fix exception on select word when code block has no children (EA-64075 - AIOOBE: CodeBlockOrInitializerSelectioner.findClosingBrace)

java/java-impl/src/com/intellij/codeInsight/editorActions/wordSelection/CodeBlockOrInitializerSelectioner.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2009 JetBrains s.r.o.
+ * Copyright 2000-2015 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.
@@ -31,14 +31,14 @@ public class CodeBlockOrInitializerSelectioner extends BasicSelectioner {
   @Override
   public List<TextRange> select(PsiElement e, CharSequence editorText, int cursorOffset, Editor editor) {
     List<TextRange> result = new ArrayList<TextRange>();
+    result.add(e.getTextRange());
 
     PsiElement[] children = e.getChildren();
-
-    int start = findOpeningBrace(children);
-    int end = findClosingBrace(children, start);
-
-    result.add(e.getTextRange());
-    result.addAll(expandToWholeLine(editorText, new TextRange(start, end)));
+    if (children.length > 0) {
+      int start = findOpeningBrace(children);
+      int end = findClosingBrace(children, start);
+      result.addAll(expandToWholeLine(editorText, new TextRange(start, end)));
+    }
 
     return result;
   }