content: /*
   * 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.carbondata.core.scan.expression;
  
  import org.apache.carbondata.core.metadata.datatype.DataTypes;
  import org.apache.carbondata.core.scan.filter.intf.RowImpl;
  
  import org.junit.Before;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  public class LiteralExpressionTest {
  
    private LiteralExpression literalExpression;
  
    @Before public void setUp() {
      String value = "testing";
      literalExpression = new LiteralExpression(value, DataTypes.STRING);
    }
  
    @Test public void testEvaluate() {
      RowImpl rowImpl = new RowImpl();
      rowImpl.setValues(new String[] { "testing" });
      ExpressionResult expectedResult = new ExpressionResult(DataTypes.STRING, "testing");
      assertEquals(expectedResult, literalExpression.evaluate(rowImpl));
    }
  
    @Test public void testGetExpressionResult() {
      RowImpl rowImpl = new RowImpl();
      rowImpl.setValues(new String[] { "testing" });
      literalExpression.evaluate(rowImpl);
      ExpressionResult expectedResult = new ExpressionResult(DataTypes.STRING, "testing");
      assertEquals(expectedResult, literalExpression.evaluate(rowImpl));
    }
  
    @Test public void testGetString() {
      String actualValue = literalExpression.getString();
      String expectedValue = "LiteralExpression(testing)";
      assertEquals(expectedValue, actualValue);
    }
  }
  