TestAttrPtg.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.ss.formula.ptg;

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

import org.apache.poi.hssf.record.TestcaseRecordInputStream;
import org.apache.poi.util.HexRead;
import org.apache.poi.util.LittleEndianInput;
import org.junit.jupiter.api.Test;

/**
 * Tests for {@link AttrPtg}.
 */
final class TestAttrPtg extends BaseTestPtg {

    /**
     * Fix for bug visible around svn r706772.
     */
    @Test
    void testReserializeAttrChoose() {
        byte[] data = HexRead.readFromString("19, 04, 03, 00, 08, 00, 11, 00, 1A, 00, 23, 00");
        LittleEndianInput in = TestcaseRecordInputStream.createLittleEndian(data);
        Ptg[] ptgs = Ptg.readTokens(data.length, in);
        byte[] data2 = new byte[data.length];
        // ArrayIndexOutOfBoundsException -> incorrect re-serialization of tAttrChoose
        Ptg.serializePtgs(ptgs, data2, 0);
        assertArrayEquals(data, data2);
    }
}