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bug 56958: patch from Yaniv Kunda: check that cells containing array formulas do not belong to a merged region
git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1749210 13f79535-47bb-0310-9956-ffa450edef68
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@ -749,9 +749,7 @@ public final class HSSFSheet implements org.apache.poi.ss.usermodel.Sheet {
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if (cell.isPartOfArrayFormulaGroup()) {
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if (cell.isPartOfArrayFormulaGroup()) {
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CellRangeAddress arrayRange = cell.getArrayFormulaRange();
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CellRangeAddress arrayRange = cell.getArrayFormulaRange();
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if (arrayRange.getNumberOfCells() > 1 &&
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if (arrayRange.getNumberOfCells() > 1 && region.intersects(arrayRange)) {
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(arrayRange.isInRange(region.getFirstRow(), region.getFirstColumn()) ||
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arrayRange.isInRange(region.getFirstRow(), region.getFirstColumn()))) {
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String msg = "The range " + region.formatAsString() + " intersects with a multi-cell array formula. " +
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String msg = "The range " + region.formatAsString() + " intersects with a multi-cell array formula. " +
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"You cannot merge cells of an array.";
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"You cannot merge cells of an array.";
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throw new IllegalStateException(msg);
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throw new IllegalStateException(msg);
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@ -27,6 +27,7 @@ import static org.junit.Assert.assertTrue;
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import static org.junit.Assert.fail;
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import static org.junit.Assert.fail;
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import java.io.IOException;
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import java.io.IOException;
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import java.util.Arrays;
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import org.apache.poi.ss.ITestDataProvider;
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import org.apache.poi.ss.ITestDataProvider;
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import org.apache.poi.ss.formula.FormulaParseException;
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import org.apache.poi.ss.formula.FormulaParseException;
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@ -467,7 +468,7 @@ public abstract class BaseTestSheetUpdateArrayFormulas {
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}
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}
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@Test
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@Test
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public void testModifyArrayCells_mergeCells() throws IOException {
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public void testModifyArrayCells_mergeCellsSingle() throws IOException {
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Workbook workbook = _testDataProvider.createWorkbook();
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Workbook workbook = _testDataProvider.createWorkbook();
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Sheet sheet = workbook.createSheet();
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Sheet sheet = workbook.createSheet();
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assertEquals(0, sheet.getNumMergedRegions());
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assertEquals(0, sheet.getNumMergedRegions());
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@ -482,18 +483,54 @@ public abstract class BaseTestSheetUpdateArrayFormulas {
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assertTrue(scell.isPartOfArrayFormulaGroup());
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assertTrue(scell.isPartOfArrayFormulaGroup());
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assertEquals(1, sheet.getNumMergedRegions());
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assertEquals(1, sheet.getNumMergedRegions());
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//we cannot merge cells included in an array formula
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workbook.close();
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sheet.setArrayFormula("A1:A3*B1:B3", CellRangeAddress.valueOf("C1:C3"));
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}
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CellRangeAddress cra = CellRangeAddress.valueOf("C1:C3");
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@Test
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public void testModifyArrayCells_mergeCellsMulti() throws IOException {
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Workbook workbook = _testDataProvider.createWorkbook();
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Sheet sheet = workbook.createSheet();
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int expectedNumMergedRegions = 0;
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assertEquals(expectedNumMergedRegions, sheet.getNumMergedRegions());
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// we cannot merge cells included in an array formula
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sheet.setArrayFormula("A1:A4*B1:B4", CellRangeAddress.valueOf("C2:F5"));
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for (String ref : Arrays.asList(
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"C2:F5", // identity
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"D3:E4", "B1:G6", // contains
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"B1:C2", "F1:G2", "F5:G6", "B5:C6", // 1x1 corner intersection
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"B1:C6", "B1:G2", "F1:G6", "B5:G6", // 1-row/1-column intersection
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"B1:D3", "E1:G3", "E4:G6", "B4:D6", // 2x2 corner intersection
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"B1:D6", "B1:G3", "E1:G6", "B4:G6" // 2-row/2-column intersection
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)) {
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CellRangeAddress cra = CellRangeAddress.valueOf(ref);
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try {
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try {
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sheet.addMergedRegion(cra);
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sheet.addMergedRegion(cra);
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fail("expected exception");
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fail("expected exception with ref " + ref);
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} catch (IllegalStateException e){
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} catch (IllegalStateException e) {
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String msg = "The range "+cra.formatAsString()+" intersects with a multi-cell array formula. You cannot merge cells of an array.";
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String msg = "The range "+cra.formatAsString()+" intersects with a multi-cell array formula. You cannot merge cells of an array.";
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assertEquals(msg, e.getMessage());
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assertEquals(msg, e.getMessage());
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}
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}
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}
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//the number of merged regions remains the same
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//the number of merged regions remains the same
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assertEquals(1, sheet.getNumMergedRegions());
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assertEquals(expectedNumMergedRegions, sheet.getNumMergedRegions());
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// we can merge non-intersecting cells
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for (String ref : Arrays.asList(
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"C1:F1", //above
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"G2:G5", //right
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"C6:F6", //bottom
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"B2:B5", "H7:J9")) {
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CellRangeAddress cra = CellRangeAddress.valueOf(ref);
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try {
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sheet.addMergedRegion(cra);
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expectedNumMergedRegions++;
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assertEquals(expectedNumMergedRegions, sheet.getNumMergedRegions());
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} catch (IllegalStateException e) {
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fail("did not expect exception with ref: " + ref + "\n" + e.getMessage());
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}
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}
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workbook.close();
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workbook.close();
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}
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}
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