/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.pig.piggybank.test.evaluation.datetime;
import org.apache.pig.data.Tuple;
import org.apache.pig.data.TupleFactory;
import org.apache.pig.piggybank.evaluation.datetime.DiffDate;
import org.junit.Test;
import junit.framework.TestCase;
public class TestDiffDate extends TestCase {
@Test
public void testDiffDate() throws Exception {
Tuple t1 = TupleFactory.getInstance().newTuple(2);
t1.set(0, "20090608");
t1.set(1, "20090701");
Tuple t2 = TupleFactory.getInstance().newTuple(2);
t2.set(0, "20090701");
t2.set(1, "20080501");
Tuple t3 = TupleFactory.getInstance().newTuple(2);
t3.set(0, null);
t3.set(1, "20090701");
Tuple t4 = TupleFactory.getInstance().newTuple(2);
t4.set(0, "20090608");
t4.set(1, null);
DiffDate func = new DiffDate();
Integer r = func.exec(t1);
assertTrue(r==-23);
r = func.exec(t2);
assertTrue(r==426);
r = func.exec(t3);
assertTrue(r==null);
r = func.exec(t4);
assertTrue(r==null);
}
}