log4j/src/testcases/org/apache/poi/ss/util/TestRegionUtil.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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   distributed under the License is distributed on an "AS IS" BASIS,
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   See the License for the specific language governing permissions and
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package org.apache.poi.ss.util;

import static org.junit.jupiter.api.Assertions.assertEquals;

import java.io.IOException;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.BorderStyle;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

/**
 * Tests that the common RegionUtil works as we need it to.
 */
final class TestRegionUtil {
    private static final CellRangeAddress A1C3 = new CellRangeAddress(0, 2, 0, 2);
    private static final BorderStyle NONE = BorderStyle.NONE;
    private static final BorderStyle THIN = BorderStyle.THIN;
    private static final int RED = IndexedColors.RED.getIndex();
    private static final int DEFAULT_COLOR = 0;
    private Workbook wb;
    private Sheet sheet;

    @BeforeEach
    void setUp() {
        wb = new HSSFWorkbook();
        sheet = wb.createSheet();
    }

    @AfterEach
    void tearDown() throws IOException {
        wb.close();
    }

    private CellStyle getCellStyle(int rowIndex, int columnIndex) {
        Row row = sheet.getRow(rowIndex);
        if (row == null) row = sheet.createRow(rowIndex);
        Cell cell = row.getCell(columnIndex);
        if (cell == null) cell = row.createCell(columnIndex);
        return cell.getCellStyle();
    }

    @Test
    void setBorderTop() {
        assertEquals(NONE, getCellStyle(0, 0).getBorderTop());
        assertEquals(NONE, getCellStyle(0, 1).getBorderTop());
        assertEquals(NONE, getCellStyle(0, 2).getBorderTop());
        RegionUtil.setBorderTop(THIN, A1C3, sheet);
        assertEquals(THIN, getCellStyle(0, 0).getBorderTop());
        assertEquals(THIN, getCellStyle(0, 1).getBorderTop());
        assertEquals(THIN, getCellStyle(0, 2).getBorderTop());
    }
    @Test
    void setBorderBottom() {
        assertEquals(NONE, getCellStyle(2, 0).getBorderBottom());
        assertEquals(NONE, getCellStyle(2, 1).getBorderBottom());
        assertEquals(NONE, getCellStyle(2, 2).getBorderBottom());
        RegionUtil.setBorderBottom(THIN, A1C3, sheet);
        assertEquals(THIN, getCellStyle(2, 0).getBorderBottom());
        assertEquals(THIN, getCellStyle(2, 1).getBorderBottom());
        assertEquals(THIN, getCellStyle(2, 2).getBorderBottom());
    }
    @Test
    void setBorderRight() {
        assertEquals(NONE, getCellStyle(0, 2).getBorderRight());
        assertEquals(NONE, getCellStyle(1, 2).getBorderRight());
        assertEquals(NONE, getCellStyle(2, 2).getBorderRight());
        RegionUtil.setBorderRight(THIN, A1C3, sheet);
        assertEquals(THIN, getCellStyle(0, 2).getBorderRight());
        assertEquals(THIN, getCellStyle(1, 2).getBorderRight());
        assertEquals(THIN, getCellStyle(2, 2).getBorderRight());
    }
    @Test
    void setBorderLeft() {
        assertEquals(NONE, getCellStyle(0, 0).getBorderLeft());
        assertEquals(NONE, getCellStyle(1, 0).getBorderLeft());
        assertEquals(NONE, getCellStyle(2, 0).getBorderLeft());
        RegionUtil.setBorderLeft(THIN, A1C3, sheet);
        assertEquals(THIN, getCellStyle(0, 0).getBorderLeft());
        assertEquals(THIN, getCellStyle(1, 0).getBorderLeft());
        assertEquals(THIN, getCellStyle(2, 0).getBorderLeft());
    }

    @Test
    void setTopBorderColor() {
        assertEquals(DEFAULT_COLOR, getCellStyle(0, 0).getTopBorderColor());
        assertEquals(DEFAULT_COLOR, getCellStyle(0, 1).getTopBorderColor());
        assertEquals(DEFAULT_COLOR, getCellStyle(0, 2).getTopBorderColor());
        RegionUtil.setTopBorderColor(RED, A1C3, sheet);
        assertEquals(RED, getCellStyle(0, 0).getTopBorderColor());
        assertEquals(RED, getCellStyle(0, 1).getTopBorderColor());
        assertEquals(RED, getCellStyle(0, 2).getTopBorderColor());
    }
    @Test
    void setBottomBorderColor() {
        assertEquals(DEFAULT_COLOR, getCellStyle(2, 0).getBottomBorderColor());
        assertEquals(DEFAULT_COLOR, getCellStyle(2, 1).getBottomBorderColor());
        assertEquals(DEFAULT_COLOR, getCellStyle(2, 2).getBottomBorderColor());
        RegionUtil.setBottomBorderColor(RED, A1C3, sheet);
        assertEquals(RED, getCellStyle(2, 0).getBottomBorderColor());
        assertEquals(RED, getCellStyle(2, 1).getBottomBorderColor());
        assertEquals(RED, getCellStyle(2, 2).getBottomBorderColor());
    }
    @Test
    void setRightBorderColor() {
        assertEquals(DEFAULT_COLOR, getCellStyle(0, 2).getRightBorderColor());
        assertEquals(DEFAULT_COLOR, getCellStyle(1, 2).getRightBorderColor());
        assertEquals(DEFAULT_COLOR, getCellStyle(2, 2).getRightBorderColor());
        RegionUtil.setRightBorderColor(RED, A1C3, sheet);
        assertEquals(RED, getCellStyle(0, 2).getRightBorderColor());
        assertEquals(RED, getCellStyle(1, 2).getRightBorderColor());
        assertEquals(RED, getCellStyle(2, 2).getRightBorderColor());
    }
    @Test
    void setLeftBorderColor() {
        assertEquals(DEFAULT_COLOR, getCellStyle(0, 0).getLeftBorderColor());
        assertEquals(DEFAULT_COLOR, getCellStyle(1, 0).getLeftBorderColor());
        assertEquals(DEFAULT_COLOR, getCellStyle(2, 0).getLeftBorderColor());
        RegionUtil.setLeftBorderColor(RED, A1C3, sheet);
        assertEquals(RED, getCellStyle(0, 0).getLeftBorderColor());
        assertEquals(RED, getCellStyle(1, 0).getLeftBorderColor());
        assertEquals(RED, getCellStyle(2, 0).getLeftBorderColor());
    }

    @Test
    void bordersCanBeAddedToNonExistantCells() {
        RegionUtil.setBorderTop(THIN, A1C3, sheet);
        assertEquals(THIN, getCellStyle(0, 0).getBorderTop());
        assertEquals(THIN, getCellStyle(0, 1).getBorderTop());
        assertEquals(THIN, getCellStyle(0, 2).getBorderTop());
    }
    @Test
    void borderColorsCanBeAddedToNonExistantCells() {
        RegionUtil.setTopBorderColor(RED, A1C3, sheet);
        assertEquals(RED, getCellStyle(0, 0).getTopBorderColor());
        assertEquals(RED, getCellStyle(0, 1).getTopBorderColor());
        assertEquals(RED, getCellStyle(0, 2).getTopBorderColor());
    }
}