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.kafka.connect.data;
  
  import org.junit.jupiter.api.Test;
  
  import java.math.BigDecimal;
  import java.math.BigInteger;
  import java.util.Collections;
  
  import static org.junit.jupiter.api.Assertions.assertArrayEquals;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class DecimalTest {
      private static final int TEST_SCALE = 2;
      private static final BigDecimal TEST_DECIMAL = new BigDecimal(new BigInteger("156"), TEST_SCALE);
      private static final BigDecimal TEST_DECIMAL_NEGATIVE = new BigDecimal(new BigInteger("-156"), TEST_SCALE);
      private static final byte[] TEST_BYTES = new byte[]{0, -100};
      private static final byte[] TEST_BYTES_NEGATIVE = new byte[]{-1, 100};
  
      @Test
      public void testBuilder() {
          Schema plain = Decimal.builder(2).build();
          assertEquals(Decimal.LOGICAL_NAME, plain.name());
          assertEquals(Collections.singletonMap(Decimal.SCALE_FIELD, "2"), plain.parameters());
          assertEquals(1, (Object) plain.version());
      }
  
      @Test
      public void testFromLogical() {
          Schema schema = Decimal.schema(TEST_SCALE);
          byte[] encoded = Decimal.fromLogical(schema, TEST_DECIMAL);
          assertArrayEquals(TEST_BYTES, encoded);
  
          encoded = Decimal.fromLogical(schema, TEST_DECIMAL_NEGATIVE);
          assertArrayEquals(TEST_BYTES_NEGATIVE, encoded);
      }
  
      @Test
      public void testToLogical() {
          Schema schema = Decimal.schema(2);
          BigDecimal converted = Decimal.toLogical(schema, TEST_BYTES);
          assertEquals(TEST_DECIMAL, converted);
  
          converted = Decimal.toLogical(schema, TEST_BYTES_NEGATIVE);
          assertEquals(TEST_DECIMAL_NEGATIVE, converted);
      }
  }
  