introduce vararg variable from the selected enumeration (IDEA-82508)

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

@@ -408,7 +408,7 @@ public abstract class IntroduceVariableBase extends IntroduceHandlerBase {
                                                                                              args, PsiSubstitutor.EMPTY, parent,
                                                                                              DefaultParameterTypeInferencePolicy.INSTANCE);
 
-      if (startOffset < args[parameters.length - 1].getTextOffset()) return null;
+      if (startOffset < args[parameters.length - 1].getTextRange().getStartOffset()) return null;
 
       final PsiFile containingFile = parent.getContainingFile();
 

java/java-tests/testData/refactoring/introduceVariable/EnumArrayFromVarargs.after.java

@@ -0,0 +1,13 @@
+class Test {
+  void foo(E... e) {
+  }
+
+  void bar() {
+      E[] strs = {E.E1, E.E2};
+      foo(strs);
+  }
+}
+
+static enum E {
+  E1, E2;
+}

java/java-tests/testData/refactoring/introduceVariable/EnumArrayFromVarargs.java

@@ -0,0 +1,12 @@
+class Test {
+  void foo(E... e) {
+  }
+
+  void bar() {
+    foo(<selection>E.E1, E.E2</selection>);
+  }
+}
+
+static enum E {
+  E1, E2;
+}

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

@@ -202,6 +202,10 @@ public class IntroduceVariableTest extends LightCodeInsightTestCase {
   public void testArrayFromVarargs1() throws Exception {
     doTest(new MockIntroduceVariableHandler("strs", false, false, false, "java.lang.String[]"));
   }
+  
+  public void testEnumArrayFromVarargs() throws Exception {
+    doTest(new MockIntroduceVariableHandler("strs", false, false, false, "E[]"));
+  }
 
   public void testFromFinalFieldOnAssignment() throws Exception {
     doTest(new MockIntroduceVariableHandler("strs", false, false, false, "java.lang.String"));