributeWithPropertyTarget]
+enum EnumWithInvalidClassAttribute
+{
+
+}