import junit.framework.TestCase;
public class TestGenericUDFRTrim extends TestCase {
public void testTrim() throws HiveException {
GenericUDFRTrim udf = new GenericUDFRTrim();
ObjectInspector valueOI = PrimitiveObjectInspectorFactory.writableStringObjectInspector;
ObjectInspector[] arguments = { valueOI };
udf.initialize(arguments);
runAndVerify(" Hello World! ", " Hello World!", udf);
runAndVerify("Hello World! ", "Hello World!", udf);
runAndVerify(" Hello World!", " Hello World!", udf);
runAndVerify("Hello World!", "Hello World!", udf);
runAndVerify(" ", "", udf);