extract method: do not double parameters

java/java-tests/testData/refactoring/extractMethod/ParametersFromAnonymous.java

@@ -0,0 +1,12 @@
+class Test {
+  void f() {
+    new Runnable() {
+      public void run() {
+        int j = 0;
+        if (j == 0 && <selection>j < 0 && j > 0</selection>) {
+          assert false;
+        }
+      }
+    };
+  }
+}

java/java-tests/testData/refactoring/extractMethod/ParametersFromAnonymous_after.java

@@ -0,0 +1,16 @@
+class Test {
+  void f() {
+    new Runnable() {
+      public void run() {
+        int j = 0;
+        if (j == 0 && newMethod(j)) {
+          assert false;
+        }
+      }
+    };
+  }
+
+    private boolean newMethod(int j) {
+        return j < 0 && j > 0;
+    }
+}

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

@@ -9,10 +9,13 @@ import com.intellij.openapi.projectRoots.impl.JavaSdkImpl;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiExpression;
 import com.intellij.psi.PsiFile;
+import com.intellij.psi.PsiType;
 import com.intellij.psi.codeStyle.CodeStyleSettings;
 import com.intellij.psi.codeStyle.CodeStyleSettingsManager;
 import com.intellij.refactoring.extractMethod.ExtractMethodProcessor;
 import com.intellij.refactoring.extractMethod.PrepareFailedException;
+import com.intellij.refactoring.introduceVariable.IntroduceVariableBase;
+import com.intellij.refactoring.util.RefactoringUtil;
 import com.intellij.refactoring.util.duplicates.Match;
 import com.intellij.testFramework.LightCodeInsightTestCase;
 import com.intellij.util.IncorrectOperationException;
@@ -448,6 +451,10 @@ public class ExtractMethodTest extends LightCodeInsightTestCase {
     doDuplicatesTest();
   }
 
+  public void testParametersFromAnonymous() throws Exception {
+    doTest();
+  }
+
   private void doPrepareErrorTest(final String expectedMessage) throws Exception {
     String expectedError = null;
     try {
@@ -503,6 +510,12 @@ public class ExtractMethodTest extends LightCodeInsightTestCase {
     else {
       elements = CodeInsightUtil.findStatementsInRange(file, startOffset, endOffset);
     }
+    if (elements.length == 0) {
+      final PsiExpression expression = IntroduceVariableBase.getSelectedExpression(project, file, startOffset, endOffset);
+      if (expression != null) {
+        elements = new PsiElement[]{expression};
+      }
+    }
     assertTrue(elements.length > 0);
 
     final ExtractMethodProcessor processor =