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/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.hssf.usermodel;
import junit.framework.TestCase;
public final class TestHSSFOptimiser extends TestCase {
public void testDoesNoHarmIfNothingToDo() {
HSSFWorkbook wb = new HSSFWorkbook();
// New files start with 4 built in fonts, and 21 built in styles
assertEquals(4, wb.getNumberOfFonts());
assertEquals(21, wb.getNumCellStyles());
// Create a test font and style, and use them
HSSFFont f = wb.createFont();
f.setFontName("Testing");
HSSFCellStyle s = wb.createCellStyle();
s.setFont(f);
HSSFSheet sheet = wb.createSheet();
HSSFRow row = sheet.createRow(0);
row.createCell(0).setCellStyle(s);
// Should have one more than the default of each
assertEquals(5, wb.getNumberOfFonts());
assertEquals(22, wb.getNumCellStyles());
// Optimise fonts
HSSFOptimiser.optimiseFonts(wb);
assertEquals(5, wb.getNumberOfFonts());
assertEquals(22, wb.getNumCellStyles());
assertEquals(f, s.getFont(wb));
// Optimise styles
HSSFOptimiser.optimiseCellStyles(wb);
assertEquals(5, wb.getNumberOfFonts());
assertEquals(22, wb.getNumCellStyles());
assertEquals(f, s.getFont(wb));
}
public void testOptimiseFonts() {
HSSFWorkbook wb = new HSSFWorkbook();
// Add 6 fonts, some duplicates
HSSFFont f1 = wb.createFont();
f1.setFontHeight((short) 11);
f1.setFontName("Testing");
HSSFFont f2 = wb.createFont();
f2.setFontHeight((short) 22);
f2.setFontName("Also Testing");
HSSFFont f3 = wb.createFont();
f3.setFontHeight((short) 33);
f3.setFontName("Unique");
HSSFFont f4 = wb.createFont();
f4.setFontHeight((short) 11);
f4.setFontName("Testing");
HSSFFont f5 = wb.createFont();
f5.setFontHeight((short) 22);
f5.setFontName("Also Testing");
HSSFFont f6 = wb.createFont();
f6.setFontHeight((short) 66);
f6.setFontName("Also Unique");
// Use all three of the four in cell styles
assertEquals(21, wb.getNumCellStyles());
HSSFCellStyle cs1 = wb.createCellStyle();
cs1.setFont(f1);
assertEquals(5, cs1.getFontIndex());
HSSFCellStyle cs2 = wb.createCellStyle();
cs2.setFont(f4);
assertEquals(8, cs2.getFontIndex());
HSSFCellStyle cs3 = wb.createCellStyle();
cs3.setFont(f5);
assertEquals(9, cs3.getFontIndex());
HSSFCellStyle cs4 = wb.createCellStyle();
cs4.setFont(f6);
assertEquals(10, cs4.getFontIndex());
assertEquals(25, wb.getNumCellStyles());
// And three in rich text
HSSFSheet s = wb.createSheet();
HSSFRow r = s.createRow(0);
HSSFRichTextString rtr1 = new HSSFRichTextString("Test");
rtr1.applyFont(0, 2, f1);
rtr1.applyFont(3, 4, f2);
r.createCell(0).setCellValue(rtr1);
HSSFRichTextString rtr2 = new HSSFRichTextString("AlsoTest");
rtr2.applyFont(0, 2, f3);
rtr2.applyFont(3, 5, f5);
rtr2.applyFont(6, 8, f6);
r.createCell(1).setCellValue(rtr2);
// Check what we have now
assertEquals(10, wb.getNumberOfFonts());
assertEquals(25, wb.getNumCellStyles());
// Optimise
HSSFOptimiser.optimiseFonts(wb);
// Check font count
assertEquals(8, wb.getNumberOfFonts());
assertEquals(25, wb.getNumCellStyles());
// Check font use in cell styles
assertEquals(5, cs1.getFontIndex());
assertEquals(5, cs2.getFontIndex()); // duplicate of 1
assertEquals(6, cs3.getFontIndex()); // duplicate of 2
assertEquals(8, cs4.getFontIndex()); // two have gone
// And in rich text
// RTR 1 had f1 and f2, unchanged
assertEquals(5, r.getCell(0).getRichStringCellValue().getFontAtIndex(0));
assertEquals(5, r.getCell(0).getRichStringCellValue().getFontAtIndex(1));
assertEquals(6, r.getCell(0).getRichStringCellValue().getFontAtIndex(3));
assertEquals(6, r.getCell(0).getRichStringCellValue().getFontAtIndex(4));
// RTR 2 had f3 (unchanged), f5 (=f2) and f6 (moved down)
assertEquals(7, r.getCell(1).getRichStringCellValue().getFontAtIndex(0));
assertEquals(7, r.getCell(1).getRichStringCellValue().getFontAtIndex(1));
assertEquals(6, r.getCell(1).getRichStringCellValue().getFontAtIndex(3));
assertEquals(6, r.getCell(1).getRichStringCellValue().getFontAtIndex(4));
assertEquals(8, r.getCell(1).getRichStringCellValue().getFontAtIndex(6));
assertEquals(8, r.getCell(1).getRichStringCellValue().getFontAtIndex(7));
}
public void testOptimiseStyles() {
HSSFWorkbook wb = new HSSFWorkbook();
// Two fonts
assertEquals(4, wb.getNumberOfFonts());
HSSFFont f1 = wb.createFont();
f1.setFontHeight((short) 11);
f1.setFontName("Testing");
HSSFFont f2 = wb.createFont();
f2.setFontHeight((short) 22);
f2.setFontName("Also Testing");
assertEquals(6, wb.getNumberOfFonts());
// Several styles
assertEquals(21, wb.getNumCellStyles());
HSSFCellStyle cs1 = wb.createCellStyle();
cs1.setFont(f1);
HSSFCellStyle cs2 = wb.createCellStyle();
cs2.setFont(f2);
HSSFCellStyle cs3 = wb.createCellStyle();
cs3.setFont(f1);
HSSFCellStyle cs4 = wb.createCellStyle();
cs4.setFont(f1);
cs4.setAlignment((short) 22);
HSSFCellStyle cs5 = wb.createCellStyle();
cs5.setFont(f2);
cs5.setAlignment((short) 111);
HSSFCellStyle cs6 = wb.createCellStyle();
cs6.setFont(f2);
assertEquals(27, wb.getNumCellStyles());
// Use them
HSSFSheet s = wb.createSheet();
HSSFRow r = s.createRow(0);
r.createCell(0).setCellStyle(cs1);
r.createCell(1).setCellStyle(cs2);
r.createCell(2).setCellStyle(cs3);
r.createCell(3).setCellStyle(cs4);
r.createCell(4).setCellStyle(cs5);
r.createCell(5).setCellStyle(cs6);
r.createCell(6).setCellStyle(cs1);
r.createCell(7).setCellStyle(cs2);
assertEquals(21, r.getCell(0).getCellValueRecord().getXFIndex());
assertEquals(26, r.getCell(5).getCellValueRecord().getXFIndex());
assertEquals(21, r.getCell(6).getCellValueRecord().getXFIndex());
// Optimise
HSSFOptimiser.optimiseCellStyles(wb);
// Check
assertEquals(6, wb.getNumberOfFonts());
assertEquals(25, wb.getNumCellStyles());
// cs1 -> 21
assertEquals(21, r.getCell(0).getCellValueRecord().getXFIndex());
// cs2 -> 22
assertEquals(22, r.getCell(1).getCellValueRecord().getXFIndex());
assertEquals(22, r.getCell(1).getCellStyle().getFont(wb).getFontHeight());
// cs3 = cs1 -> 21
assertEquals(21, r.getCell(2).getCellValueRecord().getXFIndex());
// cs4 --> 24 -> 23
assertEquals(23, r.getCell(3).getCellValueRecord().getXFIndex());
// cs5 --> 25 -> 24
assertEquals(24, r.getCell(4).getCellValueRecord().getXFIndex());
// cs6 = cs2 -> 22
assertEquals(22, r.getCell(5).getCellValueRecord().getXFIndex());
// cs1 -> 21
assertEquals(21, r.getCell(6).getCellValueRecord().getXFIndex());
// cs2 -> 22
assertEquals(22, r.getCell(7).getCellValueRecord().getXFIndex());
// Add a new duplicate, and two that aren't used
HSSFCellStyle csD = wb.createCellStyle();
csD.setFont(f1);
r.createCell(8).setCellStyle(csD);
HSSFFont f3 = wb.createFont();
f3.setFontHeight((short) 23);
f3.setFontName("Testing 3");
HSSFFont f4 = wb.createFont();
f4.setFontHeight((short) 24);
f4.setFontName("Testing 4");
HSSFCellStyle csU1 = wb.createCellStyle();
csU1.setFont(f3);
HSSFCellStyle csU2 = wb.createCellStyle();
csU2.setFont(f4);
// Check before the optimise
assertEquals(8, wb.getNumberOfFonts());
assertEquals(28, wb.getNumCellStyles());
// Optimise, should remove the two un-used ones and the one duplicate
HSSFOptimiser.optimiseCellStyles(wb);
// Check
assertEquals(8, wb.getNumberOfFonts());
assertEquals(25, wb.getNumCellStyles());
// csD -> cs1 -> 21
assertEquals(21, r.getCell(8).getCellValueRecord().getXFIndex());
}
public void testOptimiseStylesCheckActualStyles() {
HSSFWorkbook wb = new HSSFWorkbook();
// Several styles
assertEquals(21, wb.getNumCellStyles());
HSSFCellStyle cs1 = wb.createCellStyle();
cs1.setBorderBottom(HSSFCellStyle.BORDER_THICK);
HSSFCellStyle cs2 = wb.createCellStyle();
cs2.setBorderBottom(HSSFCellStyle.BORDER_DASH_DOT);
HSSFCellStyle cs3 = wb.createCellStyle(); // = cs1
cs3.setBorderBottom(HSSFCellStyle.BORDER_THICK);
assertEquals(24, wb.getNumCellStyles());
// Use them
HSSFSheet s = wb.createSheet();
HSSFRow r = s.createRow(0);
r.createCell(0).setCellStyle(cs1);
r.createCell(1).setCellStyle(cs2);
r.createCell(2).setCellStyle(cs3);
assertEquals(21, r.getCell(0).getCellValueRecord().getXFIndex());
assertEquals(22, r.getCell(1).getCellValueRecord().getXFIndex());
assertEquals(23, r.getCell(2).getCellValueRecord().getXFIndex());
// Optimise
HSSFOptimiser.optimiseCellStyles(wb);
// Check
assertEquals(23, wb.getNumCellStyles());
assertEquals(HSSFCellStyle.BORDER_THICK, r.getCell(0).getCellStyle().getBorderBottom());
assertEquals(HSSFCellStyle.BORDER_DASH_DOT, r.getCell(1).getCellStyle().getBorderBottom());
assertEquals(HSSFCellStyle.BORDER_THICK, r.getCell(2).getCellStyle().getBorderBottom());
}
}
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