private void TestAdductOperators()
{
// Test some underlying formula handling for fanciful user-supplied values
Assert.IsTrue(Molecule.AreEquivalentFormulas("C10H30Si5O5H-CH4", "C9H27O5Si5"));
Assert.AreEqual("C7H27O5Si4", BioMassCalc.MONOISOTOPIC.FindFormulaIntersection(new[] { "C8H30Si5O5H-CH4", "C9H27O5Si4", "C9H27O5Si5Na" }));
Assert.AreEqual("C7H27O5Si4", BioMassCalc.MONOISOTOPIC.FindFormulaIntersectionUnlabeled(new[] { "C7C'H30Si5O5H-CH4", "C9H27O5Si4", "C9H25H'2O5Si5Na" }));
// There is a difference between a proteomic adduct and non proteomic, primarily in how they display
Assert.AreEqual(Adduct.FromStringAssumeChargeOnly("M+H"), Adduct.M_PLUS_H);
Assert.AreEqual(Adduct.FromStringAssumeProtonatedNonProteomic("1"), Adduct.M_PLUS_H);
Assert.AreEqual(Adduct.FromStringAssumeChargeOnly("1"), Adduct.M_PLUS);
Assert.AreEqual(Adduct.FromStringAssumeProtonatedNonProteomic("M+H"), Adduct.M_PLUS_H);
Assert.AreEqual(Adduct.FromStringAssumeProtonated("1"), Adduct.SINGLY_PROTONATED);
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M+H"), Adduct.SINGLY_PROTONATED);
Assert.AreEqual(Adduct.FromStringAssumeChargeOnly("M+H").AsFormula(), Adduct.SINGLY_PROTONATED.AsFormula()); // But the underlying chemistry is the same
Assert.AreEqual(Adduct.FromStringAssumeProtonated("[M+S]+"), Adduct.FromStringAssumeProtonated("M+S").ChangeCharge(1));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M(-1.234)+2Na"), Adduct.FromStringAssumeProtonated("M(-1.234)+3Na").ChangeCharge(2));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M1.234+2Na"), Adduct.FromStringAssumeProtonated("M1.234+3Na").ChangeCharge(2));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M2Cl37-2Na"), Adduct.FromStringAssumeProtonated("M2Cl37+3Na").ChangeCharge(-2));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M1.234-2Na"), Adduct.FromStringAssumeProtonated("M1.234+3Na").ChangeCharge(-2));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M(-1.234)-2Na"), Adduct.FromStringAssumeProtonated("M(-1.234)+3Na").ChangeCharge(-2));
Assert.IsFalse(Adduct.M_PLUS_H.IsProteomic);
Assert.IsTrue(Adduct.M_PLUS_H.IsProtonated);
Assert.IsTrue(Adduct.SINGLY_PROTONATED.IsProteomic);
Assert.IsTrue(Adduct.SINGLY_PROTONATED.IsProtonated);
Assert.IsFalse(Adduct.SINGLY_PROTONATED.IsEmpty);
Assert.IsFalse(Adduct.EMPTY.IsProteomic);
Assert.IsTrue(Adduct.EMPTY.IsEmpty);
// Exercise the ability to work with masses and isotope labels
Assert.IsTrue(ReferenceEquals(Adduct.SINGLY_PROTONATED, Adduct.SINGLY_PROTONATED.Unlabeled));
var nolabel = Adduct.FromStringAssumeProtonated("M-2Na");
var label = Adduct.FromStringAssumeProtonated("M2Cl37-2Na");
Assert.AreEqual(nolabel, label.Unlabeled);
Assert.IsTrue(ReferenceEquals(nolabel, nolabel.Unlabeled));
Assert.IsFalse(nolabel.MassFromMz(300.0, MassType.Monoisotopic).IsHeavy());
Assert.IsFalse(label.MassFromMz(300.0, MassType.Monoisotopic).IsHeavy());
Assert.IsTrue(label.MassFromMz(300.0, MassType.MonoisotopicHeavy).IsHeavy());
Assert.IsTrue(label.MassFromMz(300.0, MassType.Monoisotopic).IsMonoIsotopic());
Assert.IsFalse(nolabel.MassFromMz(300.0, MassType.Average).IsHeavy());
Assert.IsFalse(label.MassFromMz(300.0, MassType.Average).IsHeavy());
Assert.IsTrue(label.MassFromMz(300.0, MassType.AverageHeavy).IsHeavy());
Assert.IsTrue(label.MassFromMz(300.0, MassType.Average).IsAverage());
var massHeavy = label.ApplyToMass(new TypedMass(300, MassType.MonoisotopicHeavy)); // Will not have isotope effect added in mz calc, as it's already heavy
var massLight = label.ApplyToMass(new TypedMass(300, MassType.Monoisotopic)); // Will have isotope effect added in mz calc
Assert.AreNotEqual(massHeavy, massLight);
Assert.AreNotEqual(label.MzFromNeutralMass(massHeavy), label.MzFromNeutralMass(massLight));
Assert.IsTrue(Adduct.PossibleAdductDescriptionStart("["));
Assert.IsTrue(Adduct.PossibleAdductDescriptionStart("M"));
Assert.IsTrue(Adduct.PossibleAdductDescriptionStart("[2M+CH3COO]"));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M+2CH3COO"), Adduct.FromStringAssumeProtonated("M+CH3COO").ChangeCharge(-2));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M-2CH3COO"), Adduct.FromStringAssumeProtonated("M+CH3COO").ChangeCharge(2));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M-2Na"), Adduct.FromStringAssumeProtonated("M+Na").ChangeCharge(-2));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M+Na"), Adduct.FromStringAssumeProtonated("M+Na").ChangeCharge(1));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M+2Na"), Adduct.FromStringAssumeProtonated("M+Na").ChangeCharge(2));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M+2Na"), Adduct.FromStringAssumeProtonated("M+3Na").ChangeCharge(2));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M2Cl37+2Na"), Adduct.FromStringAssumeProtonated("M2Cl37+3Na").ChangeCharge(2));
AssertEx.ThrowsException <InvalidOperationException>(() => Adduct.FromStringAssumeProtonated("M+2Na-H").ChangeCharge(2)); // Too complex to adjust formula
AssertEx.ThrowsException <InvalidOperationException>(() => Adduct.FromStringAssumeProtonatedNonProteomic("[M2")); // Seen in the wild, wasn't handled well
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M++++").AdductCharge, Adduct.FromChargeNoMass(4).AdductCharge);
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M+4"), Adduct.FromChargeNoMass(4));
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M--").AdductCharge, Adduct.FromChargeNoMass(-2).AdductCharge);
Assert.AreEqual(Adduct.FromStringAssumeProtonated("M-2"), Adduct.FromChargeNoMass(-2));
Assert.IsTrue(ReferenceEquals(Adduct.FromStringAssumeChargeOnly("M-"), Adduct.FromChargeNoMass(-1))); // Both should return Adduct.M_MINUS
Assert.IsTrue(ReferenceEquals(Adduct.FromStringAssumeChargeOnly("M+"), Adduct.FromChargeNoMass(1))); // Both should return Adduct.M_PLUS
Assert.IsTrue(ReferenceEquals(Adduct.FromStringAssumeChargeOnly("[M+]"), Adduct.FromChargeNoMass(1))); // Both should return Adduct.M_PLUS
Assert.IsTrue(ReferenceEquals(Adduct.FromStringAssumeChargeOnly("M-H"), Adduct.M_MINUS_H));
Assert.IsTrue(ReferenceEquals(Adduct.FromStringAssumeChargeOnly("M+H"), Adduct.M_PLUS_H));
var a = Adduct.FromChargeProtonated(-1);
var aa = Adduct.FromStringAssumeProtonated("M+CH3COO");
var b = Adduct.FromChargeProtonated(2);
var bb = Adduct.FromChargeProtonated(2);
var bbb = Adduct.FromChargeProtonated(2);
var bbbb = Adduct.FromChargeProtonated(2);
var c = Adduct.FromChargeProtonated(3);
var cc = Adduct.FromStringAssumeChargeOnly("M+3H");
var ccc = Adduct.FromStringAssumeChargeOnly("[M+3H]");
Assert.AreEqual(a.AdductCharge, aa.AdductCharge);
Assert.IsTrue(b == bb);
Assert.IsTrue(b == bbb);
Assert.IsTrue(ReferenceEquals(bbb, bbbb));
Assert.IsTrue(c.AdductCharge == cc.AdductCharge);
Assert.IsFalse(c == cc);
Assert.IsTrue(c != cc);
Assert.IsTrue(cc == ccc);
Assert.IsTrue(a < aa);
Assert.IsTrue(a < b);
Assert.IsTrue(b > a);
Assert.IsTrue(b != a);
var sorted = new List <Adduct> {
a, aa, b, bb, bbb, bbbb, c, cc, ccc
};
var unsorted = new List <Adduct> {
bb, aa, ccc, b, c, bbb, a, bbbb, cc
};
Assert.IsFalse(sorted.SequenceEqual(unsorted));
unsorted.Sort();
Assert.IsTrue(sorted.SequenceEqual(unsorted));
var ints = new AdductMap <int>();
Assert.AreEqual(0, ints[a]);
ints[a] = 7;
Assert.AreEqual(7, ints[a]);
var adducts = new AdductMap <Adduct>();
Assert.AreEqual(null, adducts[a]);
adducts[a] = b;
Assert.AreEqual(b, adducts[a]);
adducts[a] = c;
Assert.AreEqual(c, adducts[a]);
var d = Adduct.FromStringAssumeProtonated("[2M+3H]");
var dd = Adduct.FromStringAssumeProtonated("[M+3H]");
var ddd = Adduct.FromStringAssumeProtonated("[M-Na]");
Assert.IsTrue(d.ChangeMassMultiplier(1).SameEffect(dd));
Assert.IsTrue(dd.ChangeMassMultiplier(2).SameEffect(d));
Assert.AreEqual(dd.ChangeIonFormula("-Na"), ddd);
Assert.AreEqual(d.ChangeMassMultiplier(1).ChangeIonFormula("-Na"), ddd);
CheckLabel(BioMassCalc.Cl37);
CheckLabel(BioMassCalc.Br81);
CheckLabel(BioMassCalc.S33);
CheckLabel(BioMassCalc.S34);
CheckLabel(BioMassCalc.P32);
CheckLabel(BioMassCalc.C14);
CheckLabel(BioMassCalc.O17);
CheckLabel(BioMassCalc.O18);
var tips = Adduct.Tips;
foreach (var nickname in Adduct.DICT_ADDUCT_NICKNAMES)
{
Assert.IsTrue(tips.Contains(nickname.Key));
}
foreach (var nickname in Adduct.DICT_ADDUCT_ISOTOPE_NICKNAMES)
{
Assert.IsTrue(tips.Contains(nickname.Key));
}
}
