public void AddColumns()
{
// column_span_2.pdf
var cols = new List <(float, float)>()
{
(232.2996050000001f, 311.1031500000001f), (486.4540550000001f, 508.1806500000001f)
};
var actual = Stream.AddColumns(cols, ColumnSpan2Text, 2);
var expected = new List <(float, float)>()
{
(232.2996050000001f, 311.1031500000001f),
(486.4540550000001f, 508.1806500000001f),
(336.1442f, 366.2782f),
(378.51135f, 397.9616500000001f),
(415.64969999999994f, 453.61170000000004f)
};
Assert.Equal(expected.Count, actual.Count);
Assert.Equal(expected, actual, new TestHelper.ListTuple2EqualityComparer(3));
}