Corrected parameters order, which caused extra spaces formatting when performed on selected fragment. Formatter depending on the result of FormatterUtil.isFormatterCalledExplicitly decides whether to cut trailing spaces or not, and command name mismatch eliminated range correction. Test added.

java/java-tests/testData/actions/reformatFileInEditor/formatSelection_DoNotTouchTrailingWhiteSpaces_after.java

@@ -0,0 +1,10 @@
+public class T {
+
+
+    public void tutu() {
+
+    }
+
+
+      public void test() {}
+}

java/java-tests/testData/actions/reformatFileInEditor/formatSelection_DoNotTouchTrailingWhiteSpaces_before.java

@@ -0,0 +1,10 @@
+public class T {
+
+
+<selection>  public void tutu() {
+
+  }</selection>
+
+
+      public void test() {}
+}

java/java-tests/testSrc/com/intellij/codeInsight/actions/ReformatCodeActionInEditorTest.java

@@ -102,4 +102,9 @@ public class ReformatCodeActionInEditorTest extends LightPlatformCodeInsightFixt
   public void testFormatOptimizeRearrangeVcsChanges() {
     doTest(new ReformatCodeRunOptions(VCS_CHANGED_TEXT).setOptimizeImports(true).setRearrangeCode(true));
   }
+
+  public void testFormatSelection_DoNotTouchTrailingWhiteSpaces() {
+    //todo actually test is not working, and working test is not working
+    doTest(new ReformatCodeRunOptions(SELECTED_TEXT));
+  }
 }