/*
 * 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.hbase.types;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;

import org.apache.hadoop.hbase.testclassification.MiscTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.apache.hadoop.hbase.util.Order;
import org.apache.hadoop.hbase.util.PositionedByteRange;
import org.apache.hadoop.hbase.util.SimplePositionedMutableByteRange;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.Test;

@Tag(MiscTests.TAG)
@Tag(SmallTests.TAG)
public class TestOrderedInt32 {
  private static final Integer[] VALUES =
    new Integer[] { 1, 22, 333, 4444, 55555, 666666, 7777777, 88888888, 999999999 };

  @Test
  public void testIsNullableIsFalse() {
    final DataType<Integer> type = new OrderedInt32(Order.ASCENDING);

    assertFalse(type.isNullable());
  }

  @Test
  public void testEncodedClassIsInteger() {
    final DataType<Integer> type = new OrderedInt32(Order.ASCENDING);

    assertEquals(Integer.class, type.encodedClass());
  }

  @Test
  public void testEncodedLength() {
    final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20);
    for (final DataType<Integer> type : new OrderedInt32[] { new OrderedInt32(Order.ASCENDING),
      new OrderedInt32(Order.DESCENDING) }) {
      for (final Integer val : VALUES) {
        buffer.setPosition(0);
        type.encode(buffer, val);
        assertEquals(buffer.getPosition(), type.encodedLength(val),
          "encodedLength does not match actual, " + val);
      }
    }
  }

  @Test
  public void testEncodeNoSupportForNull() {
    final DataType<Integer> type = new OrderedInt32(Order.ASCENDING);

    assertThrows(IllegalArgumentException.class,
      () -> type.encode(new SimplePositionedMutableByteRange(20), null));
  }

  @Test
  public void testEncodedFloatLength() {
    final PositionedByteRange buffer = new SimplePositionedMutableByteRange(20);
    for (final OrderedInt32 type : new OrderedInt32[] { new OrderedInt32(Order.ASCENDING),
      new OrderedInt32(Order.DESCENDING) }) {
      for (final Integer val : VALUES) {
        buffer.setPosition(0);
        type.encodeInt(buffer, val);
        assertEquals(buffer.getPosition(), type.encodedLength(val),
          "encodedLength does not match actual, " + val);
      }
    }
  }
}
