@Test
public void testToXdrAmount() {

    assertEquals(0L, Operation.toXdrAmount("0"));
    assertEquals(1L, Operation.toXdrAmount("0.00001"));
    assertEquals(10000000L, Operation.toXdrAmount("100"));
    assertEquals(11234567L, Operation.toXdrAmount("112.34567"));
    assertEquals(729912843007381L, Operation.toXdrAmount("7299128430.07381"));
    assertEquals(729912843007381L, Operation.toXdrAmount("7299128430.073810"));
    assertEquals(1014016711446800155L, Operation.toXdrAmount("10140167114468.00155"));
    assertEquals(9223372036854775807L, Operation.toXdrAmount("92233720368547.75807"));
    try {
        Operation.toXdrAmount("0.000001");
        fail();
    } catch (ArithmeticException e) {
    } catch (Exception e) {
        fail();
    }
    try {
        Operation.toXdrAmount("7299128430.073811");
        fail();
    } catch (ArithmeticException e) {
    } catch (Exception e) {
        fail();
    }
}