@Test
public void testComboboxExportValues() {

    try {
        PdfReader reader = new PdfReader(PDF_COMBO_EXPORT);
        AcroFields acroFields = reader.getAcroFields();
        String[] actual = acroFields.getListOptionExport(PDF_COMBO_FIELD_NAME);
        Assert.assertEquals(PDF_COMBO_EXPORT_VALUES.length, actual.length);
        for (int i = 0; i < PDF_COMBO_EXPORT_VALUES.length; i++) {
            Assert.assertEquals(PDF_COMBO_EXPORT_VALUES[i], actual[i]);
        }
    } catch (IOException e) {
        Assert.fail(e.getMessage());
    }
}