src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFDataFormat.java

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package org.apache.poi.xssf.usermodel;

import org.apache.poi.ss.usermodel.BaseTestDataFormat;
import org.apache.poi.ss.usermodel.BuiltinFormats;
import org.apache.poi.ss.usermodel.DataFormat;
import org.apache.poi.xssf.XSSFITestDataProvider;
import org.apache.poi.xssf.XSSFTestDataSamples;

/**
 * Tests for {@link XSSFDataFormat}
 */
public final class TestXSSFDataFormat extends BaseTestDataFormat {

	public TestXSSFDataFormat() {
		super(XSSFITestDataProvider.instance);
	}

    /**
     * [Bug 49928] formatCellValue returns incorrect value for \u00a3 formatted cells
     */
    public void test49928(){
        XSSFWorkbook wb = XSSFTestDataSamples.openSampleWorkbook("49928.xlsx");
        doTest49928Core(wb);

        // an attempt to register an existing format returns its index
        int poundFmtIdx = wb.getSheetAt(0).getRow(0).getCell(0).getCellStyle().getDataFormat();
        assertEquals(poundFmtIdx, wb.getStylesSource().putNumberFormat(poundFmt));

        // now create a custom format with Pound (\u00a3)
        DataFormat dataFormat = wb.createDataFormat();
        short customFmtIdx = dataFormat.getFormat("\u00a3##.00[Yellow]");
        assertTrue(customFmtIdx > BuiltinFormats.FIRST_USER_DEFINED_FORMAT_INDEX );
        assertEquals("\u00a3##.00[Yellow]", dataFormat.getFormat(customFmtIdx));
    }
}