main/src/test/java/org/apache/poi/hssf/record/TestMergeCellsRecord.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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       http://www.apache.org/licenses/LICENSE-2.0

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package org.apache.poi.hssf.record;

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

import java.util.Collections;

import org.apache.poi.hssf.model.RecordStream;
import org.apache.poi.hssf.record.aggregates.MergedCellsTable;
import org.apache.poi.ss.util.CellRangeAddress;
import org.junit.jupiter.api.Test;


/**
 * Make sure the merge cells record behaves
 */
final class TestMergeCellsRecord {

	/**
	 * Make sure when a clone is called, we actually clone it.
	 */
	@Test
	void testCloneReferences() {
		CellRangeAddress[] cras = { new CellRangeAddress(0, 1, 0, 2), };
		MergeCellsRecord merge = new MergeCellsRecord(cras, 0, cras.length);
		MergeCellsRecord clone = merge.copy();

		assertNotSame(merge, clone, "Merged and cloned objects are the same");

		CellRangeAddress mergeRegion = merge.getAreaAt(0);
		CellRangeAddress cloneRegion = clone.getAreaAt(0);
		assertNotSame(mergeRegion, cloneRegion, "Should not point to same objects when cloning");
		assertEquals(mergeRegion.getFirstRow(), cloneRegion.getFirstRow(), "New Clone Row From doesnt match");
		assertEquals(mergeRegion.getLastRow(), cloneRegion.getLastRow(), "New Clone Row To doesnt match");
		assertEquals(mergeRegion.getFirstColumn(), cloneRegion.getFirstColumn(), "New Clone Col From doesnt match");
		assertEquals(mergeRegion.getLastColumn(), cloneRegion.getLastColumn(), "New Clone Col To doesnt match");

        assertNotSame(merge.getAreaAt(0), clone.getAreaAt(0));
	}

	@Test
	void testMCTable_bug46009() {
		MergedCellsTable mct = new MergedCellsTable();
		CellRangeAddress[] cras = { new CellRangeAddress(0, 0, 0, 3) };
		MergeCellsRecord mcr1 = new MergeCellsRecord(cras, 0, 1);
		RecordStream rs = new RecordStream(Collections.singletonList(mcr1), 0);
		mct.read(rs);
		mct.visitContainedRecords(r -> {
			assertTrue(r instanceof MergeCellsRecord);
			MergeCellsRecord mcr2 = (MergeCellsRecord)r;
			assertEquals(mcr1.getNumAreas(), mcr2.getNumAreas());
			assertEquals(mcr1.getAreaAt(0), mcr2.getAreaAt(0));
		});
	}
}