trunk/src/testcases/org/apache/poi/ss/util/TestCellReference.java

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   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
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package org.apache.poi.ss.util;

import org.apache.poi.ss.SpreadsheetVersion;
import org.apache.poi.ss.util.CellReference;

import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

/**
 * Tests that the common CellReference works as we need it to.
 * Note - some additional testing is also done in the HSSF class,
 *  {@link org.apache.poi.hssf.util.TestCellReference}
 */
public final class TestCellReference {
    @Test
    public void testConstructors() {
        CellReference cellReference;
        final String sheet = "Sheet1";
        final String cellRef = "A1";
        final int row = 0;
        final int col = 0;
        final boolean absRow = true;
        final boolean absCol = false;

        cellReference = new CellReference(row, col);
        assertEquals("A1", cellReference.formatAsString());

        cellReference = new CellReference(row, col, absRow, absCol);
        assertEquals("A$1", cellReference.formatAsString());

        cellReference = new CellReference(row, (short)col);
        assertEquals("A1", cellReference.formatAsString());

        cellReference = new CellReference(cellRef);
        assertEquals("A1", cellReference.formatAsString());

        cellReference = new CellReference(sheet, row, col, absRow, absCol);
        assertEquals("Sheet1!A$1", cellReference.formatAsString());
    }

    @Test
    public void testFormatAsString() {
        CellReference cellReference;

        cellReference = new CellReference(null, 0, 0, false, false);
        assertEquals("A1", cellReference.formatAsString());

        //absolute references
        cellReference = new CellReference(null, 0, 0, true, false);
        assertEquals("A$1", cellReference.formatAsString());

        //sheet name with no spaces
        cellReference = new CellReference("Sheet1", 0, 0, true, false);
        assertEquals("Sheet1!A$1", cellReference.formatAsString());

        //sheet name with spaces
        cellReference = new CellReference("Sheet 1", 0, 0, true, false);
        assertEquals("'Sheet 1'!A$1", cellReference.formatAsString());
    }

    @Test
    public void testGetCellRefParts() {
        CellReference cellReference;
        String[] parts;

        String cellRef = "A1";
        cellReference = new CellReference(cellRef);
        assertEquals(0, cellReference.getCol());
        parts = cellReference.getCellRefParts();
        assertNotNull(parts);
        assertEquals(null, parts[0]);
        assertEquals("1", parts[1]);
        assertEquals("A", parts[2]);

        cellRef = "AA1";
        cellReference = new CellReference(cellRef);
        assertEquals(26, cellReference.getCol());
        parts = cellReference.getCellRefParts();
        assertNotNull(parts);
        assertEquals(null, parts[0]);
        assertEquals("1", parts[1]);
        assertEquals("AA", parts[2]);

        cellRef = "AA100";
        cellReference = new CellReference(cellRef);
        assertEquals(26, cellReference.getCol());
        parts = cellReference.getCellRefParts();
        assertNotNull(parts);
        assertEquals(null, parts[0]);
        assertEquals("100", parts[1]);
        assertEquals("AA", parts[2]);

        cellRef = "AAA300";
        cellReference = new CellReference(cellRef);
        assertEquals(702, cellReference.getCol());
        parts = cellReference.getCellRefParts();
        assertNotNull(parts);
        assertEquals(null, parts[0]);
        assertEquals("300", parts[1]);
        assertEquals("AAA", parts[2]);

        cellRef = "ZZ100521";
        cellReference = new CellReference(cellRef);
        assertEquals(26*26+25, cellReference.getCol());
        parts = cellReference.getCellRefParts();
        assertNotNull(parts);
        assertEquals(null, parts[0]);
        assertEquals("100521", parts[1]);
        assertEquals("ZZ", parts[2]);

        cellRef = "ZYX987";
        cellReference = new CellReference(cellRef);
        assertEquals(26*26*26 + 25*26 + 24 - 1, cellReference.getCol());
        parts = cellReference.getCellRefParts();
        assertNotNull(parts);
        assertEquals(null, parts[0]);
        assertEquals("987", parts[1]);
        assertEquals("ZYX", parts[2]);

        cellRef = "AABC10065";
        cellReference = new CellReference(cellRef);
        parts = cellReference.getCellRefParts();
        assertNotNull(parts);
        assertEquals(null, parts[0]);
        assertEquals("10065", parts[1]);
        assertEquals("AABC", parts[2]);
    }

    @Test
    public void testGetColNumFromRef() {
        String cellRef = "A1";
        CellReference cellReference = new CellReference(cellRef);
        assertEquals(0, cellReference.getCol());

        cellRef = "AA1";
        cellReference = new CellReference(cellRef);
        assertEquals(26, cellReference.getCol());

        cellRef = "AB1";
        cellReference = new CellReference(cellRef);
        assertEquals(27, cellReference.getCol());

        cellRef = "BA1";
        cellReference = new CellReference(cellRef);
        assertEquals(26+26, cellReference.getCol());

        cellRef = "CA1";
        cellReference = new CellReference(cellRef);
        assertEquals(26+26+26, cellReference.getCol());

        cellRef = "ZA1";
        cellReference = new CellReference(cellRef);
        assertEquals(26*26, cellReference.getCol());

        cellRef = "ZZ1";
        cellReference = new CellReference(cellRef);
        assertEquals(26*26+25, cellReference.getCol());

        cellRef = "AAA1";
        cellReference = new CellReference(cellRef);
        assertEquals(26*26+26, cellReference.getCol());


        cellRef = "A1100";
        cellReference = new CellReference(cellRef);
        assertEquals(0, cellReference.getCol());

        cellRef = "BC15";
        cellReference = new CellReference(cellRef);
        assertEquals(54, cellReference.getCol());
    }

    @Test
    public void testGetRowNumFromRef() {
        String cellRef = "A1";
        CellReference cellReference = new CellReference(cellRef);
        assertEquals(0, cellReference.getRow());

        cellRef = "A12";
        cellReference = new CellReference(cellRef);
        assertEquals(11, cellReference.getRow());

        cellRef = "AS121";
        cellReference = new CellReference(cellRef);
        assertEquals(120, cellReference.getRow());
    }

    @Test
    public void testConvertNumToColString() {
        short col = 702;
        String collRef = new CellReference(0, col).formatAsString();
        assertEquals("AAA1", collRef);

        short col2 = 0;
        String collRef2 = new CellReference(0, col2).formatAsString();
        assertEquals("A1", collRef2);

        short col3 = 27;
        String collRef3 = new CellReference(0, col3).formatAsString();
        assertEquals("AB1", collRef3);

        short col4 = 2080;
        String collRef4 = new CellReference(0, col4).formatAsString();
        assertEquals("CBA1", collRef4);
    }

    @Test
    public void testBadRowNumber() {
        SpreadsheetVersion v97 = SpreadsheetVersion.EXCEL97;
        SpreadsheetVersion v2007 = SpreadsheetVersion.EXCEL2007;

        confirmCrInRange(true, "A", "1", v97);
        confirmCrInRange(true, "IV", "65536", v97);
        confirmCrInRange(false, "IV", "65537", v97);
        confirmCrInRange(false, "IW", "65536", v97);

        confirmCrInRange(true, "A", "1", v2007);
        confirmCrInRange(true, "XFD", "1048576", v2007);
        confirmCrInRange(false, "XFD", "1048577", v2007);
        confirmCrInRange(false, "XFE", "1048576", v2007);

        assertFalse("Identified bug 47312a", CellReference.cellReferenceIsWithinRange("B", "0", v97));

        confirmCrInRange(false, "A", "0", v97);
        confirmCrInRange(false, "A", "0", v2007);
    }

    @Test
    public void testInvalidReference() {
        try {
            new CellReference("Sheet1!#REF!");
            fail("Shouldn't be able to create a #REF! refence");
        } catch(IllegalArgumentException expected) {}

        try {
            new CellReference("'MySheetName'!#REF!");
            fail("Shouldn't be able to create a #REF! refence");
        } catch(IllegalArgumentException expected) {}

        try {
            new CellReference("#REF!");
            fail("Shouldn't be able to create a #REF! refence");
        } catch(IllegalArgumentException expected) {}
    }

    private static void confirmCrInRange(boolean expResult, String colStr, String rowStr,
            SpreadsheetVersion sv) {
        if (expResult == CellReference.cellReferenceIsWithinRange(colStr, rowStr, sv)) {
            return;
        }
        fail("expected (c='" + colStr + "', r='" + rowStr + "' to be "
                + (expResult ? "within" : "out of") + " bounds for version " + sv.name());
    }

    @Test
    public void testConvertColStringToIndex() {
        assertEquals(0, CellReference.convertColStringToIndex("A"));
        assertEquals(1, CellReference.convertColStringToIndex("B"));
        assertEquals(14, CellReference.convertColStringToIndex("O"));
        assertEquals(701, CellReference.convertColStringToIndex("ZZ"));
        assertEquals(18252, CellReference.convertColStringToIndex("ZZA"));

        assertEquals(0, CellReference.convertColStringToIndex("$A"));
        assertEquals(1, CellReference.convertColStringToIndex("$B"));

        try {
            CellReference.convertColStringToIndex("A$");
            fail("Should throw exception here");
        } catch (IllegalArgumentException expected) {
            assertTrue(expected.getMessage().contains("A$"));
        }
    }

    @Test
    public void testConvertNumColColString() {
        assertEquals("A", CellReference.convertNumToColString(0));
        assertEquals("AV", CellReference.convertNumToColString(47));
        assertEquals("AW", CellReference.convertNumToColString(48));
        assertEquals("BF", CellReference.convertNumToColString(57));

        assertEquals("", CellReference.convertNumToColString(-1));
        assertEquals("", CellReference.convertNumToColString(Integer.MIN_VALUE));
        assertEquals("", CellReference.convertNumToColString(Integer.MAX_VALUE));
        assertEquals("FXSHRXW", CellReference.convertNumToColString(Integer.MAX_VALUE-1));
    }

    /**
     * bug 59684: separateRefParts fails on entire-column references
     */
    @Test
    public void entireColumnReferences() {
        CellReference ref = new CellReference("HOME!$169");
        assertEquals("HOME", ref.getSheetName());
        assertEquals(168, ref.getRow());
        assertEquals(-1, ref.getCol());
        assertTrue("row absolute", ref.isRowAbsolute());
        //assertFalse("column absolute/relative is undefined", ref.isColAbsolute());
    }
    
    @Test
    public void getSheetName() {
        assertEquals(null, new CellReference("A5").getSheetName());
        assertEquals(null, new CellReference(null, 0, 0, false, false).getSheetName());
        // FIXME: CellReference is inconsistent
        assertEquals("", new CellReference("", 0, 0, false, false).getSheetName());
        assertEquals("Sheet1", new CellReference("Sheet1!A5").getSheetName());
        assertEquals("Sheet 1", new CellReference("'Sheet 1'!A5").getSheetName());
    }
    
    @Test
    public void testToString() {
        CellReference ref = new CellReference("'Sheet 1'!A5");
        assertEquals("org.apache.poi.ss.util.CellReference ['Sheet 1'!A5]", ref.toString());
    }
    
    @Test
    public void testEqualsAndHashCode() {
        CellReference ref1 = new CellReference("'Sheet 1'!A5");
        CellReference ref2 = new CellReference("Sheet 1", 4, 0, false, false);
        assertEquals("equals", ref1, ref2);
        assertEquals("hash code", ref1.hashCode(), ref2.hashCode());
        
        assertFalse("null", ref1.equals(null));
        assertFalse("3D vs 2D", ref1.equals(new CellReference("A5")));
        assertFalse("type", ref1.equals(new Integer(0)));
    }
    
    @Test
    public void isRowWithinRange() {
        SpreadsheetVersion ss = SpreadsheetVersion.EXCEL2007;
        assertFalse("1 before first row", CellReference.isRowWithinRange("0", ss));
        assertTrue("first row", CellReference.isRowWithinRange("1", ss));
        assertTrue("last row", CellReference.isRowWithinRange("1048576", ss));
        assertFalse("1 beyond last row", CellReference.isRowWithinRange("1048577", ss));
    }
    
    @Test
    public void isColWithinRange() {
        SpreadsheetVersion ss = SpreadsheetVersion.EXCEL2007;
        assertTrue("(empty)", CellReference.isColumnWithinRange("", ss));
        assertTrue("first column (A)", CellReference.isColumnWithinRange("A", ss));
        assertTrue("last column (XFD)", CellReference.isColumnWithinRange("XFD", ss));
        assertFalse("1 beyond last column (XFE)", CellReference.isColumnWithinRange("XFE", ss));
    }
    
    @Test(expected=IllegalArgumentException.class)
    public void unquotedSheetName() {
        new CellReference("'Sheet 1!A5");
    }
    @Test(expected=IllegalArgumentException.class)
    public void mismatchedQuotesSheetName() {
        new CellReference("Sheet 1!A5");
    }
    
    @Test
    public void escapedSheetName() {
        String escapedName = "'Don''t Touch'!A5";
        String unescapedName = "'Don't Touch'!A5";
        new CellReference(escapedName);
        try {
            new CellReference(unescapedName);
            fail("Sheet names containing apostrophe's must be escaped via a repeated apostrophe");
        } catch (IllegalArgumentException e) {
            assertTrue(e.getMessage().startsWith("Bad sheet name quote escaping: "));
        }
    }
    
    @Test(expected=IllegalArgumentException.class)
    public void negativeRow() {
        new CellReference("sheet", -2, 0, false, false);
    }
    @Test(expected=IllegalArgumentException.class)
    public void negativeColumn() {
        new CellReference("sheet", 0, -2, false, false);
    }
    
    @Test(expected=IllegalArgumentException.class)
    public void classifyEmptyStringCellReference() {
        CellReference.classifyCellReference("", SpreadsheetVersion.EXCEL2007);
    }
    @Test(expected=IllegalArgumentException.class)
    public void classifyInvalidFirstCharCellReference() {
        CellReference.classifyCellReference("!A5", SpreadsheetVersion.EXCEL2007);
    }
}