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.arrow.gandiva.expression;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import java.util.ArrayList;
  import java.util.List;
  import org.apache.arrow.gandiva.exceptions.GandivaException;
  import org.apache.arrow.gandiva.ipc.GandivaTypes;
  import org.apache.arrow.vector.types.FloatingPointPrecision;
  import org.apache.arrow.vector.types.pojo.ArrowType;
  import org.apache.arrow.vector.types.pojo.Field;
  import org.apache.arrow.vector.types.pojo.Schema;
  import org.junit.jupiter.api.Test;
  
  public class ArrowTypeHelperTest {
  
    private void testInt(int width, boolean isSigned, int expected) throws GandivaException {
      ArrowType arrowType = new ArrowType.Int(width, isSigned);
      GandivaTypes.ExtGandivaType gandivaType = ArrowTypeHelper.arrowTypeToProtobuf(arrowType);
      assertEquals(expected, gandivaType.getType().getNumber());
    }
  
    @Test
    public void testAllInts() throws GandivaException {
      testInt(8, false, GandivaTypes.GandivaType.UINT8_VALUE);
      testInt(8, true, GandivaTypes.GandivaType.INT8_VALUE);
      testInt(16, false, GandivaTypes.GandivaType.UINT16_VALUE);
      testInt(16, true, GandivaTypes.GandivaType.INT16_VALUE);
      testInt(32, false, GandivaTypes.GandivaType.UINT32_VALUE);
      testInt(32, true, GandivaTypes.GandivaType.INT32_VALUE);
      testInt(64, false, GandivaTypes.GandivaType.UINT64_VALUE);
      testInt(64, true, GandivaTypes.GandivaType.INT64_VALUE);
    }
  
    private void testFloat(FloatingPointPrecision precision, int expected) throws GandivaException {
      ArrowType arrowType = new ArrowType.FloatingPoint(precision);
      GandivaTypes.ExtGandivaType gandivaType = ArrowTypeHelper.arrowTypeToProtobuf(arrowType);
      assertEquals(expected, gandivaType.getType().getNumber());
    }
  
    @Test
    public void testAllFloats() throws GandivaException {
      testFloat(FloatingPointPrecision.HALF, GandivaTypes.GandivaType.HALF_FLOAT_VALUE);
      testFloat(FloatingPointPrecision.SINGLE, GandivaTypes.GandivaType.FLOAT_VALUE);
      testFloat(FloatingPointPrecision.DOUBLE, GandivaTypes.GandivaType.DOUBLE_VALUE);
    }
  
    private void testBasic(ArrowType arrowType, int expected) throws GandivaException {
      GandivaTypes.ExtGandivaType gandivaType = ArrowTypeHelper.arrowTypeToProtobuf(arrowType);
      assertEquals(expected, gandivaType.getType().getNumber());
    }
  
    @Test
    public void testSimpleTypes() throws GandivaException {
      testBasic(new ArrowType.Bool(), GandivaTypes.GandivaType.BOOL_VALUE);
      testBasic(new ArrowType.Binary(), GandivaTypes.GandivaType.BINARY_VALUE);
      testBasic(new ArrowType.Utf8(), GandivaTypes.GandivaType.UTF8_VALUE);
    }
  
    @Test
    public void testField() throws GandivaException {
      Field field = Field.nullable("col1", new ArrowType.Bool());
      GandivaTypes.Field f = ArrowTypeHelper.arrowFieldToProtobuf(field);
      assertEquals(field.getName(), f.getName());
      assertEquals(true, f.getNullable());
      assertEquals(GandivaTypes.GandivaType.BOOL_VALUE, f.getType().getType().getNumber());
    }
  
    @Test
    public void testSchema() throws GandivaException {
      Field a = Field.nullable("a", new ArrowType.Int(16, false));
      Field b = Field.nullable("b", new ArrowType.Int(32, true));
      Field c = Field.nullable("c", new ArrowType.FloatingPoint(FloatingPointPrecision.DOUBLE));
  
      List<Field> fields = new ArrayList<Field>();
      fields.add(a);
      fields.add(b);
      fields.add(c);
  
      GandivaTypes.Schema schema = ArrowTypeHelper.arrowSchemaToProtobuf(new Schema(fields));
      int idx = 0;
      for (GandivaTypes.Field f : schema.getColumnsList()) {
        assertEquals(fields.get(idx).getName(), f.getName());
        idx++;
      }
    }
  }
  