private void RunScriptTest(string input, Func <IMathAtom, IMathList> scriptGetter, MathAtomType[][] atomTypes, string output)
{
var builder = new MathListBuilder(input);
var list = builder.Build();
Assert.Null(builder.Error);
ExpandGroups(list);
CheckAtomTypes(list, atomTypes[0]);
IMathAtom firstAtom = list[0];
var types = atomTypes[1];
if (types.Count() > 0)
{
Assert.NotNull(scriptGetter(firstAtom));
}
var scriptList = scriptGetter(firstAtom);
CheckAtomTypes(scriptList, atomTypes[1]);
if (atomTypes.Count() == 3)
{
// one more level
var firstScript = scriptList[0];
var scriptScriptList = scriptGetter(firstScript);
CheckAtomTypes(scriptScriptList, atomTypes[2]);
}
string latex = MathListBuilder.MathListToString(list);
Assert.Equal(output, latex);
}
public void TestLeftRight(
string input,
MathAtomType[] expectedOutputTypes,
int innerIndex,
MathAtomType[] expectedInnerTypes,
string leftBoundary,
string rightBoundary,
string expectedLatex)
{
var builder = new MathListBuilder(input);
var list = builder.Build();
Assert.NotNull(list);
Assert.Null(builder.Error);
ExpandGroups(list);
CheckAtomTypes(list, expectedOutputTypes);
var inner = list[innerIndex] as Inner;
Assert.NotNull(inner);
CheckAtomTypeAndNucleus(inner, MathAtomType.Inner, "");
CheckAtomTypes(inner.InnerList, expectedInnerTypes);
CheckAtomTypeAndNucleus(inner.LeftBoundary, MathAtomType.Boundary, leftBoundary);
CheckAtomTypeAndNucleus(inner.RightBoundary, MathAtomType.Boundary, rightBoundary);
var latex = MathListBuilder.MathListToString(list);
Assert.Equal(expectedLatex, latex);
}
public void TestErrors(string badInput)
{
var builder = new MathListBuilder(badInput);
var list = builder.Build();
Assert.Null(list);
Assert.NotNull(builder.Error);
}
public void TestBuilder(string input, MathAtomType[] atomTypes, string output)
{
var builder = new MathListBuilder(input);
var list = builder.Build();
Assert.Null(builder.Error);
ExpandGroups(list);
CheckAtomTypes(list, atomTypes);
var latex = MathListBuilder.MathListToString(list);
Assert.Equal(output, latex);
}
public void TestListCopyWithFusedItems()
{
var builder = new MathListBuilder("12+x");
var list = builder.Build();
var finalized = list.FinalizedList();
var fusedCount = finalized.Sum(atom => atom.FusedAtoms?.Count ?? 0);
Assert.Equal(2, fusedCount);
var copy = AtomCloner.Clone(finalized, true);
var fusedCopyCount = copy.Sum(atom => atom.FusedAtoms?.Count ?? 0);
Assert.Equal(2, fusedCopyCount);
}
public void TestSymbols()
{
string str = @"5\times3^{2\div2}";
var builder = new MathListBuilder(str);
var list = builder.Build();
Assert.NotNull(list);
Assert.Equal(3, list.Atoms.Count());
CheckAtomTypeAndNucleus(list[0], MathAtomType.Number, "5");
CheckAtomTypeAndNucleus(list[1], MathAtomType.BinaryOperator, "\u00D7");
CheckAtomTypeAndNucleus(list[2], MathAtomType.Number, "3");
var superList = list[2].Superscript;
Assert.NotNull(superList);
Assert.Equal(3, superList.Atoms.Count());
CheckAtomTypeAndNucleus(superList[0], MathAtomType.Number, "2");
CheckAtomTypeAndNucleus(superList[1], MathAtomType.BinaryOperator, "\u00F7");
CheckAtomTypeAndNucleus(superList[2], MathAtomType.Number, "2");
}
public void TestCustom()
{
var input = @"\lcm(a,b)";
var builder = new MathListBuilder(input);
var list = builder.Build();
Assert.Null(list);
Assert.NotNull(builder.Error);
MathAtoms.AddLatexSymbol("lcm", MathAtoms.Operator("lcm", false));
var builder2 = new MathListBuilder(input);
var list2 = builder2.Build();
ExpandGroups(list2);
CheckAtomTypes(list2, MathAtomType.LargeOperator, MathAtomType.Open,
MathAtomType.Variable, MathAtomType.Punctuation, MathAtomType.Variable,
MathAtomType.Close);
var latex = MathListBuilder.MathListToString(list2);
Assert.Equal(@"\lcm (a,b)", latex);
}