poi/src/scratchpad/testcases/org/apache/poi/hslf/model/TestTable.java

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   this work for additional information regarding copyright ownership.
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package org.apache.poi.hslf.model;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.List;

import org.apache.poi.POIDataSamples;
import org.apache.poi.hslf.record.TextHeaderAtom;
import org.apache.poi.hslf.usermodel.HSLFShape;
import org.apache.poi.hslf.usermodel.HSLFSlide;
import org.apache.poi.hslf.usermodel.HSLFSlideShow;
import org.apache.poi.hslf.usermodel.HSLFTable;
import org.apache.poi.hslf.usermodel.HSLFTableCell;
import org.apache.poi.sl.usermodel.Shape;
import org.apache.poi.sl.usermodel.Slide;
import org.apache.poi.sl.usermodel.SlideShow;
import org.apache.poi.sl.usermodel.TableShape;
import org.junit.Test;

/**
 * Test <code>Table</code> object.
 */
public final class TestTable {
    private static POIDataSamples _slTests = POIDataSamples.getSlideShowInstance();

    /**
     * Test that ShapeFactory works properly and returns <code>Table</code>
     */
    @Test
    public void testShapeFactory() throws IOException {
        HSLFSlideShow ppt = new HSLFSlideShow();

        HSLFSlide slide = ppt.createSlide();

        HSLFTable tbl = slide.createTable(2, 5);

        HSLFTableCell cell = tbl.getCell(0, 0);
        //table cells have type=TextHeaderAtom.OTHER_TYPE, see bug #46033
        assertEquals(TextHeaderAtom.OTHER_TYPE, cell.getTextParagraphs().get(0).getRunType());

        HSLFShape tblSh = slide.getShapes().get(0);
        assertTrue(tblSh instanceof HSLFTable);
        HSLFTable tbl2 = (HSLFTable)tblSh;
        assertEquals(tbl.getNumberOfColumns(), tbl2.getNumberOfColumns());
        assertEquals(tbl.getNumberOfRows(), tbl2.getNumberOfRows());

        ByteArrayOutputStream out = new ByteArrayOutputStream();
        ppt.write(out);
        out.close();
        ppt.close();
        
        ppt = new HSLFSlideShow(new ByteArrayInputStream(out.toByteArray()));
        slide = ppt.getSlides().get(0);
        assertTrue(slide.getShapes().get(0) instanceof HSLFTable);
        HSLFTable tbl3 = (HSLFTable)slide.getShapes().get(0);
        assertEquals(tbl.getNumberOfColumns(), tbl3.getNumberOfColumns());
        assertEquals(tbl.getNumberOfRows(), tbl3.getNumberOfRows());
        ppt.close();
    }

    /**
     * Error constructing Table when rownum=1
     */
    @Test
    public void test45889() throws IOException {
        HSLFSlideShow ppt = new HSLFSlideShow();
        HSLFSlide slide = ppt.createSlide();
        List<HSLFShape> shapes;
        HSLFTable tbl1 = slide.createTable(1, 5);
        assertEquals(5, tbl1.getNumberOfColumns());
        assertEquals(1, tbl1.getNumberOfRows());

        shapes = slide.getShapes();
        assertEquals(1, shapes.size());

        HSLFTable tbl2 = (HSLFTable)shapes.get(0);
        assertSame(tbl1.getSpContainer(), tbl2.getSpContainer());

        assertEquals(tbl1.getNumberOfColumns(), tbl2.getNumberOfColumns());
        assertEquals(tbl1.getNumberOfRows(), tbl2.getNumberOfRows());
        ppt.close();
    }

    @Test(expected=IllegalArgumentException.class)
    public void testIllegalRowCnstruction() throws IOException {
        HSLFSlideShow ppt = new HSLFSlideShow();
        HSLFSlide slide = ppt.createSlide();
        slide.createTable(0, 5);
        fail("Table(rownum, colnum) must throw IllegalArgumentException if any of tghe arguments is less than 1");
        ppt.close();
    }

    @Test(expected=IllegalArgumentException.class)
    public void testIllegalColConstruction() throws IOException {
        HSLFSlideShow ppt = new HSLFSlideShow();
        HSLFSlide slide = ppt.createSlide();
        slide.createTable(5, 0);
        fail("Table(rownum, colnum) must throw IllegalArgumentException if any of tghe arguments is less than 1");
        ppt.close();
    }
    
    /**
     * Bug 57820: initTable throws NullPointerException
     * when the table is positioned with its top at -1
     */
    @Test
    public void test57820() throws IOException {
        SlideShow<?,?> ppt = new HSLFSlideShow(_slTests.openResourceAsStream("bug57820-initTableNullRefrenceException.ppt"));

        List<? extends Slide<?,?>> slides = ppt.getSlides();
        assertEquals(1, slides.size());

        List<? extends Shape<?,?>> shapes = slides.get(0).getShapes(); //throws NullPointerException

        TableShape<?,?> tbl = null;
        for(Shape<?,?> s : shapes) {
            if(s instanceof TableShape) {
                tbl = (TableShape<?,?>)s;
                break;
            }
        }

        assertNotNull(tbl);
        assertEquals(-1, tbl.getAnchor().getY(), 0);
        
        ppt.close();
    }
}