introduce functional parameter: exclude only selection range from used parameters check as for functional interfaces the whole code block is treated as selection's parent (IDEA-154299)

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

@@ -0,0 +1,38 @@
+import java.util.function.BooleanSupplier;
+
+class A2 {
+  void method(MyObject obj, BooleanSupplier anObject) {
+      obj.method1();
+      if (anObject.getAsBoolean()) {
+          doOtherStaff();
+      }
+      obj.method2();
+  }
+
+  {
+      final MyObject obj = new MyObject();
+      method(obj, new BooleanSupplier() {
+          public boolean getAsBoolean() {
+              return obj.isCondition1();
+          }
+      });
+  }
+
+  private void doOtherStaff() {
+
+  }
+
+  private class MyObject {
+    public void method1() {
+
+    }
+
+    public boolean isCondition1() {
+      return true;
+    }
+
+    public void method2() {
+
+    }
+  }
+}

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

@@ -0,0 +1,32 @@
+
+class A2 {
+  void method(MyObject obj) {
+    obj.method1();
+    if (<selection>obj.isCondition1()</selection>) {
+      doOtherStaff();
+    }
+    obj.method2();
+  }
+
+  {
+    method(new MyObject());
+  }
+
+  private void doOtherStaff() {
+
+  }
+
+  private class MyObject {
+    public void method1() {
+
+    }
+
+    public boolean isCondition1() {
+      return true;
+    }
+
+    public void method2() {
+
+    }
+  }
+}

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

@@ -70,6 +70,10 @@ public class IntroduceFunctionalParameterTest extends LightRefactoringTestCase
     doTest();
   }
 
+  public void testUsedParametersOutsideSelectedFragment() throws Exception {
+    doTest();
+  }
+
   @NotNull
   @Override
   protected String getTestDataPath() {