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.util;
  
  import java.math.BigDecimal;
  import java.math.BigInteger;
  
  import org.apache.carbondata.core.metadata.datatype.DataTypes;
  import org.apache.carbondata.core.metadata.schema.table.column.CarbonMeasure;
  import org.apache.carbondata.core.metadata.schema.table.column.ColumnSchema;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  import static junit.framework.TestCase.assertEquals;
  import static junit.framework.TestCase.assertTrue;
  import static org.apache.carbondata.core.util.DataTypeUtil.bigDecimalToByte;
  import static org.apache.carbondata.core.util.DataTypeUtil.byteToBigDecimal;
  import static org.apache.carbondata.core.util.DataTypeUtil.getMeasureValueBasedOnDataType;
  import static org.apache.carbondata.core.util.DataTypeUtil.normalizeIntAndLongValues;
  
  public class DataTypeUtilTest {
  
    @Test public void testGetColumnDataTypeDisplayName() {
      String expected = DataTypes.INT.getName();
      String result = "INT";
      assertEquals(expected, result);
  
    }
  
    @Test public void testByteToBigDecimal() {
      byte[] byteArr = { 0, 0 };
      byte[] unscale = new byte[byteArr.length - 1];
      BigInteger bigInteger = new BigInteger(unscale);
      BigDecimal expected = new BigDecimal(bigInteger, 0);
      BigDecimal result = byteToBigDecimal(byteArr);
      assertEquals(expected, result);
  
    }
  
    @Test public void testBigDecimalToByte() {
      byte[] result = bigDecimalToByte(BigDecimal.ONE);
      assertTrue(result == result);
    }
  
    @Test public void testGetMeasureValueBasedOnDataType() {
      ColumnSchema columnSchema = new ColumnSchema();
      CarbonMeasure carbonMeasure = new CarbonMeasure(columnSchema, 1);
      Object resultInt = getMeasureValueBasedOnDataType("1", DataTypes.INT, carbonMeasure.getScale(), carbonMeasure.getPrecision());
      Object expectedInt = Double.valueOf(1).intValue();
      assertEquals(expectedInt, resultInt);
      Object resultLong = getMeasureValueBasedOnDataType("1", DataTypes.LONG, carbonMeasure.getScale(), carbonMeasure.getPrecision());
      Object expectedLong = Long.valueOf(1);
      assertEquals(expectedLong, resultLong);
      Object resultDefault = getMeasureValueBasedOnDataType("1", DataTypes.DOUBLE, carbonMeasure.getScale(), carbonMeasure.getPrecision());
      Double expectedDefault = Double.valueOf(1);
      assertEquals(expectedDefault, resultDefault);
  
    }
  
    @Test public void testNormalizeIntAndLongValues() throws NumberFormatException {
      assertEquals(null, normalizeIntAndLongValues("INT", DataTypes.INT));
      assertEquals("1", normalizeIntAndLongValues("1", DataTypes.STRING));
  
    }
  
    @Test public void testGetDataBasedOnDataTypeForNoDictionaryColumn() {
      Object result = DataTypeUtil.getDataBasedOnDataTypeForNoDictionaryColumn(new byte[0],
          DataTypes.INT);
      Assert.assertTrue(result == null);
      result = DataTypeUtil.getDataBasedOnDataTypeForNoDictionaryColumn(new byte[0],
          DataTypes.SHORT);
      Assert.assertTrue(result == null);
      result = DataTypeUtil.getDataBasedOnDataTypeForNoDictionaryColumn(new byte[0],
          DataTypes.LONG);
      Assert.assertTrue(result == null);
      result = DataTypeUtil.getDataBasedOnDataTypeForNoDictionaryColumn(new byte[0],
          DataTypes.TIMESTAMP);
      Assert.assertTrue(result == null);
      result = DataTypeUtil.getDataBasedOnDataTypeForNoDictionaryColumn(new byte[0],
          DataTypes.STRING);
      Assert.assertTrue(result != null);
    }
  
  }
  
  
  