@Test
public void testParseAndPrintVersionEs() throws Exception {

  final String program = "#\tversion 320 es\nvoid main() { }\n";
  final String expected = "#version 320 es\nvoid main()\n{\n}\n";
  assertEquals(expected, PrettyPrinterVisitor.prettyPrintAsString(ParseHelper.parse(program
  )));
}