testcellrange.java

来自「EXCEL read and write」· Java 代码 · 共 182 行

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package org.apache.poi.hssf.record.cf;

import org.apache.poi.hssf.util.CellRangeAddress;

import junit.framework.AssertionFailedError;
import junit.framework.TestCase;

/**
 * Tests CellRange operations.
 */
public final class TestCellRange extends TestCase
{
	private static final CellRangeAddress biggest     = createCR( 0, -1, 0,-1);
	private static final CellRangeAddress tenthColumn = createCR( 0, -1,10,10);
	private static final CellRangeAddress tenthRow    = createCR(10, 10, 0,-1);
	private static final CellRangeAddress box10x10    = createCR( 0, 10, 0,10);
	private static final CellRangeAddress box9x9      = createCR( 0,  9, 0, 9);
	private static final CellRangeAddress box10to20c  = createCR( 0, 10,10,20);
	private static final CellRangeAddress oneCell     = createCR(10, 10,10,10);

	private static final CellRangeAddress[] sampleRanges = {
		biggest, tenthColumn, tenthRow, box10x10, box9x9, box10to20c, oneCell,
	};
	
	/** cross-reference of <tt>contains()</tt> operations for sampleRanges against itself */
	private static final boolean [][] containsExpectedResults = 
    {
	//               biggest, tenthColumn, tenthRow, box10x10, box9x9, box10to20c, oneCell
	/*biggest    */ {true,       true ,    true ,    true ,    true ,      true ,  true},	
	/*tenthColumn*/ {false,      true ,    false,    false,    false,      false,  true},	
	/*tenthRow   */ {false,      false,    true ,    false,    false,      false,  true},	
	/*box10x10   */ {false,      false,    false,    true ,    true ,      false,  true},	
	/*box9x9     */ {false,      false,    false,    false,    true ,      false, false},	
	/*box10to20c */ {false,      false,    false,    false,    false,      true ,  true},	
	/*oneCell    */ {false,      false,    false,    false,    false,      false,  true},	
     } ;

	/**
	 * @param lastRow pass -1 for max row index 
	 * @param lastCol pass -1 for max col index
	 */
	private static CellRangeAddress createCR(int firstRow, int lastRow, int firstCol, int lastCol) {
		// max row & max col limit as per BIFF8
		return new CellRangeAddress(
				firstRow, 
				lastRow == -1 ? 0xFFFF : lastRow, 
				firstCol,
				lastCol == -1 ? 0x00FF : lastCol);
	}
	
	public void testContainsMethod()
	{
		CellRangeAddress [] ranges = sampleRanges;
		for(int i=0; i!=ranges.length;i++)
		{
			for(int j=0; j!=ranges.length;j++)
			{
				boolean expectedResult = containsExpectedResults[i][j];
				assertEquals("("+i+","+j+"): ", expectedResult, CellRangeUtil.contains(ranges[i], ranges[j]));
			}
		}
	}

	private static final CellRangeAddress col1     = createCR( 0, -1, 1,1);
	private static final CellRangeAddress col2     = createCR( 0, -1, 2,2);
	private static final CellRangeAddress row1     = createCR( 1,  1, 0,-1);
	private static final CellRangeAddress row2     = createCR( 2,  2, 0,-1);

	private static final CellRangeAddress box0     = createCR( 0, 2, 0,2);
	private static final CellRangeAddress box1     = createCR( 0, 1, 0,1);
	private static final CellRangeAddress box2     = createCR( 0, 1, 2,3);
	private static final CellRangeAddress box3     = createCR( 2, 3, 0,1);
	private static final CellRangeAddress box4     = createCR( 2, 3, 2,3);
	private static final CellRangeAddress box5     = createCR( 1, 3, 1,3);

	public void testHasSharedBorderMethod()
	{
		assertFalse(CellRangeUtil.hasExactSharedBorder(col1, col1));
		assertFalse(CellRangeUtil.hasExactSharedBorder(col2, col2));
		assertTrue(CellRangeUtil.hasExactSharedBorder(col1, col2));
		assertTrue(CellRangeUtil.hasExactSharedBorder(col2, col1));

		assertFalse(CellRangeUtil.hasExactSharedBorder(row1, row1));
		assertFalse(CellRangeUtil.hasExactSharedBorder(row2, row2));
		assertTrue(CellRangeUtil.hasExactSharedBorder(row1, row2));
		assertTrue(CellRangeUtil.hasExactSharedBorder(row2, row1));
		
		assertFalse(CellRangeUtil.hasExactSharedBorder(row1, col1));
		assertFalse(CellRangeUtil.hasExactSharedBorder(row1, col2));
		assertFalse(CellRangeUtil.hasExactSharedBorder(col1, row1));
		assertFalse(CellRangeUtil.hasExactSharedBorder(col2, row1));
		assertFalse(CellRangeUtil.hasExactSharedBorder(row2, col1));
		assertFalse(CellRangeUtil.hasExactSharedBorder(row2, col2));
		assertFalse(CellRangeUtil.hasExactSharedBorder(col1, row2));
		assertFalse(CellRangeUtil.hasExactSharedBorder(col2, row2));
		assertTrue(CellRangeUtil.hasExactSharedBorder(col2, col1));
		
		assertFalse(CellRangeUtil.hasExactSharedBorder(box1, box1));
		assertTrue(CellRangeUtil.hasExactSharedBorder(box1, box2));
		assertTrue(CellRangeUtil.hasExactSharedBorder(box1, box3));
		assertFalse(CellRangeUtil.hasExactSharedBorder(box1, box4));
		
		assertTrue(CellRangeUtil.hasExactSharedBorder(box2, box1));
		assertFalse(CellRangeUtil.hasExactSharedBorder(box2, box2));
		assertFalse(CellRangeUtil.hasExactSharedBorder(box2, box3));
		assertTrue(CellRangeUtil.hasExactSharedBorder(box2, box4));
		
		assertTrue(CellRangeUtil.hasExactSharedBorder(box3, box1));
		assertFalse(CellRangeUtil.hasExactSharedBorder(box3, box2));
		assertFalse(CellRangeUtil.hasExactSharedBorder(box3, box3));
		assertTrue(CellRangeUtil.hasExactSharedBorder(box3, box4));
		
		assertFalse(CellRangeUtil.hasExactSharedBorder(box4, box1));
		assertTrue(CellRangeUtil.hasExactSharedBorder(box4, box2));
		assertTrue(CellRangeUtil.hasExactSharedBorder(box4, box3));
		assertFalse(CellRangeUtil.hasExactSharedBorder(box4, box4));
	}

	public void testIntersectMethod()
	{
		assertEquals(CellRangeUtil.OVERLAP, CellRangeUtil.intersect(box0, box5));
		assertEquals(CellRangeUtil.OVERLAP, CellRangeUtil.intersect(box5, box0));
		assertEquals(CellRangeUtil.NO_INTERSECTION, CellRangeUtil.intersect(box1, box4));
		assertEquals(CellRangeUtil.NO_INTERSECTION, CellRangeUtil.intersect(box4, box1));
		assertEquals(CellRangeUtil.NO_INTERSECTION, CellRangeUtil.intersect(box2, box3));
		assertEquals(CellRangeUtil.NO_INTERSECTION, CellRangeUtil.intersect(box3, box2));
		assertEquals(CellRangeUtil.INSIDE, CellRangeUtil.intersect(box0, box1));
		assertEquals(CellRangeUtil.INSIDE, CellRangeUtil.intersect(box0, box0));
		assertEquals(CellRangeUtil.ENCLOSES, CellRangeUtil.intersect(box1, box0));
		assertEquals(CellRangeUtil.INSIDE, CellRangeUtil.intersect(tenthColumn, oneCell));
		assertEquals(CellRangeUtil.ENCLOSES, CellRangeUtil.intersect(oneCell, tenthColumn));
		assertEquals(CellRangeUtil.OVERLAP, CellRangeUtil.intersect(tenthColumn, tenthRow));
		assertEquals(CellRangeUtil.OVERLAP, CellRangeUtil.intersect(tenthRow, tenthColumn));
		assertEquals(CellRangeUtil.INSIDE, CellRangeUtil.intersect(tenthColumn, tenthColumn));
		assertEquals(CellRangeUtil.INSIDE, CellRangeUtil.intersect(tenthRow, tenthRow));
	}
	
	/**
	 * Cell ranges like the following are valid
	 * =$C:$IV,$B$1:$B$8,$B$10:$B$65536,$A:$A
	 */
	public void testCreate() {
		CellRangeAddress cr;
		
		cr = createCR(0, -1, 2, 255); // $C:$IV
		confirmRange(cr, false, true);
		cr = createCR(0, 7, 1, 1); // $B$1:$B$8
		
		try {
			cr = createCR(9, -1, 1, 1); // $B$65536
		} catch (IllegalArgumentException e) {
			if(e.getMessage().startsWith("invalid cell range")) {
				throw new AssertionFailedError("Identified bug 44739");
			}
			throw e;
		}
		cr = createCR(0, -1, 0, 0); // $A:$A
	}

	private static void confirmRange(CellRangeAddress cr, boolean isFullRow, boolean isFullColumn) {
		assertEquals("isFullRowRange", isFullRow, cr.isFullRowRange());
		assertEquals("isFullColumnRange", isFullColumn, cr.isFullColumnRange());
	}
}