poi/src/scratchpad/testcases/org/apache/poi/hwpf/usermodel/TestProblems.java

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package org.apache.poi.hwpf.usermodel;

import org.apache.poi.EncryptedDocumentException;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.hwpf.HWPFTestCase;
import org.apache.poi.hwpf.HWPFTestDataSamples;
import org.apache.poi.hwpf.model.StyleSheet;

/**
 * Test various problem documents
 *
 * @author Nick Burch (nick at torchbox dot com)
 */
public final class TestProblems extends HWPFTestCase {

   /**
    * ListEntry passed no ListTable
    */
   public void testListEntryNoListTable() {
      HWPFDocument doc = HWPFTestDataSamples.openSampleFile("ListEntryNoListTable.doc");

      Range r = doc.getRange();
      StyleSheet styleSheet = doc.getStyleSheet();
      for (int x = 0; x < r.numSections(); x++) {
         Section s = r.getSection(x);
         for (int y = 0; y < s.numParagraphs(); y++) {
            Paragraph paragraph = s.getParagraph(y);
            // System.out.println(paragraph.getCharacterRun(0).text());
         }
      }
   }

   /**
    * AIOOB for TableSprmUncompressor.unCompressTAPOperation
    */
   public void testSprmAIOOB() {
      HWPFDocument doc = HWPFTestDataSamples.openSampleFile("AIOOB-Tap.doc");

      Range r = doc.getRange();
      StyleSheet styleSheet = doc.getStyleSheet();
      for (int x = 0; x < r.numSections(); x++) {
         Section s = r.getSection(x);
         for (int y = 0; y < s.numParagraphs(); y++) {
            Paragraph paragraph = s.getParagraph(y);
            // System.out.println(paragraph.getCharacterRun(0).text());
         }
      }
   }

   /**
    * Test for TableCell not skipping the last paragraph. Bugs #45062 and
    * #44292
    */
   public void testTableCellLastParagraph() {
      HWPFDocument doc = HWPFTestDataSamples.openSampleFile("Bug44292.doc");
      Range r = doc.getRange();
      assertEquals(6, r.numParagraphs());
      assertEquals(0, r.getStartOffset());
      assertEquals(87, r.getEndOffset());

      // Paragraph with table
      Paragraph p = r.getParagraph(0);
      assertEquals(0, p.getStartOffset());
      assertEquals(20, p.getEndOffset());

      // Check a few bits of the table directly
      assertEquals("One paragraph is ok\7", r.getParagraph(0).text());
      assertEquals("First para is ok\r", r.getParagraph(1).text());
      assertEquals("Second paragraph is skipped\7", r.getParagraph(2).text());
      assertEquals("One paragraph is ok\7", r.getParagraph(3).text());
      assertEquals("\7", r.getParagraph(4).text());
      assertEquals("\r", r.getParagraph(5).text());
      for(int i=0; i<=5; i++) {
         assertFalse(r.getParagraph(i).usesUnicode());
      }


      // Get the table
      Table t = r.getTable(p);

      // get the only row
      assertEquals(1, t.numRows());
      TableRow row = t.getRow(0);

      // sanity check our row
      assertEquals(5, row.numParagraphs());
      assertEquals(0, row._parStart);
      assertEquals(5, row._parEnd);
      assertEquals(0, row.getStartOffset());
      assertEquals(87, row.getEndOffset());


      // get the first cell
      TableCell cell = row.getCell(0);
      // First cell should have one paragraph
      assertEquals(1, cell.numParagraphs());
      assertEquals("One paragraph is ok\7", cell.getParagraph(0).text());
      assertEquals(0, cell._parStart);
      assertEquals(1, cell._parEnd);
      assertEquals(0, cell.getStartOffset());
      assertEquals(20, cell.getEndOffset());


      // get the second
      cell = row.getCell(1);
      // Second cell should be detected as having two paragraphs
      assertEquals(2, cell.numParagraphs());
      assertEquals("First para is ok\r", cell.getParagraph(0).text());
      assertEquals("Second paragraph is skipped\7", cell.getParagraph(1).text());
      assertEquals(1, cell._parStart);
      assertEquals(3, cell._parEnd);
      assertEquals(20, cell.getStartOffset());
      assertEquals(65, cell.getEndOffset());


      // get the last cell
      cell = row.getCell(2);
      // Last cell should have one paragraph
      assertEquals(1, cell.numParagraphs());
      assertEquals("One paragraph is ok\7", cell.getParagraph(0).text());
      assertEquals(3, cell._parStart);
      assertEquals(4, cell._parEnd);
      assertEquals(65, cell.getStartOffset());
      assertEquals(85, cell.getEndOffset());
   }

   public void testRangeDelete() {
      HWPFDocument doc = HWPFTestDataSamples.openSampleFile("Bug28627.doc");

      Range range = doc.getRange();
      int numParagraphs = range.numParagraphs();

      int totalLength = 0, deletedLength = 0;

      for (int i = 0; i < numParagraphs; i++) {
         Paragraph para = range.getParagraph(i);
         String text = para.text();

         totalLength += text.length();
         if (text.indexOf("{delete me}") > -1) {
            para.delete();
            deletedLength = text.length();
         }
      }

      // check the text length after deletion
      int newLength = 0;
      range = doc.getRange();
      numParagraphs = range.numParagraphs();

      for (int i = 0; i < numParagraphs; i++) {
         Paragraph para = range.getParagraph(i);
         String text = para.text();

         newLength += text.length();
      }

      assertEquals(newLength, totalLength - deletedLength);
   }

   /**
    * With an encrypted file, we should give a suitable exception, and not OOM
    */
   public void testEncryptedFile() {
      try {
         HWPFTestDataSamples.openSampleFile("PasswordProtected.doc");
         fail();
      } catch (EncryptedDocumentException e) {
         // Good
      }
   }

   public void testWriteProperties() {
      HWPFDocument doc = HWPFTestDataSamples.openSampleFile("SampleDoc.doc");
      assertEquals("Nick Burch", doc.getSummaryInformation().getAuthor());

      // Write and read
      HWPFDocument doc2 = writeOutAndRead(doc);
      assertEquals("Nick Burch", doc2.getSummaryInformation().getAuthor());
   }

   /**
    * Test for reading paragraphs from Range after replacing some 
    * text in this Range.
    * Bug #45269
    */
   public void testReadParagraphsAfterReplaceText()throws Exception{
      HWPFDocument doc = HWPFTestDataSamples.openSampleFile("Bug45269.doc");
      Range range = doc.getRange();

      String toFind = "campo1";
      String longer = " foi porraaaaa ";
      String shorter = " foi ";

      //check replace with longer text
      for (int x = 0; x < range.numParagraphs(); x++) {
         Paragraph para = range.getParagraph(x);
         int offset = para.text().indexOf(toFind);
         if (offset >= 0) {
            para.replaceText(toFind, longer, offset);
            assertEquals(offset, para.text().indexOf(longer));
         }
      }

      doc = HWPFTestDataSamples.openSampleFile("Bug45269.doc");
      range = doc.getRange();

      //check replace with shorter text
      for (int x = 0; x < range.numParagraphs(); x++) {
         Paragraph para = range.getParagraph(x);
         int offset = para.text().indexOf(toFind);
         if (offset >= 0) {
            para.replaceText(toFind, shorter, offset);
            assertEquals(offset, para.text().indexOf(shorter));
         }
      }
   }

   /**
    * Bug #48245 - don't include the text from the
    *  next cell in the current one
    */
   public void testTableIterator() throws Exception {
      HWPFDocument doc = HWPFTestDataSamples.openSampleFile("simple-table2.doc");
      Range r = doc.getRange();

      // Check the text is as we'd expect
      assertEquals(13, r.numParagraphs());
      assertEquals("Row 1/Cell 1\u0007", r.getParagraph(0).text());
      assertEquals("Row 1/Cell 2\u0007", r.getParagraph(1).text());
      assertEquals("Row 1/Cell 3\u0007", r.getParagraph(2).text());
      assertEquals("\u0007", r.getParagraph(3).text());
      assertEquals("Row 2/Cell 1\u0007", r.getParagraph(4).text());
      assertEquals("Row 2/Cell 2\u0007", r.getParagraph(5).text());
      assertEquals("Row 2/Cell 3\u0007", r.getParagraph(6).text());
      assertEquals("\u0007", r.getParagraph(7).text());
      assertEquals("Row 3/Cell 1\u0007", r.getParagraph(8).text());
      assertEquals("Row 3/Cell 2\u0007", r.getParagraph(9).text());
      assertEquals("Row 3/Cell 3\u0007", r.getParagraph(10).text());
      assertEquals("\u0007", r.getParagraph(11).text());
      assertEquals("\r", r.getParagraph(12).text());
      for(int i=0; i<=12; i++) {
         assertFalse(r.getParagraph(i).usesUnicode());
      }

      Paragraph p;

      // Take a look in detail at the first couple of
      //  paragraphs
      p = r.getParagraph(0);
      assertEquals(1,  p.numParagraphs());
      assertEquals(0,  p.getStartOffset());
      assertEquals(13, p.getEndOffset());
      assertEquals(0,  p._parStart);
      assertEquals(1,  p._parEnd);

      p = r.getParagraph(1);
      assertEquals(1,  p.numParagraphs());
      assertEquals(13, p.getStartOffset());
      assertEquals(26, p.getEndOffset());
      assertEquals(1,  p._parStart);
      assertEquals(2,  p._parEnd);

      p = r.getParagraph(2);
      assertEquals(1,  p.numParagraphs());
      assertEquals(26, p.getStartOffset());
      assertEquals(39, p.getEndOffset());
      assertEquals(2,  p._parStart);
      assertEquals(3,  p._parEnd);


      // Now look at the table
      Table table = r.getTable(r.getParagraph(0));
      assertEquals(3, table.numRows());

      TableRow row;
      TableCell cell;


      row = table.getRow(0);
      assertEquals(0, row._parStart);
      assertEquals(4, row._parEnd);

      cell = row.getCell(0);
      assertEquals(1, cell.numParagraphs());
      assertEquals(0, cell._parStart);
      assertEquals(1, cell._parEnd);
      assertEquals(0, cell.getStartOffset());
      assertEquals(13, cell.getEndOffset());
      assertEquals("Row 1/Cell 1\u0007", cell.text());

      cell = row.getCell(1);
      assertEquals(1, cell.numParagraphs());
      assertEquals(1, cell._parStart);
      assertEquals(2, cell._parEnd);
      assertEquals(13, cell.getStartOffset());
      assertEquals(26, cell.getEndOffset());
      assertEquals("Row 1/Cell 2\u0007", cell.text());

      cell = row.getCell(2);
      assertEquals(1, cell.numParagraphs());
      assertEquals(2, cell._parStart);
      assertEquals(3, cell._parEnd);
      assertEquals(26, cell.getStartOffset());
      assertEquals(39, cell.getEndOffset());
      assertEquals("Row 1/Cell 3\u0007", cell.text());


      // Onto row #2
      row = table.getRow(1);
      assertEquals(4, row._parStart);
      assertEquals(8, row._parEnd);

      cell = row.getCell(0);
      assertEquals(1, cell.numParagraphs());
      assertEquals(4, cell._parStart);
      assertEquals(5, cell._parEnd);
      assertEquals(40, cell.getStartOffset());
      assertEquals(53, cell.getEndOffset());
      assertEquals("Row 2/Cell 1\u0007", cell.text());

      cell = row.getCell(1);
      assertEquals(1, cell.numParagraphs());
      assertEquals(5, cell._parStart);
      assertEquals(6, cell._parEnd);
      assertEquals(53, cell.getStartOffset());
      assertEquals(66, cell.getEndOffset());
      assertEquals("Row 2/Cell 2\u0007", cell.text());

      cell = row.getCell(2);
      assertEquals(1, cell.numParagraphs());
      assertEquals(6, cell._parStart);
      assertEquals(7, cell._parEnd);
      assertEquals(66, cell.getStartOffset());
      assertEquals(79, cell.getEndOffset());
      assertEquals("Row 2/Cell 3\u0007", cell.text());


      // Finally row 3
      row = table.getRow(2);
      assertEquals(8, row._parStart);
      assertEquals(12, row._parEnd);

      cell = row.getCell(0);
      assertEquals(1, cell.numParagraphs());
      assertEquals(8, cell._parStart);
      assertEquals(9, cell._parEnd);
      assertEquals(80, cell.getStartOffset());
      assertEquals(93, cell.getEndOffset());
      assertEquals("Row 3/Cell 1\u0007", cell.text());

      cell = row.getCell(1);
      assertEquals(1, cell.numParagraphs());
      assertEquals(9, cell._parStart);
      assertEquals(10, cell._parEnd);
      assertEquals(93, cell.getStartOffset());
      assertEquals(106, cell.getEndOffset());
      assertEquals("Row 3/Cell 2\u0007", cell.text());

      cell = row.getCell(2);
      assertEquals(1, cell.numParagraphs());
      assertEquals(10, cell._parStart);
      assertEquals(11, cell._parEnd);
      assertEquals(106, cell.getStartOffset());
      assertEquals(119, cell.getEndOffset());
      assertEquals("Row 3/Cell 3\u0007", cell.text());
   }
}