duplicate action: preserve caret position when it's already inside element's name

java/java-tests/testSrc/com/intellij/codeInsight/DuplicateActionTest.groovy

@@ -35,7 +35,6 @@ xxx<caret>
   private void doTest(String before, @NonNls String ext, String after) {
     myFixture.configureByText("a." + ext, before);
     myFixture.performEditorAction(IdeActions.ACTION_EDITOR_DUPLICATE)
-    println "/" + myFixture.editor.document.text.substring(myFixture.editor.caretModel.offset) + "/"
     myFixture.checkResult(after);
   }
 
@@ -52,6 +51,19 @@ class C {
 '''
   }
 
+  public void "test preserve caret position when it's already inside element's name"() {
+    doTest '''
+class C {
+  void fo<caret>o() {}
+}
+''', 'java', '''
+class C {
+  void foo() {}
+  void fo<caret>o() {}
+}
+'''
+  }
+
   public void testXmlTag() {
     doTest '''
 <root>

platform/lang-impl/src/com/intellij/openapi/editor/actions/NamedElementDuplicateHandler.java

@@ -51,7 +51,7 @@ public class NamedElementDuplicateHandler extends EditorWriteActionHandler {
         TextRange toDuplicate = new TextRange(editor.logicalPositionToOffset(lines.first), editor.logicalPositionToOffset(lines.second));
 
         PsiElement name = findNameIdentifier(editor, file, toDuplicate);
-        if (name != null) {
+        if (name != null && !name.getTextRange().containsOffset(editor.getCaretModel().getOffset())) {
           editor.getCaretModel().moveToOffset(name.getTextOffset());
         }
       }