IDEA-85100 Deleting wrapped lines with Ctrl+Y doen't work properly with "soft wrapped" lines

Correct processing for the empty document

java/java-tests/testSrc/com/intellij/codeInsight/DuplicateActionTest.groovy

@@ -1,3 +1,18 @@
+/*
+ * Copyright 2000-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package com.intellij.codeInsight;
 
 
@@ -14,7 +29,7 @@ xxx<caret>
   }
 
   public void testEmpty() {
-    doTest '<caret>', "txt", '\n<caret>'
+    doTest '<caret>', "txt", '<caret>'
   }
 
   private void doTest(String before, @NonNls String ext, String after) {