EA-228757 - IOE: PsiElementFactoryImpl.createVariableDeclarationStatement

GitOrigin-RevId: 0bbefa07fde8fb4dd234aa221c4a360ae9d9b829

java/java-impl/src/com/intellij/refactoring/introduceVariable/IntroduceVariableBase.java

@@ -1055,7 +1055,7 @@ public abstract class IntroduceVariableBase extends IntroduceHandlerBase {
                                                final JavaReplaceChoice replaceChoice) {
     final boolean replaceAll = replaceChoice.isAll();
     final SuggestedNameInfo suggestedName = getSuggestedName(typeSelectorManager.getDefaultType(), expr, anchor);
-    final String variableName = suggestedName.names.length > 0 ? suggestedName.names[0] : "";
+    final String variableName = suggestedName.names.length > 0 ? suggestedName.names[0] : "v";
     final boolean declareFinal = replaceAll && declareFinalIfAll || !anyAssignmentLHS && createFinals(anchor.getContainingFile()) ||
                                  anchor instanceof PsiSwitchLabelStatementBase;
     final boolean declareVarType = canBeExtractedWithoutExplicitType(expr) && createVarType() && !replaceChoice.isChain();

java/java-tests/testData/refactoring/inplaceIntroduceVariable/noNameSuggested.java

@@ -0,0 +1,5 @@
+class _ {
+    {
+      new<caret> _();
+    }
+}

java/java-tests/testData/refactoring/inplaceIntroduceVariable/noNameSuggested_after.java

@@ -0,0 +1,5 @@
+class _ {
+    {
+        _ xyz = new _();
+    }
+}

java/java-tests/testSrc/com/intellij/java/refactoring/InplaceIntroduceVariableTest.java

@@ -73,6 +73,10 @@ public class InplaceIntroduceVariableTest extends AbstractJavaInplaceIntroduceTe
      type("expr");
    });
   }
+  
+  public void testNoNameSuggested() {
+    doTest(introducer -> type("xyz"));
+  }
 
   public void testPlaceInsideLoopAndRename() {
     doTest(introducer -> type("expr"));