@Test
public void testSortByMass_IsotopePattern() {

    IsotopePattern spExp = new IsotopePattern();
    spExp.addIsotope(new IsotopeContainer(157.07503, 0.0002));
    spExp.setMonoIsotope(new IsotopeContainer(156.07770, 2));
    spExp.addIsotope(new IsotopeContainer(158.08135, 0.004));
    spExp.addIsotope(new IsotopeContainer(157.08059, 0.0006));
    spExp.setCharge(1);
    IsotopePattern isoNorma = IsotopePatternManipulator.sortByMass(spExp);
    List<IsotopeContainer> listISO = isoNorma.getIsotopes();
    Assert.assertEquals(156.07770, isoNorma.getMonoIsotope().getMass(), 0.001);
    Assert.assertEquals(156.07770, listISO.get(0).getMass(), 0.00001);
    Assert.assertEquals(157.07503, listISO.get(1).getMass(), 0.00001);
    Assert.assertEquals(157.08059, listISO.get(2).getMass(), 0.00001);
    Assert.assertEquals(158.08135, listISO.get(3).getMass(), 0.00001);
    Assert.assertEquals(2, isoNorma.getMonoIsotope().getIntensity(), 0.001);
    Assert.assertEquals(2, listISO.get(0).getIntensity(), 0.001);
    Assert.assertEquals(0.0002, listISO.get(1).getIntensity(), 0.00001);
    Assert.assertEquals(0.0006, listISO.get(2).getIntensity(), 0.00001);
    Assert.assertEquals(0.004, listISO.get(3).getIntensity(), 0.00001);
    Assert.assertEquals(1, isoNorma.getCharge(), 0.001);
}