public void TestFontStuff()
{
InternalWorkbook wb = TestHSSFWorkbook.GetInternalWorkbook(new HSSFWorkbook());
Assert.AreEqual(4, wb.NumberOfFontRecords);
Assert.AreEqual(68, wb.Records.Count);
FontRecord f1 = wb.GetFontRecordAt(0);
FontRecord f4 = wb.GetFontRecordAt(3);
Assert.AreEqual(0, wb.GetFontIndex(f1));
Assert.AreEqual(3, wb.GetFontIndex(f4));
Assert.AreEqual(f1, wb.GetFontRecordAt(0));
Assert.AreEqual(f4, wb.GetFontRecordAt(3));
// There is no 4! new ones go in at 5
FontRecord n = wb.CreateNewFont();
Assert.AreEqual(69, wb.Records.Count);
Assert.AreEqual(5, wb.NumberOfFontRecords);
Assert.AreEqual(5, wb.GetFontIndex(n));
Assert.AreEqual(n, wb.GetFontRecordAt(5));
// And another
FontRecord n6 = wb.CreateNewFont();
Assert.AreEqual(70, wb.Records.Count);
Assert.AreEqual(6, wb.NumberOfFontRecords);
Assert.AreEqual(6, wb.GetFontIndex(n6));
Assert.AreEqual(n6, wb.GetFontRecordAt(6));
// Now remove the one formerly at 5
Assert.AreEqual(70, wb.Records.Count);
wb.RemoveFontRecord(n);
// Check that 6 has gone to 5
Assert.AreEqual(69, wb.Records.Count);
Assert.AreEqual(5, wb.NumberOfFontRecords);
Assert.AreEqual(5, wb.GetFontIndex(n6));
Assert.AreEqual(n6, wb.GetFontRecordAt(5));
// Check that the earlier ones are unChanged
Assert.AreEqual(0, wb.GetFontIndex(f1));
Assert.AreEqual(3, wb.GetFontIndex(f4));
Assert.AreEqual(f1, wb.GetFontRecordAt(0));
Assert.AreEqual(f4, wb.GetFontRecordAt(3));
// Finally, add another one
FontRecord n7 = wb.CreateNewFont();
Assert.AreEqual(70, wb.Records.Count);
Assert.AreEqual(6, wb.NumberOfFontRecords);
Assert.AreEqual(6, wb.GetFontIndex(n7));
Assert.AreEqual(n7, wb.GetFontRecordAt(6));
}