public void testBigIntegerWithZeroValue() {
    final ParserContext parserContext = new ParserContext();
    parserContext.setStrictTypeEnforcement(true);
    parserContext.setStrongTyping(true);
    parserContext.addInput("a", BigInteger.class);
    Serializable expression = MVEL.compileExpression("a == 0I", parserContext);
    boolean result = (Boolean) MVEL.executeExpression(expression, new HashMap() {{
      put("a", new BigInteger("0"));
    }});
    assertTrue(result);
  }