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.driver.jdbc.accessor.impl.numeric;
  
  import static org.hamcrest.CoreMatchers.equalTo;
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import java.math.BigDecimal;
  import java.math.RoundingMode;
  import java.sql.SQLException;
  import org.apache.arrow.driver.jdbc.utils.AccessorTestUtils;
  import org.apache.arrow.driver.jdbc.utils.RootAllocatorTestExtension;
  import org.apache.arrow.vector.Float4Vector;
  import org.hamcrest.CoreMatchers;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.RegisterExtension;
  
  public class ArrowFlightJdbcFloat4VectorAccessorTest {
  
    @RegisterExtension
    public static RootAllocatorTestExtension rootAllocatorTestExtension =
        new RootAllocatorTestExtension();
  
    private Float4Vector vector;
  
    private final AccessorTestUtils.AccessorSupplier<ArrowFlightJdbcFloat4VectorAccessor>
        accessorSupplier =
            (vector, getCurrentRow) ->
                new ArrowFlightJdbcFloat4VectorAccessor(
                    (Float4Vector) vector, getCurrentRow, (boolean wasNull) -> {});
  
    private final AccessorTestUtils.AccessorIterator<ArrowFlightJdbcFloat4VectorAccessor>
        accessorIterator = new AccessorTestUtils.AccessorIterator<>(accessorSupplier);
  
    @BeforeEach
    public void setup() {
      this.vector = rootAllocatorTestExtension.createFloat4Vector();
    }
  
    @AfterEach
    public void tearDown() {
      this.vector.close();
    }
  
    @Test
    public void testShouldGetFloatMethodFromFloat4Vector() throws Exception {
      accessorIterator.assertAccessorGetter(
          vector,
          ArrowFlightJdbcFloat4VectorAccessor::getFloat,
          (accessor, currentRow) -> is(vector.get(currentRow)));
    }
  
    @Test
    public void testShouldGetObjectMethodFromFloat4Vector() throws Exception {
      accessorIterator.assertAccessorGetter(
          vector,
          ArrowFlightJdbcFloat4VectorAccessor::getObject,
          (accessor) -> is(accessor.getFloat()));
    }
  
    @Test
    public void testShouldGetStringMethodFromFloat4Vector() throws Exception {
      accessorIterator.assertAccessorGetter(
          vector,
          ArrowFlightJdbcFloat4VectorAccessor::getString,
          accessor -> is(Float.toString(accessor.getFloat())));
    }
  
    @Test
    public void testShouldGetStringMethodFromFloat4VectorWithNull() throws Exception {
      try (final Float4Vector float4Vector =
          new Float4Vector("ID", rootAllocatorTestExtension.getRootAllocator())) {
        float4Vector.setNull(0);
        float4Vector.setValueCount(1);
  
        accessorIterator.assertAccessorGetter(
            float4Vector, ArrowFlightJdbcFloat4VectorAccessor::getString, CoreMatchers.nullValue());
      }
    }
  
    @Test
    public void testShouldGetFloatMethodFromFloat4VectorWithNull() throws Exception {
      try (final Float4Vector float4Vector =
          new Float4Vector("ID", rootAllocatorTestExtension.getRootAllocator())) {
        float4Vector.setNull(0);
        float4Vector.setValueCount(1);
  
        accessorIterator.assertAccessorGetter(
            float4Vector, ArrowFlightJdbcFloat4VectorAccessor::getFloat, is(0.0f));
      }
    }
  
    @Test
    public void testShouldGetBigDecimalMethodFromFloat4VectorWithNull() throws Exception {
      try (final Float4Vector float4Vector =
          new Float4Vector("ID", rootAllocatorTestExtension.getRootAllocator())) {
        float4Vector.setNull(0);
        float4Vector.setValueCount(1);
  
        accessorIterator.assertAccessorGetter(
            float4Vector,
            ArrowFlightJdbcFloat4VectorAccessor::getBigDecimal,
            CoreMatchers.nullValue());
      }
    }
  
    @Test
    public void testShouldGetObjectMethodFromFloat4VectorWithNull() throws Exception {
      try (final Float4Vector float4Vector =
          new Float4Vector("ID", rootAllocatorTestExtension.getRootAllocator())) {
        float4Vector.setNull(0);
        float4Vector.setValueCount(1);
  
        accessorIterator.assertAccessorGetter(
            float4Vector, ArrowFlightJdbcFloat4VectorAccessor::getObject, CoreMatchers.nullValue());
      }
    }
  
    @Test
    public void testShouldGetBooleanMethodFromFloat4Vector() throws Exception {
      accessorIterator.assertAccessorGetter(
          vector,
          ArrowFlightJdbcFloat4VectorAccessor::getBoolean,
          accessor -> is(accessor.getFloat() != 0.0f));
    }
  
    @Test
    public void testShouldGetByteMethodFromFloat4Vector() throws Exception {
      accessorIterator.assertAccessorGetter(
          vector,
          ArrowFlightJdbcFloat4VectorAccessor::getByte,
          accessor -> is((byte) accessor.getFloat()));
    }
  
    @Test
    public void testShouldGetShortMethodFromFloat4Vector() throws Exception {
      accessorIterator.assertAccessorGetter(
          vector,
          ArrowFlightJdbcFloat4VectorAccessor::getShort,
          accessor -> is((short) accessor.getFloat()));
    }
  
    @Test
    public void testShouldGetIntMethodFromFloat4Vector() throws Exception {
      accessorIterator.assertAccessorGetter(
          vector,
          ArrowFlightJdbcFloat4VectorAccessor::getInt,
          accessor -> is((int) accessor.getFloat()));
    }
  
    @Test
    public void testShouldGetLongMethodFromFloat4Vector() throws Exception {
      accessorIterator.assertAccessorGetter(
          vector,
          ArrowFlightJdbcFloat4VectorAccessor::getLong,
          accessor -> is((long) accessor.getFloat()));
    }
  
    @Test
    public void testShouldGetDoubleMethodFromFloat4Vector() throws Exception {
      accessorIterator.assertAccessorGetter(
          vector,
          ArrowFlightJdbcFloat4VectorAccessor::getDouble,
          accessor -> is((double) accessor.getFloat()));
    }
  
    @Test
    public void testShouldGetBigDecimalMethodFromFloat4Vector() throws Exception {
      accessorIterator.iterate(
          vector,
          (accessor, currentRow) -> {
            float value = accessor.getFloat();
            if (Float.isInfinite(value) || Float.isNaN(value)) {
              assertThrows(SQLException.class, accessor::getBigDecimal);
            } else {
              assertThat(accessor.getBigDecimal(), is(BigDecimal.valueOf(value)));
            }
          });
    }
  
    @Test
    public void testShouldGetBigDecimalWithScaleMethodFromFloat4Vector() throws Exception {
      accessorIterator.iterate(
          vector,
          (accessor, currentRow) -> {
            float value = accessor.getFloat();
            if (Float.isInfinite(value) || Float.isNaN(value)) {
              assertThrows(SQLException.class, () -> accessor.getBigDecimal(9));
            } else {
              assertThat(
                  accessor.getBigDecimal(9),
                  is(BigDecimal.valueOf(value).setScale(9, RoundingMode.HALF_UP)));
            }
          });
    }
  
    @Test
    public void testShouldGetObjectClass() throws Exception {
      accessorIterator.assertAccessorGetter(
          vector,
          ArrowFlightJdbcFloat4VectorAccessor::getObjectClass,
          accessor -> equalTo(Float.class));
    }
  }
  