Verify enums and enum cases can be annotated

However, since XP core reflection does not support constant annotations,
we cannot access case annotations. This will be covered by the reflection
library!

Author: thekid

src/test/php/lang/ast/unittest/emit/EnumTest.class.php

@@ -193,6 +193,18 @@ public function close() { }
     Assert::true($t->isSubclassOf('lang.Closeable'));
   }
 
+  #[Test]
+  public function enum_annotations() {
+    $t= $this->type('#[Test] enum <T> { }');
+    Assert::equals(['test' => null], $t->getAnnotations());
+  }
+
+  #[Test, Ignore('XP core reflection does not support constant annotations')]
+  public function enum_member_annotations() {
+    $t= $this->type('enum <T> { #[Test] case ONE; }');
+    Assert::equals(['test' => null], $t->getConstant('ONE')->getAnnotations());
+  }
+
   #[Test]
   public function enum_values() {
     $t= $this->type('enum <T> {