TestUnaryPlusEval.java

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   this work for additional information regarding copyright ownership.
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package org.apache.poi.ss.formula.eval;

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

import org.apache.poi.ss.formula.functions.EvalFactory;
import org.apache.poi.ss.formula.functions.NumericFunctionInvoker;
import org.apache.poi.ss.formula.ptg.AreaPtg;
import org.junit.jupiter.api.Test;

/**
 * Test for unary plus operator evaluator.
 */
final class TestUnaryPlusEval {

    /**
     * Test for bug observable at svn revision 618865 (5-Feb-2008)<br>
     * The code for handling column operands had been copy-pasted from the row handling code.
     */
    @Test
    void testColumnOperand() {

        short firstRow = (short)8;
        short lastRow = (short)12;
        short colNum = (short)5;
        AreaPtg areaPtg = new AreaPtg(firstRow, lastRow, colNum, colNum, false, false, false, false);
        ValueEval[] values = {
                new NumberEval(27),
                new NumberEval(29),
                new NumberEval(35), // value in row 10
                new NumberEval(37),
                new NumberEval(38),
        };
        ValueEval[] args = {
            EvalFactory.createAreaEval(areaPtg, values),
        };

        double result = NumericFunctionInvoker.invoke(EvalInstances.UnaryPlus, args, 10, (short)20);

        assertEquals(35, result, 0);
    }
}