@Test
  public void notInt() {
    value.setString("FOO");

    exception.expect(FIXValueFormatException.class);

    value.asInt();
  }
  @Test
  public void asZeroInt() throws FIXValueOverflowException {
    get("0\u0001");

    assertEquals(0, value.asInt());
  }
  @Test
  public void asNegativeInt() throws FIXValueOverflowException {
    get("-123\u0001");

    assertEquals(-123, value.asInt());
  }