245307: test and fix: Aspected annotations cause ajdoc to generate ClassCastExceptions

tests/bugs153/Annotation/A.java

@@ -0,0 +1,7 @@
+package annotation;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Target;
+
+@Target(ElementType.TYPE)
+public @interface A { }

tests/bugs153/Annotation/Anno.aj

@@ -0,0 +1,5 @@
+import annotation.A;
+
+public aspect Anno {
+   declare @type: C : @A;
+}

tests/bugs153/Annotation/C.java

@@ -0,0 +1,3 @@
+// import
+public class C {
+}

tests/src/org/aspectj/systemtest/ajc153/Ajc153Tests.java

@@ -235,6 +235,18 @@ public class Ajc153Tests extends org.aspectj.testing.XMLBasedAjcTestCase {
 					" but found " + ipe.getSourceSignature(), 
 					expected, ipe.getSourceSignature());
   }
+  public void testAspected_Annotation(){
+	  runTest("ensure Annotations are added to import list");
+	  IHierarchy top = AsmManager.getDefault().getHierarchy();
+		
+	  IProgramElement ipe = top.findElementForLabel(top.getRoot(),		
+	  IProgramElement.Kind.IMPORT_REFERENCE,"annotation.A");
+	  String expected = "import annotation.A;";
+			assertEquals("expected source signature to be " + expected + 
+					" but found " + ipe.getSourceSignature(), 
+					expected, ipe.getSourceSignature());
+				
+  }
 
   public void testGetSourceSignature_GenericMethods(){
 	  runTest("ensure getSourceSignature correct with generic method");

tests/src/org/aspectj/systemtest/ajc153/ajc153.xml

@@ -849,4 +849,8 @@
     <ajc-test dir="bugs153/GenericMethod" title="ensure getSourceSignature correct with generic method">
       <compile files="C.java" options="-1.5 -emacssym"/>
     </ajc-test> 
+    
+    <ajc-test dir="bugs153/Annotation" title="ensure Annotations are added to import list">
+      <compile files="C.java, Anno.aj, A.java" options="-1.5 -emacssym"/>
+    </ajc-test> 
 </suite>