TestHeaderFooterHelper.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
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package org.apache.poi.xssf.usermodel.helpers;

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

import org.junit.jupiter.api.Test;

/**
 * Test the header and footer helper.
 * As we go through XmlBeans, should always use &,
 *  and not &
 */
class TestHeaderFooterHelper {

    @Test
    void testGetCenterLeftRightSection() {
        HeaderFooterHelper helper = new HeaderFooterHelper();

        String headerFooter = "&CTest the center section";
        assertEquals("Test the center section", helper.getCenterSection(headerFooter));

        headerFooter = "&CTest the center section&LThe left one&RAnd the right one";
        assertEquals("Test the center section", helper.getCenterSection(headerFooter));
        assertEquals("The left one", helper.getLeftSection(headerFooter));
        assertEquals("And the right one", helper.getRightSection(headerFooter));
    }

    @Test
    void testSetCenterLeftRightSection() {
        HeaderFooterHelper helper = new HeaderFooterHelper();
        String headerFooter = "";
        headerFooter = helper.setCenterSection(headerFooter, "First added center section");
        assertEquals("First added center section", helper.getCenterSection(headerFooter));
        headerFooter = helper.setLeftSection(headerFooter, "First left");
        assertEquals("First left", helper.getLeftSection(headerFooter));

        headerFooter = helper.setRightSection(headerFooter, "First right");
        assertEquals("First right", helper.getRightSection(headerFooter));
        assertEquals("&CFirst added center section&LFirst left&RFirst right", headerFooter);

        headerFooter = helper.setRightSection(headerFooter, "First right&F");
        assertEquals("First right&F", helper.getRightSection(headerFooter));
        assertEquals("&CFirst added center section&LFirst left&RFirst right&F", headerFooter);

        headerFooter = helper.setRightSection(headerFooter, "First right&");
        assertEquals("First right&", helper.getRightSection(headerFooter));
        assertEquals("&CFirst added center section&LFirst left&RFirst right&", headerFooter);
    }

}