public void testStringConcatenation2() {
    String ex = "services.log( $cheese + \" some string \" );";
    ParserContext ctx = new ParserContext();
    ctx.setStrongTyping(true);
    ctx.addInput("$cheese",
        Cheese.class);
    ctx.addInput("services",
        Services.class);
    try {
      ExpressionCompiler compiler = new ExpressionCompiler(ex, ctx);
      compiler.compile();
    }
    catch (Throwable e) {
      e.printStackTrace();
      fail("Should not raise exception: " + e.getMessage());
    }
  }