public void TestCopyRange()
{
var line = new LineSegment();
line.InsertAfter(new Run("0123456789"));
line.InsertAfter(new Run("0123456789"));
line.InsertAfter(new Run("0123456789"));
var copy = default(LineSegment);
/// 最初
copy = ((LineSegment)line.CopyRange(new Range(0, 5)));
Assert.AreEqual("01234\r", copy.Text);
/// rangeが一つのInline内
copy = ((LineSegment)line.CopyRange(new Range(2, 3)));
Assert.AreEqual("234\r", copy.Text);
/// ひとつまたぐ
copy = ((LineSegment)line.CopyRange(new Range(7, 5)));
Assert.AreEqual("78901\r", copy.Text);
/// 一つcontains
copy = ((LineSegment)line.CopyRange(new Range(7, 15)));
Assert.AreEqual("789012345678901\r", copy.Text);
/// 最後のLineBreakは範囲に入っていてもいなくても結果が同じになる
copy = ((LineSegment)line.CopyRange(new Range(25, 5)));
Assert.AreEqual("56789\r", copy.Text);
copy = ((LineSegment)line.CopyRange(new Range(25, 6)));
Assert.AreEqual("56789\r", copy.Text);
}
