public void TestAppend()
{
var list1 = new MathList();
var atom1 = MathAtoms.Placeholder;
var atom2 = MathAtoms.Operator("+", false);
var atom3 = MathAtoms.Operator("-", false);
list1.Add(atom1);
list1.Add(atom2);
list1.Add(atom3);
var list2 = new MathList();
var atom5 = MathAtoms.Times;
var atom6 = MathAtoms.Divide;
list2.Add(atom5);
list2.Add(atom6);
Assert.Equal(3, list1.Count);
Assert.Equal(2, list2.Count);
list1.Append(list2);
Assert.Equal(5, list1.Count);
Assert.Equal(atom5, list1[3]);
Assert.Equal(atom6, list1[4]);
}
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);
}
public void TestInsert()
{
var list = new MathList();
Assert.Empty(list);
var atom = MathAtoms.Placeholder;
list.Insert(0, atom);
Assert.Single(list);
Assert.Equal(atom, list[0]);
var atom2 = MathAtoms.Operator("+", false);
list.Insert(0, atom2);
Assert.Equal(2, list.Count);
Assert.Equal(atom2, list[0]);
Assert.Equal(atom, list[1]);
var atom3 = MathAtoms.Create(MathAtomType.Variable, "x");
list.Insert(2, atom3);
Assert.Equal(3, list.Count);
Assert.Equal(atom2, list[0]);
Assert.Equal(atom, list[1]);
Assert.Equal(atom3, list[2]);
}