@Test
public void testSetDefaultRestrictions() {

    MassToFormulaTool mfTool = new MassToFormulaTool(builder);
    List<IRule> rules = mfTool.getRestrictions();
    Assert.assertNotNull(rules);
    Assert.assertEquals(3, rules.size());
    ElementRule elemR = (ElementRule) rules.get(0);
    Assert.assertEquals(1, elemR.getParameters().length);
    Object[] objects = elemR.getParameters();
    MolecularFormulaRange mfRange = (MolecularFormulaRange) objects[0];
    Assert.assertEquals(4, mfRange.getIsotopeCount());
    Assert.assertEquals(15, mfRange.getIsotopeCountMax(ifac.getMajorIsotope("C")));
    Assert.assertEquals(0, mfRange.getIsotopeCountMin(ifac.getMajorIsotope("C")));
    Assert.assertEquals(15, mfRange.getIsotopeCountMax(ifac.getMajorIsotope("H")));
    Assert.assertEquals(0, mfRange.getIsotopeCountMin(ifac.getMajorIsotope("H")));
    Assert.assertEquals(15, mfRange.getIsotopeCountMax(ifac.getMajorIsotope("N")));
    Assert.assertEquals(0, mfRange.getIsotopeCountMin(ifac.getMajorIsotope("N")));
    Assert.assertEquals(15, mfRange.getIsotopeCountMax(ifac.getMajorIsotope("O")));
    Assert.assertEquals(0, mfRange.getIsotopeCountMin(ifac.getMajorIsotope("O")));
    ChargeRule chargeR = (ChargeRule) rules.get(1);
    Assert.assertEquals(1, chargeR.getParameters().length);
    objects = chargeR.getParameters();
    double charge = (Double) objects[0];
    Assert.assertEquals(0.0, charge, 0.001);
    ToleranceRangeRule toleranceR = (ToleranceRangeRule) rules.get(2);
    Assert.assertEquals(2, toleranceR.getParameters().length);
    objects = toleranceR.getParameters();
    double mass = (Double) objects[0];
    Assert.assertEquals(0.0, mass, 0.001);
    double tolerance = (Double) objects[1];
    Assert.assertEquals(0.05, tolerance, 0.001);
}