/**
* 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.hadoop.hive.ql.exec.vector.expressions;
import static org.junit.Assert.assertEquals;
import org.apache.hadoop.hive.ql.exec.vector.LongColumnVector;
import org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch;
import org.apache.hadoop.hive.ql.exec.vector.expressions.gen.LongColUnaryMinus;
import org.apache.hadoop.hive.ql.exec.vector.util.VectorizedRowGroupGenUtil;
import org.junit.Test;
/**
* Unit tests for unary minus.
*/
public class TestUnaryMinus {
@Test
public void testUnaryMinus() {
VectorizedRowBatch vrg = VectorizedRowGroupGenUtil.getVectorizedRowBatch(1024, 2, 23);
LongColUnaryMinus expr = new LongColUnaryMinus(0, 1);
expr.evaluate(vrg);
//verify
long[] inVector = ((LongColumnVector) vrg.cols[0]).vector;
long[] outVector = ((LongColumnVector) vrg.cols[1]).vector;
for (int i = 0; i < outVector.length; i++) {
assertEquals(0, inVector[i]+outVector[i]);
}
}
}