introduce functional parameter: do not fold as functional interface creation would be in the place where local vars are not available

java/java-tests/testData/refactoring/introduceFunctionalParameter/afterEnsureNotFolded.java

@@ -0,0 +1,27 @@
+import java.util.function.Function;
+
+class Test {
+
+  {
+      final int[] equals = new int[0];
+      performTest(new Function<String[],String[]>() {
+          public String[] apply(String[] fields) {
+              System.out.println();
+              return getIndexed(fields, equals);
+          }
+      });
+  }
+
+  private static void performTest(Function<String[], String[]> anObject) {
+      String[] fields = new String[0];
+
+      final String[] indexed = anObject.apply(fields);
+
+      System.out.println(indexed);
+  }
+
+  private static String[] getIndexed(String[] fields, int[] indices) {
+    return new String[indices.length];
+  }
+
+}

java/java-tests/testData/refactoring/introduceFunctionalParameter/beforeEnsureNotFolded.java

@@ -0,0 +1,20 @@
+class Test {
+
+  {
+    performTest(new int[0]);
+  }
+
+  private static void performTest(int[] equals) {
+    String[] fields = new String[0];
+
+    <selection>System.out.println();
+    final String[] indexed = getIndexed(fields, equals);</selection>
+
+    System.out.println(indexed);
+  }
+
+  private static String[] getIndexed(String[] fields, int[] indices) {
+    return new String[indices.length];
+  }
+
+}

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

@@ -53,6 +53,10 @@ public class IntroduceFunctionalParameterTest extends LightRefactoringTestCase
     doTest();
   }
 
+  public void testEnsureNotFolded() throws Exception {
+    doTest();
+  }
+
   @NotNull
   @Override
   protected String getTestDataPath() {