code: /** 
   * Note: beside locale is optional it must be set in unit testing, otherwise the test might fail in a different machine.
   * @throws IOException
   */
  @Test public void formatCurrency_es_AR() throws IOException {
    assertEquals("$34",handlebars.compile("{{formatCurrency this locale=\"es_AR\"}}").apply(34));
    assertEquals("$1.000",handlebars.compile("{{formatCurrency this locale=\"es_AR\"}}").apply(1000));
    assertEquals("$12,50",handlebars.compile("{{formatCurrency this locale=\"es_AR\"}}").apply(12.5));
  }
  