public void TestClearFormatting()
{
HSSFRichTextString r = new HSSFRichTextString("Testing");
Assert.AreEqual(0, r.NumFormattingRuns);
r.ApplyFont(2, 4, new HSSFFont((short)1, null));
Assert.AreEqual(2, r.NumFormattingRuns);
r.ClearFormatting();
Assert.AreEqual(0, r.NumFormattingRuns);
}