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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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package org.apache.poi.ss.tests.formula.functions;

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

import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.CellValue;
import org.apache.poi.ss.usermodel.FormulaEvaluator;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.SheetUtil;
import org.apache.poi.util.IOUtils;
import org.apache.poi.xssf.XSSFTestDataSamples;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

/**
 * Test the COUNTIFS() function
 */
class TestCountifs {

    private Workbook workbook;

    /**
     * initialize a workbook
     */
    @BeforeEach
    void before() {
        // not sure why we allow this, COUNTIFS() is only available
        // in OOXML, it was introduced with Office 2007
        workbook = new HSSFWorkbook();
    }

    /**
     * Close the workbook if needed
     */
    @AfterEach
    void after() {
        IOUtils.closeQuietly(workbook);
    }

    /**
     * Basic call
     */
    @Test
    void testCallFunction() {
        Sheet sheet = workbook.createSheet("test");
        Row row1 = sheet.createRow(0);
        Cell cellA1 = row1.createCell(0, CellType.FORMULA);
        Cell cellB1 = row1.createCell(1, CellType.NUMERIC);
        Cell cellC1 = row1.createCell(2, CellType.NUMERIC);
        Cell cellD1 = row1.createCell(3, CellType.NUMERIC);
        Cell cellE1 = row1.createCell(4, CellType.NUMERIC);
        cellB1.setCellValue(1);
        cellC1.setCellValue(1);
        cellD1.setCellValue(2);
        cellE1.setCellValue(4);

        cellA1.setCellFormula("COUNTIFS(B1:C1,1, D1:E1,2)");
        FormulaEvaluator evaluator = workbook.getCreationHelper().createFormulaEvaluator();
        CellValue evaluate = evaluator.evaluate(cellA1);
        assertEquals(1.0d, evaluate.getNumberValue(), 0.000000000000001);
    }

    /**
     * Test argument count check
     */
    @Test
    void testCallFunction_invalidArgs() {
        Sheet sheet = workbook.createSheet("test");
        Row row1 = sheet.createRow(0);
        Cell cellA1 = row1.createCell(0, CellType.FORMULA);
        cellA1.setCellFormula("COUNTIFS()");
        FormulaEvaluator evaluator = workbook.getCreationHelper().createFormulaEvaluator();
        CellValue evaluate = evaluator.evaluate(cellA1);
        assertEquals(15, evaluate.getErrorValue());
        cellA1.setCellFormula("COUNTIFS(A1:C1)");
        evaluator = workbook.getCreationHelper().createFormulaEvaluator();
        evaluate = evaluator.evaluate(cellA1);
        assertEquals(15, evaluate.getErrorValue());
        cellA1.setCellFormula("COUNTIFS(A1:C1,2,2)");
        evaluator = workbook.getCreationHelper().createFormulaEvaluator();
        evaluate = evaluator.evaluate(cellA1);
        assertEquals(15, evaluate.getErrorValue());
    }

    /**
     * the bug returned the wrong count, this verifies the fix
     */
    @Test
    void testBug56822() {
        workbook = XSSFTestDataSamples.openSampleWorkbook("56822-Countifs.xlsx");
        FormulaEvaluator evaluator = workbook.getCreationHelper().createFormulaEvaluator();
        Cell cell = SheetUtil.getCell(workbook.getSheetAt(0), 0, 3);
        assertNotNull(cell, "Test workbook missing cell D1");
        CellValue evaluate = evaluator.evaluate(cell);
        assertEquals(2.0d, evaluate.getNumberValue(), 0.00000000000001);
    }
}