FileDocCategorySizeDatePackage
TestStyleTextPropAtom.javaAPI DocApache Poi 3.0.130599Tue Jun 26 21:26:02 BST 2007org.apache.poi.hslf.record

TestStyleTextPropAtom.java

/* ====================================================================
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   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.hslf.record;

import org.apache.poi.hslf.HSLFSlideShow;
import org.apache.poi.hslf.model.textproperties.CharFlagsTextProp;
import org.apache.poi.hslf.model.textproperties.TextProp;
import org.apache.poi.hslf.model.textproperties.TextPropCollection;
import org.apache.poi.hslf.record.StyleTextPropAtom.*;
import org.apache.poi.hslf.usermodel.SlideShow;
import org.apache.poi.util.HexDump;

import junit.framework.TestCase;
import java.io.ByteArrayOutputStream;
import java.util.LinkedList;

/**
 * Tests that StyleTextPropAtom works properly
 *
 * @author Nick Burch (nick at torchbox dot com)
 */
public class TestStyleTextPropAtom extends TestCase {
	/** From a real file: a paragraph with 4 different styles */
	private byte[] data_a = new byte[] { 
	  0, 0, 0xA1-256, 0x0F, 0x2A, 0, 0, 0,
      0x36, 00, 00, 00, // paragraph is 54 long 
      00, 00,           // (paragraph reserved field)
      00, 00, 00, 00,   // it doesn't have any styles
      0x15, 00, 00, 00, // first char run is 21 long
      00, 00, 00, 00,   // it doesn't have any styles
      0x11, 00, 00, 00, // second char run is 17 long
      00, 00, 0x04, 00, // font.color only
      00, 00, 00, 0x05, // blue
      0x10, 00, 00, 00, // third char run is 16 long
      00, 00, 0x04, 00, // font.color only
      0xFF-256, 0x33, 00, 0xFE-256 // red
	};
	private int data_a_text_len = 0x36-1;

	/** 
	 * From a real file: 4 paragraphs with text in 4 different styles:
	 * left aligned+bold (30)
	 * centre aligned+italic+blue (28)
	 * right aligned+red (25)
	 * left aligned+underlined+larger font size (96)
	 * left aligned+underlined+larger font size+red (1)
	 */
	private byte[] data_b = new byte[] { 
		0, 0, 0xA1-256, 0x0F, 0x80-256, 0, 0, 0, 
		0x1E, 00, 00, 00,     // paragraph is 30 long 
		00, 00,               // paragraph reserved field
		00, 0x18, 00, 00,     // mask is 0x1800
		00, 00,               // left aligned
		0x50, 00,             // line spacing 80
		0x1C, 00, 00, 00,     // paragprah is 28 long 
		00, 00,               // paragraph reserved field
		00, 0x10, 00, 00,     // mask is 0x1000
		0x50, 00,             // line spacing 80
		0x19, 00, 00, 00,     // paragraph is 25 long
	    00, 00,               // paragraph reserved field
	    00, 0x18, 00, 00,     // mask is 0x1800 
	    02, 00,               // right aligned
	    0x50, 00,             // line spacing 80
	    0x61, 00, 00, 00,     // paragraph is 97 long
	    00, 00,               // paragraph reserved field
	    00, 0x18, 00, 00,     // mask is 0x1800
	    00, 00,               // left aligned
	    0x50, 00,             // line spacing 80
	    
	    0x1E, 00, 00, 00,     // character run is 30 long
	    01, 00, 02, 00,       // mask is 0x020001
	    01, 00,               // char flags 0x0001 = bold
	    0x14, 00,             // font size 20
	    0x1C, 00, 00, 00,     // character run is 28 long
	    02, 00, 06, 00,       // mask is 0x060002
	    02, 00,               // char flags 0x0002 = italic
	    0x14, 00,             // font size 20
	    00, 00, 00, 05,       // colour blue
	    0x19, 00, 00, 00,     // character run is 25 long
	    00, 00, 06, 00,       // char flags 0x060000
	    0x14, 00,             // font size 20
	    0xFF-256, 0x33, 00, 0xFE-256, // colour red
	    0x60, 00, 00, 00,     // character run is 96 long
	    04, 00, 03, 00,       // mask is 0x030004
	    04, 00,               // char flags 0x0004 = underlined
	    01, 00,               // font index is 1
	    0x18, 00,             // font size 24
	    
	    01, 00, 00, 00,       // character run is 1 long
	    04, 00, 07, 00,       // mask is 0x070004
	    04, 00,               // char flags 0x0004 = underlined
	    01, 00,               // font index is 1 
	    0x18, 00,             // font size 24
	    0xFF-256, 0x33, 00, 0xFE-256 // colour red
	};
	private int data_b_text_len = 0xB3;
	
	/**
	 * From a real file. Has a mask with more bits
	 *  set than it actually has data for. Shouldn't do,
	 *  but some real files do :(
	 */
	private byte[] data_c = new byte[] {
		0, 0, -95, 15, 62, 0, 0, 0,
		123, 0, 0, 0, 0, 0, 48, 8, 
		10, 0, 1, 0, 0, 0, 0, 0, 
		1, 0, 2, 0, 1, 0, 0, 0, 
		0, 0, 48, 0, 10, 0, 1, 0, 
		0, 0, 0, 0, 2, 0, 123, 0, 
		0, 0, 0, 0, 3, 0, 1, 0, 
		28, 0, 1, 0, 0, 0, 0, 0, 
		3, 0, 1, 0, 24, 0
	};
	private int data_c_text_len = 123-1;

    /**
     * From a real file supplied for Bug 40143 by tales@great.ufc.br
     */
    private byte[] data_d = {
        0x00, 0x00, 0xA1-256, 0x0F, 0x1E, 0x00, 0x00, 0x00, //header
        (byte)0xA0, 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x08 , 0x00 , 0x00 ,
        0x01 , 0x00, (byte)0xA0 , 0x00 , 0x00 , 0x00 , 0x01 , 0x00 , 0x63 , 0x00 ,
        0x01 , 0x00, 0x01 , 0x00 , 0x00, 0x00 , 0x01 , 0x00 , 0x14 , 0x00
    };
    private int data_d_text_len = 0xA0-1;

    public void testRecordType() throws Exception {
		StyleTextPropAtom stpa = new StyleTextPropAtom(data_a,0,data_a.length);
		StyleTextPropAtom stpb = new StyleTextPropAtom(data_b,0,data_b.length);
		StyleTextPropAtom stpc = new StyleTextPropAtom(data_c,0,data_c.length);
		assertEquals(4001l, stpa.getRecordType());
		assertEquals(4001l, stpb.getRecordType());
		assertEquals(4001l, stpc.getRecordType());
	}


	public void testCharacterStyleCounts() throws Exception {
		StyleTextPropAtom stpa = new StyleTextPropAtom(data_a,0,data_a.length);
		StyleTextPropAtom stpb = new StyleTextPropAtom(data_b,0,data_b.length);

		// Set for the appropriate text sizes
		stpa.setParentTextSize(data_a_text_len);
		stpb.setParentTextSize(data_b_text_len);

		// In case A, there is a single styling of the characters
		assertEquals(3, stpa.getCharacterStyles().size());
		// In case B, there are 5 different stylings
		assertEquals(5, stpb.getCharacterStyles().size());
	}

	public void testParagraphStyleCounts() throws Exception {
		StyleTextPropAtom stpa = new StyleTextPropAtom(data_a,0,data_a.length);
		StyleTextPropAtom stpb = new StyleTextPropAtom(data_b,0,data_b.length);

		// Set for the appropriate text sizes
		stpa.setParentTextSize(data_a_text_len);
		stpb.setParentTextSize(data_b_text_len);

		// In case A, all has the same spacing and alignment
		assertEquals(1, stpa.getParagraphStyles().size());
		// In case B, all 4 sets have different alignments
		assertEquals(4, stpb.getParagraphStyles().size());
	}


	public void testCharacterStyleLengths() throws Exception {
		StyleTextPropAtom stpa = new StyleTextPropAtom(data_a,0,data_a.length);
		StyleTextPropAtom stpb = new StyleTextPropAtom(data_b,0,data_b.length);

		// Set for the appropriate text sizes
		stpa.setParentTextSize(data_a_text_len);
		stpb.setParentTextSize(data_b_text_len);

		// 54 chars, 21 + 17 + 16
		LinkedList a_ch_l = stpa.getCharacterStyles();
		TextPropCollection a_ch_1 = (TextPropCollection)a_ch_l.get(0);
		TextPropCollection a_ch_2 = (TextPropCollection)a_ch_l.get(1);
		TextPropCollection a_ch_3 = (TextPropCollection)a_ch_l.get(2);
		assertEquals(21, a_ch_1.getCharactersCovered());
		assertEquals(17, a_ch_2.getCharactersCovered());
		assertEquals(16, a_ch_3.getCharactersCovered());

		// 179 chars, 30 + 28 + 25
		LinkedList b_ch_l = stpb.getCharacterStyles();
		TextPropCollection b_ch_1 = (TextPropCollection)b_ch_l.get(0);
		TextPropCollection b_ch_2 = (TextPropCollection)b_ch_l.get(1);
		TextPropCollection b_ch_3 = (TextPropCollection)b_ch_l.get(2);
		TextPropCollection b_ch_4 = (TextPropCollection)b_ch_l.get(3);
		assertEquals(30, b_ch_1.getCharactersCovered());
		assertEquals(28, b_ch_2.getCharactersCovered());
		assertEquals(25, b_ch_3.getCharactersCovered());
		assertEquals(96, b_ch_4.getCharactersCovered());
	}


	public void testCharacterPropOrdering() throws Exception {
		StyleTextPropAtom stpb = new StyleTextPropAtom(data_b,0,data_b.length);
		stpb.setParentTextSize(data_b_text_len);

		LinkedList b_ch_l = stpb.getCharacterStyles();
		TextPropCollection b_ch_1 = (TextPropCollection)b_ch_l.get(0);
		TextPropCollection b_ch_2 = (TextPropCollection)b_ch_l.get(1);
		TextPropCollection b_ch_3 = (TextPropCollection)b_ch_l.get(2);
		TextPropCollection b_ch_4 = (TextPropCollection)b_ch_l.get(3);
		
		// In first set, we get a CharFlagsTextProp and a font.size
		assertEquals(2,b_ch_1.getTextPropList().size());
		TextProp tp_1_1 = (TextProp)b_ch_1.getTextPropList().get(0);
		TextProp tp_1_2 = (TextProp)b_ch_1.getTextPropList().get(1);
		assertEquals(true, tp_1_1 instanceof CharFlagsTextProp);
		assertEquals(true, tp_1_2 instanceof TextProp);
		assertEquals("font.size", tp_1_2.getName());
		assertEquals(20, tp_1_2.getValue());
		
		// In second set, we get a CharFlagsTextProp and a font.size and a font.color
		assertEquals(3,b_ch_2.getTextPropList().size());
		TextProp tp_2_1 = (TextProp)b_ch_2.getTextPropList().get(0);
		TextProp tp_2_2 = (TextProp)b_ch_2.getTextPropList().get(1);
		TextProp tp_2_3 = (TextProp)b_ch_2.getTextPropList().get(2);
		assertEquals(true, tp_2_1 instanceof CharFlagsTextProp);
		assertEquals(true, tp_2_2 instanceof TextProp);
		assertEquals(true, tp_2_3 instanceof TextProp);
		assertEquals("font.size", tp_2_2.getName());
		assertEquals("font.color", tp_2_3.getName());
		assertEquals(20, tp_2_2.getValue());
		
		// In third set, it's just a font.size and a font.color
		assertEquals(2,b_ch_3.getTextPropList().size());
		TextProp tp_3_1 = (TextProp)b_ch_3.getTextPropList().get(0);
		TextProp tp_3_2 = (TextProp)b_ch_3.getTextPropList().get(1);
		assertEquals(true, tp_3_1 instanceof TextProp);
		assertEquals(true, tp_3_2 instanceof TextProp);
		assertEquals("font.size", tp_3_1.getName());
		assertEquals("font.color", tp_3_2.getName());
		assertEquals(20, tp_3_1.getValue());
		
		// In fourth set, we get a CharFlagsTextProp and a font.index and a font.size
		assertEquals(3,b_ch_4.getTextPropList().size());
		TextProp tp_4_1 = (TextProp)b_ch_4.getTextPropList().get(0);
		TextProp tp_4_2 = (TextProp)b_ch_4.getTextPropList().get(1);
		TextProp tp_4_3 = (TextProp)b_ch_4.getTextPropList().get(2);
		assertEquals(true, tp_4_1 instanceof CharFlagsTextProp);
		assertEquals(true, tp_4_2 instanceof TextProp);
		assertEquals(true, tp_4_3 instanceof TextProp);
		assertEquals("font.index", tp_4_2.getName());
		assertEquals("font.size", tp_4_3.getName());
		assertEquals(24, tp_4_3.getValue());
	}

	public void testParagraphProps() throws Exception {
		StyleTextPropAtom stpb = new StyleTextPropAtom(data_b,0,data_b.length);
		stpb.setParentTextSize(data_b_text_len);
		
		LinkedList b_p_l = stpb.getParagraphStyles();
		TextPropCollection b_p_1 = (TextPropCollection)b_p_l.get(0);
		TextPropCollection b_p_2 = (TextPropCollection)b_p_l.get(1);
		TextPropCollection b_p_3 = (TextPropCollection)b_p_l.get(2);
		TextPropCollection b_p_4 = (TextPropCollection)b_p_l.get(3);
		
		// 1st is left aligned + normal line spacing
		assertEquals(2,b_p_1.getTextPropList().size());
		TextProp tp_1_1 = (TextProp)b_p_1.getTextPropList().get(0);
		TextProp tp_1_2 = (TextProp)b_p_1.getTextPropList().get(1);
		assertEquals(true, tp_1_1 instanceof TextProp);
		assertEquals(true, tp_1_2 instanceof TextProp);
		assertEquals("alignment", tp_1_1.getName());
		assertEquals("linespacing", tp_1_2.getName());
		assertEquals(0, tp_1_1.getValue());
		assertEquals(80, tp_1_2.getValue());
		
		// 2nd is centre aligned (default) + normal line spacing
		assertEquals(1,b_p_2.getTextPropList().size());
		TextProp tp_2_1 = (TextProp)b_p_2.getTextPropList().get(0);
		assertEquals(true, tp_2_1 instanceof TextProp);
		assertEquals(true, tp_1_2 instanceof TextProp);
		assertEquals("linespacing", tp_2_1.getName());
		assertEquals(80, tp_2_1.getValue());
		
		// 3rd is right aligned + normal line spacing
		assertEquals(2,b_p_3.getTextPropList().size());
		TextProp tp_3_1 = (TextProp)b_p_3.getTextPropList().get(0);
		TextProp tp_3_2 = (TextProp)b_p_3.getTextPropList().get(1);
		assertEquals(true, tp_3_1 instanceof TextProp);
		assertEquals(true, tp_3_2 instanceof TextProp);
		assertEquals("alignment", tp_3_1.getName());
		assertEquals("linespacing", tp_3_2.getName());
		assertEquals(2, tp_3_1.getValue());
		assertEquals(80, tp_3_2.getValue());
		
		// 4st is left aligned + normal line spacing (despite differing font)
		assertEquals(2,b_p_4.getTextPropList().size());
		TextProp tp_4_1 = (TextProp)b_p_4.getTextPropList().get(0);
		TextProp tp_4_2 = (TextProp)b_p_4.getTextPropList().get(1);
		assertEquals(true, tp_4_1 instanceof TextProp);
		assertEquals(true, tp_4_2 instanceof TextProp);
		assertEquals("alignment", tp_4_1.getName());
		assertEquals("linespacing", tp_4_2.getName());
		assertEquals(0, tp_4_1.getValue());
		assertEquals(80, tp_4_2.getValue());
	}

	public void testCharacterProps() throws Exception {
		StyleTextPropAtom stpb = new StyleTextPropAtom(data_b,0,data_b.length);
		stpb.setParentTextSize(data_b_text_len);

		LinkedList b_ch_l = stpb.getCharacterStyles();
		TextPropCollection b_ch_1 = (TextPropCollection)b_ch_l.get(0);
		TextPropCollection b_ch_2 = (TextPropCollection)b_ch_l.get(1);
		TextPropCollection b_ch_3 = (TextPropCollection)b_ch_l.get(2);
		TextPropCollection b_ch_4 = (TextPropCollection)b_ch_l.get(3);

		// 1st is bold
		CharFlagsTextProp cf_1_1 = (CharFlagsTextProp)b_ch_1.getTextPropList().get(0);
		assertEquals(true,cf_1_1.getSubValue(CharFlagsTextProp.BOLD_IDX));
		assertEquals(false,cf_1_1.getSubValue(CharFlagsTextProp.ITALIC_IDX));
		assertEquals(false,cf_1_1.getSubValue(CharFlagsTextProp.ENABLE_NUMBERING_1_IDX));
		assertEquals(false,cf_1_1.getSubValue(CharFlagsTextProp.ENABLE_NUMBERING_2_IDX));
		assertEquals(false,cf_1_1.getSubValue(CharFlagsTextProp.RELIEF_IDX));
		assertEquals(false,cf_1_1.getSubValue(CharFlagsTextProp.RESET_NUMBERING_IDX));
		assertEquals(false,cf_1_1.getSubValue(CharFlagsTextProp.SHADOW_IDX));
		assertEquals(false,cf_1_1.getSubValue(CharFlagsTextProp.STRIKETHROUGH_IDX));
		assertEquals(false,cf_1_1.getSubValue(CharFlagsTextProp.UNDERLINE_IDX));
		
		// 2nd is italic
		CharFlagsTextProp cf_2_1 = (CharFlagsTextProp)b_ch_2.getTextPropList().get(0);
		assertEquals(false,cf_2_1.getSubValue(CharFlagsTextProp.BOLD_IDX));
		assertEquals(true,cf_2_1.getSubValue(CharFlagsTextProp.ITALIC_IDX));
		assertEquals(false,cf_2_1.getSubValue(CharFlagsTextProp.ENABLE_NUMBERING_1_IDX));
		assertEquals(false,cf_2_1.getSubValue(CharFlagsTextProp.ENABLE_NUMBERING_2_IDX));
		assertEquals(false,cf_2_1.getSubValue(CharFlagsTextProp.RELIEF_IDX));
		assertEquals(false,cf_2_1.getSubValue(CharFlagsTextProp.RESET_NUMBERING_IDX));
		assertEquals(false,cf_2_1.getSubValue(CharFlagsTextProp.SHADOW_IDX));
		assertEquals(false,cf_2_1.getSubValue(CharFlagsTextProp.STRIKETHROUGH_IDX));
		assertEquals(false,cf_2_1.getSubValue(CharFlagsTextProp.UNDERLINE_IDX));

		// 3rd is normal, so lacks a CharFlagsTextProp
		assertFalse(b_ch_3.getTextPropList().get(0) instanceof CharFlagsTextProp);
		
		// 4th is underlined
		CharFlagsTextProp cf_4_1 = (CharFlagsTextProp)b_ch_4.getTextPropList().get(0);
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.BOLD_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.ITALIC_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.ENABLE_NUMBERING_1_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.ENABLE_NUMBERING_2_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.RELIEF_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.RESET_NUMBERING_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.SHADOW_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.STRIKETHROUGH_IDX));
		assertEquals(true,cf_4_1.getSubValue(CharFlagsTextProp.UNDERLINE_IDX));
		
		// The value for this should be 4
		assertEquals(0x0004, cf_4_1.getValue());
		
		// Now make the 4th bold, italic and not underlined
		cf_4_1.setSubValue(true, CharFlagsTextProp.BOLD_IDX);
		cf_4_1.setSubValue(true, CharFlagsTextProp.ITALIC_IDX);
		cf_4_1.setSubValue(false, CharFlagsTextProp.UNDERLINE_IDX);
		
		assertEquals(true,cf_4_1.getSubValue(CharFlagsTextProp.BOLD_IDX));
		assertEquals(true,cf_4_1.getSubValue(CharFlagsTextProp.ITALIC_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.ENABLE_NUMBERING_1_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.ENABLE_NUMBERING_2_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.RELIEF_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.RESET_NUMBERING_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.SHADOW_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.STRIKETHROUGH_IDX));
		assertEquals(false,cf_4_1.getSubValue(CharFlagsTextProp.UNDERLINE_IDX));
		
		// The value should now be 3
		assertEquals(0x0003, cf_4_1.getValue());
	}
	
	public void testFindAddTextProp() {
		StyleTextPropAtom stpb = new StyleTextPropAtom(data_b,0,data_b.length);
		stpb.setParentTextSize(data_b_text_len);

		LinkedList b_p_l = stpb.getParagraphStyles();
		TextPropCollection b_p_1 = (TextPropCollection)b_p_l.get(0);
		TextPropCollection b_p_2 = (TextPropCollection)b_p_l.get(1);
		TextPropCollection b_p_3 = (TextPropCollection)b_p_l.get(2);
		TextPropCollection b_p_4 = (TextPropCollection)b_p_l.get(3);
		
		LinkedList b_ch_l = stpb.getCharacterStyles();
		TextPropCollection b_ch_1 = (TextPropCollection)b_ch_l.get(0);
		TextPropCollection b_ch_2 = (TextPropCollection)b_ch_l.get(1);
		TextPropCollection b_ch_3 = (TextPropCollection)b_ch_l.get(2);
		TextPropCollection b_ch_4 = (TextPropCollection)b_ch_l.get(3);

		// CharFlagsTextProp: 3 doesn't have, 4 does
		assertNull(b_ch_3.findByName("char_flags"));
		assertNotNull(b_ch_4.findByName("char_flags"));
		
		// Now add in on 3, should go to front
		assertEquals(2, b_ch_3.getTextPropList().size());
		TextProp new_cftp = b_ch_3.addWithName("char_flags");
		assertEquals(3, b_ch_3.getTextPropList().size());
		assertEquals(new_cftp, b_ch_3.getTextPropList().get(0));
		
		// alignment: 1 does have, 2 doesn't
		assertNotNull(b_p_1.findByName("alignment"));
		assertNull(b_p_2.findByName("alignment"));
		
		// Now add in on 2, should go to the front
		assertEquals(1, b_p_2.getTextPropList().size());
		TextProp new_al = b_p_2.addWithName("alignment");
		assertEquals(2, b_p_2.getTextPropList().size());
		assertEquals(new_al, b_p_2.getTextPropList().get(0));
		
		// This should go at the end
		TextProp new_sa = b_p_2.addWithName("spaceafter");
		assertEquals(3, b_p_2.getTextPropList().size());
		assertEquals(new_sa, b_p_2.getTextPropList().get(2));
		
		// Check we get an error with a made up one
		try {
			b_p_2.addWithName("madeUpOne");
			fail();
		} catch(IllegalArgumentException e) {
			// Good, as expected
		}
	}
	
	/**
	 * Try to recreate an existing StyleTextPropAtom (a) from the empty
	 *  constructor, and setting the required properties
	 */
	public void testCreateAFromScatch() throws Exception {
		// Start with an empty one
		StyleTextPropAtom stpa = new StyleTextPropAtom(54);
		
		// Don't need to touch the paragraph styles
		// Add two more character styles
		LinkedList cs = stpa.getCharacterStyles();
		
		// First char style is boring, and 21 long
		TextPropCollection tpca = (TextPropCollection)cs.get(0);
		tpca.updateTextSize(21);
		
		// Second char style is coloured, 00 00 00 05, and 17 long
		TextPropCollection tpcb = stpa.addCharacterTextPropCollection(17);
		TextProp tpb = tpcb.addWithName("font.color");
		tpb.setValue(0x05000000);
		
		// Third char style is coloured, FF 33 00 FE, and 16 long
		TextPropCollection tpcc = stpa.addCharacterTextPropCollection(16);
		TextProp tpc = tpcc.addWithName("font.color");
		tpc.setValue(0xFE0033FF);
		
		// Should now be the same as data_a
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		stpa.writeOut(baos);
		byte[] b = baos.toByteArray();

		assertEquals(data_a.length, b.length);
		for(int i=0; i<data_a.length; i++) {
			assertEquals(data_a[i],b[i]);
		}
	}

	/**
	 * Try to recreate an existing StyleTextPropAtom (b) from the empty
	 *  constructor, and setting the required properties
	 */
	public void testCreateBFromScatch() throws Exception {
		// Start with an empty one
		StyleTextPropAtom stpa = new StyleTextPropAtom(data_b_text_len);
		
		
		// Need 4 paragraph styles
		LinkedList ps = stpa.getParagraphStyles();
		
		// First is 30 long, left aligned, normal spacing
		TextPropCollection tppa = (TextPropCollection)ps.get(0);
		tppa.updateTextSize(30);
		
		TextProp tp = tppa.addWithName("alignment");
		tp.setValue(0);
		tp = tppa.addWithName("linespacing");
		tp.setValue(80);

		// Second is 28 long, centre aligned and normal spacing
		TextPropCollection tppb = stpa.addParagraphTextPropCollection(28);
		
		tp = tppb.addWithName("linespacing");
		tp.setValue(80);
		
		// Third is 25 long, right aligned and normal spacing
		TextPropCollection tppc = stpa.addParagraphTextPropCollection(25);
		
		tp = tppc.addWithName("alignment");
		tp.setValue(2);
		tp = tppc.addWithName("linespacing");
		tp.setValue(80);
		
		// Forth is left aligned + normal line spacing (despite differing font)
		TextPropCollection tppd = stpa.addParagraphTextPropCollection(97);
		
		tp = tppd.addWithName("alignment");
		tp.setValue(0);
		tp = tppd.addWithName("linespacing");
		tp.setValue(80);
		
		
		// Now do 4 character styles
		LinkedList cs = stpa.getCharacterStyles();
		
		// First is 30 long, bold and font size
		TextPropCollection tpca = (TextPropCollection)cs.get(0);
		tpca.updateTextSize(30);
		
		tp = tpca.addWithName("font.size");
		tp.setValue(20);
		CharFlagsTextProp cftp = (CharFlagsTextProp)
			tpca.addWithName("char_flags");
		assertEquals(0, cftp.getValue());
		cftp.setSubValue(true, CharFlagsTextProp.BOLD_IDX);
		assertEquals(1, cftp.getValue());
		
		// Second is 28 long, blue and italic
		TextPropCollection tpcb = stpa.addCharacterTextPropCollection(28);
		
		tp = tpcb.addWithName("font.size");
		tp.setValue(20);
		tp = tpcb.addWithName("font.color");
		tp.setValue(0x05000000);
		cftp = (CharFlagsTextProp)tpcb.addWithName("char_flags");
		cftp.setSubValue(true, CharFlagsTextProp.ITALIC_IDX);
		assertEquals(2, cftp.getValue());
		
		// Third is 25 long and red
		TextPropCollection tpcc = stpa.addCharacterTextPropCollection(25);
		
		tp = tpcc.addWithName("font.size");
		tp.setValue(20);
		tp = tpcc.addWithName("font.color");
		tp.setValue(0xfe0033ff);
		
		// Fourth is 96 long, underlined and different+bigger font 
		TextPropCollection tpcd = stpa.addCharacterTextPropCollection(96);
		
		tp = tpcd.addWithName("font.size");
		tp.setValue(24);
		tp = tpcd.addWithName("font.index");
		tp.setValue(1);
		cftp = (CharFlagsTextProp)tpcd.addWithName("char_flags");
		cftp.setSubValue(true, CharFlagsTextProp.UNDERLINE_IDX);
		assertEquals(4, cftp.getValue());
		
		// Fifth is 1 long, underlined and different+bigger font + red
		TextPropCollection tpce = stpa.addCharacterTextPropCollection(1);
		
		tp = tpce.addWithName("font.size");
		tp.setValue(24);
		tp = tpce.addWithName("font.index");
		tp.setValue(1);
		tp = tpce.addWithName("font.color");
		tp.setValue(0xfe0033ff);
		cftp = (CharFlagsTextProp)tpce.addWithName("char_flags");
		cftp.setSubValue(true, CharFlagsTextProp.UNDERLINE_IDX);
		assertEquals(4, cftp.getValue());
		
		
		// Check it's as expected
		assertEquals(4, stpa.getParagraphStyles().size());
		assertEquals(5, stpa.getCharacterStyles().size());
		
		// Compare in detail to b
		StyleTextPropAtom stpb = new StyleTextPropAtom(data_b,0,data_b.length);
		stpb.setParentTextSize(data_b_text_len);
		LinkedList psb = stpb.getParagraphStyles();
		LinkedList csb = stpb.getCharacterStyles();
		
		assertEquals(psb.size(), ps.size());
		assertEquals(csb.size(), cs.size());
		
		// Ensure Paragraph Character styles match
		for(int z=0; z<2; z++) {
			LinkedList lla = cs; 
			LinkedList llb = csb;
			int upto = 5;
			if(z == 1) {
				lla = ps;
				llb = psb;
				upto = 4;
			}
			
			for(int i=0; i<upto; i++) {
				TextPropCollection ca = (TextPropCollection)lla.get(i);
				TextPropCollection cb = (TextPropCollection)llb.get(i);
				
				assertEquals(ca.getCharactersCovered(), cb.getCharactersCovered());
				assertEquals(ca.getTextPropList().size(), cb.getTextPropList().size());
				
				for(int j=0; j<ca.getTextPropList().size(); j++) {
					TextProp tpa = (TextProp)ca.getTextPropList().get(j);
					TextProp tpb = (TextProp)cb.getTextPropList().get(j);
					//System.out.println("TP " + i + " " + j + " " + tpa.getName() + "\t" + tpa.getValue() );
					assertEquals(tpa.getName(), tpb.getName());
					assertEquals(tpa.getMask(), tpb.getMask());
					assertEquals(tpa.getWriteMask(), tpb.getWriteMask());
					assertEquals(tpa.getValue(), tpb.getValue());
				}
				
				ByteArrayOutputStream ba = new ByteArrayOutputStream();
				ByteArrayOutputStream bb = new ByteArrayOutputStream();
				
				ca.writeOut(ba);
				cb.writeOut(bb);
				byte[] cab = ba.toByteArray(); 
				byte[] cbb = bb.toByteArray();
				
				assertEquals(cbb.length, cab.length);
				for(int j=0; j<cab.length; j++) {
					//System.out.println("On tp " + z + " " + i + " " + j + "\t" + cab[j] + "\t" + cbb[j]);
					assertEquals(cbb[j], cab[j]);
				}
			}
		}
		

		
		// Check byte level with b
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		stpa.writeOut(baos);
		byte[] b = baos.toByteArray();

		assertEquals(data_b.length, b.length);
		for(int i=0; i<data_b.length; i++) {
			System.out.println(i + "\t" + b[i] + "\t" + data_b[i] + "\t" + Integer.toHexString(b[i]) );
			assertEquals(data_b[i],b[i]);
		}
	}

	public void testWriteA() throws Exception {
		StyleTextPropAtom stpa = new StyleTextPropAtom(data_a,0,data_a.length);
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		stpa.writeOut(baos);
		byte[] b = baos.toByteArray();

		assertEquals(data_a.length, b.length);
		for(int i=0; i<data_a.length; i++) {
			assertEquals(data_a[i],b[i]);
		}
	}

	public void testLoadWriteA() throws Exception {
		StyleTextPropAtom stpa = new StyleTextPropAtom(data_a,0,data_a.length);
		stpa.setParentTextSize(data_a_text_len);

		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		stpa.writeOut(baos);
		byte[] b = baos.toByteArray();

		assertEquals(data_a.length, b.length);
		for(int i=0; i<data_a.length; i++) {
			assertEquals(data_a[i],b[i]);
		}
	}


	public void testWriteB() throws Exception {
		StyleTextPropAtom stpb = new StyleTextPropAtom(data_b,0,data_b.length);
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		stpb.writeOut(baos);
		byte[] b = baos.toByteArray();

		assertEquals(data_b.length, b.length);
		for(int i=0; i<data_b.length; i++) {
			assertEquals(data_b[i],b[i]);
		}
	}

	public void testLoadWriteB() throws Exception {
		StyleTextPropAtom stpb = new StyleTextPropAtom(data_b,0,data_b.length);
		stpb.setParentTextSize(data_b_text_len);

		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		stpb.writeOut(baos);
		byte[] b = baos.toByteArray();

		assertEquals(data_b.length, b.length);
		for(int i=0; i<data_b.length; i++) {
			//System.out.println(i + "\t" + b[i] + "\t" + data_b[i] + "\t" + Integer.toHexString(b[i]) );
			assertEquals(data_b[i],b[i]);
		}
	}
	
	
	public void testNotEnoughDataProp() throws Exception {
		// We don't have enough data in the record to cover
		//  all the properties the mask says we have
		// Make sure we just do the best we can
		StyleTextPropAtom stpc = new StyleTextPropAtom(data_c,0,data_c.length);
		stpc.setParentTextSize(data_c_text_len);
		
		// If we get here, we didn't break
	}

    /**
     * Check the test data for Bug 40143.
     */
    public void testBug40143() throws Exception {
        StyleTextPropAtom atom = new StyleTextPropAtom(data_d, 0, data_d.length);
        atom.setParentTextSize(data_d_text_len);

        TextPropCollection prprops = (TextPropCollection)atom.getParagraphStyles().getFirst();
        assertEquals(data_d_text_len+1, prprops.getCharactersCovered());
        assertEquals(1, prprops.getTextPropList().size()); //1 property found
        assertEquals(1, prprops.findByName("alignment").getValue());

        TextPropCollection chprops = (TextPropCollection)atom.getCharacterStyles().getFirst();
        assertEquals(data_d_text_len+1, chprops.getCharactersCovered());
        assertEquals(5, chprops.getTextPropList().size()); //5 properties found
        assertEquals(1, chprops.findByName("char_flags").getValue());
        assertEquals(1, chprops.findByName("font.index").getValue());
        assertEquals(20, chprops.findByName("font.size").getValue());
        assertEquals(0, chprops.findByName("asian_or_complex").getValue());
        assertEquals(1, chprops.findByName("char_unknown_2").getValue());
    }

    /**
     * Check the test data for Bug 42677.
     */
     public void test42677() throws Exception {
        int length = 18;
        byte[] data = {0x00, 0x00, (byte)0xA1, 0x0F, 0x28, 0x00, 0x00, 0x00,
                       0x13, 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , (byte)0xF1 , 0x20 , 0x00, 0x00 , 0x00 , 0x00 ,
                       0x22 , 0x20 , 0x00 , 0x00 , 0x64 , 0x00 , 0x00 , 0x00 , 0x00 , (byte)0xFF ,
                       0x00 , 0x00 , 0x13 , 0x00 , 0x00 , 0x00 , 0x00 , 0x00 , 0x63 , 0x00 ,
                       0x00 , 0x00 , 0x01 , 0x00 , 0x00 , 0x00 , 0x0F , 0x00
        };
        StyleTextPropAtom stpa = new StyleTextPropAtom(data,0,data.length);
        stpa.setParentTextSize(length);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        stpa.writeOut(baos);
        byte[] b = baos.toByteArray();

        assertEquals(data.length, b.length);
        for(int i=0; i<data.length; i++) {
            assertEquals(data[i],b[i]);
        }

    }
}