InternalWorkbook wb = TestHSSFWorkbook.getInternalWorkbook(new HSSFWorkbook());
assertEquals(4, wb.getNumberOfFontRecords());
assertEquals(68, wb.getRecords().size());
FontRecord f1 = wb.getFontRecordAt(0);
FontRecord f4 = wb.getFontRecordAt(3);
assertEquals(0, wb.getFontIndex(f1));
assertEquals(3, wb.getFontIndex(f4));
assertEquals(f1, wb.getFontRecordAt(0));
assertEquals(f4, wb.getFontRecordAt(3));
// There is no 4! new ones go in at 5
FontRecord n = wb.createNewFont();
assertEquals(69, wb.getRecords().size());
assertEquals(5, wb.getNumberOfFontRecords());
assertEquals(5, wb.getFontIndex(n));
assertEquals(n, wb.getFontRecordAt(5));
// And another
FontRecord n6 = wb.createNewFont();
assertEquals(70, wb.getRecords().size());
assertEquals(6, wb.getNumberOfFontRecords());
assertEquals(6, wb.getFontIndex(n6));
assertEquals(n6, wb.getFontRecordAt(6));
// Now remove the one formerly at 5
assertEquals(70, wb.getRecords().size());
wb.removeFontRecord(n);
// Check that 6 has gone to 5
assertEquals(69, wb.getRecords().size());
assertEquals(5, wb.getNumberOfFontRecords());
assertEquals(5, wb.getFontIndex(n6));
assertEquals(n6, wb.getFontRecordAt(5));
// Check that the earlier ones are unchanged
assertEquals(0, wb.getFontIndex(f1));
assertEquals(3, wb.getFontIndex(f4));
assertEquals(f1, wb.getFontRecordAt(0));
assertEquals(f4, wb.getFontRecordAt(3));
// Finally, add another one
FontRecord n7 = wb.createNewFont();
assertEquals(70, wb.getRecords().size());
assertEquals(6, wb.getNumberOfFontRecords());
assertEquals(6, wb.getFontIndex(n7));
assertEquals(n7, wb.getFontRecordAt(6));
}