Add test case for NoPackage and Annotation

Update release notes, fixes #1782, refs #1771

docs/pages/release_notes.md

@@ -30,6 +30,9 @@ Being based on a proper Antlr grammar, CPD can:
     assignment made within a constructor rather than on the field declaration. This makes it easier for developers to
     find the offending statements.
 
+*   The Java rule {% rule "java/codestyle/NoPackage" %} (`java-codestyle`) will now report additionally enums
+    and annotations that do not have a package declaration.
+
 ### Fixed Issues
 
 *   go
@@ -38,6 +41,8 @@ Being based on a proper Antlr grammar, CPD can:
     *   [#1729](https://github.com/pmd/pmd/issues/1729): \[java] JavaRuleViolation loses information in `className` field when class has package-private access level
 *   java-bestpractices
     *   [#1720](https://github.com/pmd/pmd/issues/1720): \[java] UnusedImports false positive for Javadoc link with array type
+*   java-codestyle
+    *   [#1782](https://github.com/pmd/pmd/issues/1782): \[java] NoPackage: False Negative for enums
 *   java-design
     *   [#1760](https://github.com/pmd/pmd/issues/1760): \[java] UseObjectForClearerAPI flags private methods
 

pmd-java/src/main/resources/category/java/codestyle.xml

@@ -1350,11 +1350,11 @@ public class Foo {
     <rule name="NoPackage"
           language="java"
           since="3.3"
-          message="All classes and interfaces must belong to a named package"
+          message="All classes, interfaces, enums and annotations must belong to a named package"
           class="net.sourceforge.pmd.lang.rule.XPathRule"
           externalInfoUrl="${pmd.website.baseurl}/pmd_rules_java_codestyle.html#nopackage">
         <description>
-Detects when a class or interface does not have a package definition.
+Detects when a class, interface, enum or annotation does not have a package definition.
         </description>
         <priority>3</priority>
         <properties>

pmd-java/src/test/resources/net/sourceforge/pmd/lang/java/rule/codestyle/xml/NoPackage.xml

@@ -4,9 +4,7 @@
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://pmd.sourceforge.net/rule-tests http://pmd.sourceforge.net/rule-tests_1_0_0.xsd">
     <test-code>
-        <description><![CDATA[
-bad
-     ]]></description>
+        <description>bad</description>
         <expected-problems>1</expected-problems>
         <code><![CDATA[
 public class Foo {
@@ -14,9 +12,7 @@ public class Foo {
      ]]></code>
     </test-code>
     <test-code>
-        <description><![CDATA[
-good
-     ]]></description>
+        <description>good</description>
         <expected-problems>0</expected-problems>
         <code><![CDATA[
 package foo;
@@ -25,9 +21,7 @@ public class Foo {
      ]]></code>
     </test-code>
     <test-code>
-        <description><![CDATA[
-nested package
-     ]]></description>
+        <description>nested package</description>
         <expected-problems>0</expected-problems>
         <code><![CDATA[
 package foo.bar;
@@ -35,10 +29,8 @@ public class Foo {
 }
      ]]></code>
     </test-code>
-        <test-code>
-        <description><![CDATA[
-no package in top-level enum
-     ]]></description>
+      <test-code>
+        <description>#1782 no package in top-level enum</description>
         <expected-problems>1</expected-problems>
         <code><![CDATA[
 public enum Foo {
@@ -46,4 +38,11 @@ public enum Foo {
 }
      ]]></code>
     </test-code>
+    <test-code>
+        <description>#1782 no package with annotation</description>
+        <expected-problems>1</expected-problems>
+        <code><![CDATA[
+public @interface MyAnnotation {}
+        ]]></code>
+    </test-code>
 </test-data>