@Test
public void testGetConstant() {
assertEquals(XlsNodeTypes.WORKBOOK, XlsNodeTypes.getEnumByValue("Workbook"));
assertEquals(XlsNodeTypes.WORKSHEET, XlsNodeTypes.getEnumByValue("Worksheet"));
assertEquals(XlsNodeTypes.TABLE, XlsNodeTypes.getEnumByValue("Table"));
assertEquals(XlsNodeTypes.CELL, XlsNodeTypes.getEnumByValue("Cell"));
assertEquals(XlsNodeTypes.XLS_MODULE, XlsNodeTypes.getEnumByValue("xls.module"));
assertEquals(XlsNodeTypes.XLS_WORKBOOK, XlsNodeTypes.getEnumByValue("xls.workbook"));
assertEquals(XlsNodeTypes.XLS_WORKSHEET, XlsNodeTypes.getEnumByValue("xls.worksheet"));
assertEquals(XlsNodeTypes.XLS_DT, XlsNodeTypes.getEnumByValue("xls.dt"));
assertEquals(XlsNodeTypes.XLS_SPREADSHEET, XlsNodeTypes.getEnumByValue("xls.spreadsheet"));
assertEquals(XlsNodeTypes.XLS_TBASIC, XlsNodeTypes.getEnumByValue("xls.tbasic"));
assertEquals(XlsNodeTypes.XLS_COLUMN_MATCH, XlsNodeTypes.getEnumByValue("xls.columnmatch"));
assertEquals(XlsNodeTypes.XLS_METHOD, XlsNodeTypes.getEnumByValue("xls.method"));
assertEquals(XlsNodeTypes.XLS_TEST_METHOD, XlsNodeTypes.getEnumByValue("xls.test.method"));
assertEquals(XlsNodeTypes.XLS_RUN_METHOD, XlsNodeTypes.getEnumByValue("xls.run.method"));
assertEquals(XlsNodeTypes.XLS_DATA, XlsNodeTypes.getEnumByValue("xls.data"));
assertEquals(XlsNodeTypes.XLS_DATATYPE, XlsNodeTypes.getEnumByValue("xls.datatype"));
assertEquals(XlsNodeTypes.XLS_OPENL, XlsNodeTypes.getEnumByValue("xls.openl"));
assertEquals(XlsNodeTypes.XLS_ENVIRONMENT, XlsNodeTypes.getEnumByValue("xls.environment"));
assertEquals(XlsNodeTypes.XLS_OTHER, XlsNodeTypes.getEnumByValue("xls.other"));
assertEquals(XlsNodeTypes.XLS_PROPERTIES, XlsNodeTypes.getEnumByValue("xls.properties"));
assertNull(XlsNodeTypes.getEnumByValue(null));
assertNull(XlsNodeTypes.getEnumByValue(""));
assertNull(XlsNodeTypes.getEnumByValue("abracadabra"));
}