@Test
public void testCalculateIsotopesC10000() {

    IMolecularFormula molFor = MolecularFormulaManipulator.getMajorIsotopeMolecularFormula("C10000", builder);
    IsotopePatternGenerator isotopeGe = new IsotopePatternGenerator(.1);
    IsotopePattern isos = isotopeGe.getIsotopes(molFor);
    Assert.assertEquals(44, isos.getNumberOfIsotopes());
    for (int i = 0; i < isos.getNumberOfIsotopes(); i++)
        Assert.assertTrue(isos.getIsotope(i).getMass() > 120085);
}