<gh_stars>10-100
/**
 * 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.udf;

import junit.framework.TestCase;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.junit.Test;

public class TestToInteger extends TestCase{

  @Test
  public void testTextToInteger() throws Exception{
    UDFToInteger ti = new UDFToInteger();
    Text t1 = new Text("-1");
    IntWritable i1 = ti.evaluate(t1);
    assertEquals(-1, i1.get());

    Text t2 = new Text("0");
    IntWritable i2 = ti.evaluate(t2);
    assertEquals(0, i2.get());

    Text t3 = new Text("A");
    IntWritable i3 = ti.evaluate(t3);
    assertNull(i3);

    Text t4 = new Text("1.1");
    IntWritable i4 = ti.evaluate(t4);
    assertEquals(1, i4.get());
  }
}
