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.vector.util;
  
  import static java.util.Arrays.asList;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  import java.io.IOException;
  import org.apache.arrow.memory.RootAllocator;
  import org.apache.arrow.vector.types.pojo.ArrowType;
  import org.apache.arrow.vector.types.pojo.Field;
  import org.apache.arrow.vector.types.pojo.FieldType;
  import org.apache.arrow.vector.types.pojo.Schema;
  import org.junit.jupiter.api.Test;
  
  public class TestSchemaUtil {
  
    private static Field field(String name, boolean nullable, ArrowType type, Field... children) {
      return new Field(name, new FieldType(nullable, type, null, null), asList(children));
    }
  
    @Test
    public void testSerializationAndDeserialization() throws IOException {
      Schema schema =
          new Schema(
              asList(
                  field("a", false, new ArrowType.Null()),
                  field("b", true, new ArrowType.Utf8()),
                  field("c", true, new ArrowType.Binary())));
  
      byte[] serialized = SchemaUtility.serialize(schema);
      Schema deserialized = SchemaUtility.deserialize(serialized, new RootAllocator(Long.MAX_VALUE));
      assertEquals(schema, deserialized);
    }
  }
  