treat enum constructors as private (IDEA-118133)

java/java-analysis-impl/src/com/intellij/codeInspection/reference/RefJavaUtilImpl.java

@@ -281,6 +281,9 @@ public class RefJavaUtilImpl extends RefJavaUtil{
          if (ownerClass.isInterface()) {
            result = PsiModifier.PUBLIC;
          }
+         if (ownerClass.isEnum() && result.equals(PsiModifier.PACKAGE_LOCAL)) {
+           result = PsiModifier.PRIVATE;
+         }
        }
      }
 

java/java-tests/testData/inspection/javaDocInspection/enumConstructor/expected.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<problems>  
+</problems>
+

java/java-tests/testData/inspection/javaDocInspection/enumConstructor/src/Foo.java

@@ -0,0 +1,6 @@
+public enum Foo {
+  ;
+
+  Foo() {
+  }
+}

java/java-tests/testSrc/com/intellij/codeInspection/JavaDocInspectionTest.java

@@ -59,6 +59,12 @@ public class JavaDocInspectionTest extends InspectionTestCase {
     doTest();
   }
 
+  public void testEnumConstructor() throws Exception {
+    final JavaDocLocalInspection localInspection = new JavaDocLocalInspection();
+    localInspection.METHOD_OPTIONS.ACCESS_JAVADOC_REQUIRED_FOR = "package";
+    doTest("javaDocInspection/" + getTestName(true), localInspection);
+  }
+
   public void testIgnoreDuplicateThrows() throws Exception {
     final JavaDocLocalInspection inspection = new JavaDocLocalInspection();
     inspection.IGNORE_DUPLICATED_THROWS = true;