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.beam.sdk.coders;
  
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.hamcrest.Matchers.equalTo;
  
  import java.math.BigDecimal;
  import org.apache.beam.sdk.testing.CoderProperties;
  import org.apache.beam.sdk.testing.CoderProperties.TestElementByteSizeObserver;
  import org.apache.beam.sdk.util.CoderUtils;
  import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.ImmutableList;
  import org.junit.Rule;
  import org.junit.Test;
  import org.junit.rules.ExpectedException;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Test case for {@link BigDecimalCoder}. */
  @RunWith(JUnit4.class)
  public class BigDecimalCoderTest {
  
    @Rule public ExpectedException thrown = ExpectedException.none();
  
    private static final Coder<BigDecimal> TEST_CODER = BigDecimalCoder.of();
  
    private static final ImmutableList<BigDecimal> TEST_VALUES =
        ImmutableList.of(
            new BigDecimal(Double.MIN_VALUE).divide(BigDecimal.TEN),
            new BigDecimal(Double.MIN_VALUE),
            new BigDecimal(-10.5),
            new BigDecimal(-1),
            BigDecimal.ZERO,
            BigDecimal.ONE,
            BigDecimal.valueOf(13.258),
            new BigDecimal(Double.MAX_VALUE),
            new BigDecimal(Double.MAX_VALUE).multiply(BigDecimal.TEN));
  
    @Test
    public void testDecodeEncodeEqual() throws Exception {
      for (BigDecimal value : TEST_VALUES) {
        CoderProperties.coderDecodeEncodeEqual(TEST_CODER, value);
      }
    }
  
    /**
     * Generated data to check that the wire format has not changed. To regenerate, see {@link
     * org.apache.beam.sdk.coders.PrintBase64Encodings}.
     */
    private static final ImmutableList<String> TEST_ENCODINGS =
        ImmutableList.of(
            "swg12KOw51bHBNnjNkPn-wPiaWQ_AsohTe-mXyOGWcybUGt9TKi2FHqY2OH-gV0_GWqRbjNAGsSskI7K3xf9JmT"
                + "jf1ySZXuvF9S9PsgV3kT-sgypaRw_i1MK_orzcJVg_s3cEGTjTY1_Xor3JM9UBVKiQy3Vpulf7aN9LMki"
                + "QEfO28mXQibyUtXL4yoLIwujoo8ArC9SayfbH5HmUxX9G0e506_cefoYIGByfq3M8GLp1_METj97ViU38"
                + "jexsXkggqxXrMG8PO6pCYNB8P_jcf9i5OagpPafem18giZ8-v3fWJPN63vkbuOtaHb9u9yGQfrN25aLpN"
                + "W9ooU9eYbL-1ewSBwENptcIT5SMhkulcVY6e9LyAqamGWdvnbevpwW84rTQpkeJePOkIt6G1_slfkQn6V"
                + "Bw7Jz3Vk",
            "sgg12KOw51bHBNnjNkPn-wPiaWQ_AsohTe-mXyOGWcybUGt9TKi2FHqY2OH-gV0_GWqRbjNAGsSskI7K3xf9JmT"
                + "jf1ySZXuvF9S9PsgV3kT-sgypaRw_i1MK_orzcJVg_s3cEGTjTY1_Xor3JM9UBVKiQy3Vpulf7aN9LMki"
                + "QEfO28mXQibyUtXL4yoLIwujoo8ArC9SayfbH5HmUxX9G0e506_cefoYIGByfq3M8GLp1_METj97ViU38"
                + "jexsXkggqxXrMG8PO6pCYNB8P_jcf9i5OagpPafem18giZ8-v3fWJPN63vkbuOtaHb9u9yGQfrN25aLpN"
                + "W9ooU9eYbL-1ewSBwENptcIT5SMhkulcVY6e9LyAqamGWdvnbevpwW84rTQpkeJePOkIt6G1_slfkQn6V"
                + "Bw7Jz3Vk",
            "AZc",
            "AP8",
            "AAA",
            "AAE",
            "AzPK",
            "AAD________4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
                + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
                + "AAAAAA",
            "AAn_______-wAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
                + "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
                + "AAAAAA");
  
    @Test
    public void testWireFormatEncode() throws Exception {
      CoderProperties.coderEncodesBase64(TEST_CODER, TEST_VALUES, TEST_ENCODINGS);
    }
  
    @Test
    public void testGetEncodedElementByteSize() throws Exception {
      TestElementByteSizeObserver observer = new TestElementByteSizeObserver();
      for (BigDecimal value : TEST_VALUES) {
        TEST_CODER.registerByteSizeObserver(value, observer);
        observer.advance();
        assertThat(
            observer.getSumAndReset(),
            equalTo(
                (long) CoderUtils.encodeToByteArray(TEST_CODER, value, Coder.Context.NESTED).length));
      }
    }
  
    @Test
    public void encodeNullThrowsException() throws Exception {
      thrown.expect(NullPointerException.class);
      thrown.expectMessage("cannot encode a null BigDecimal");
  
      CoderUtils.encodeToBase64(TEST_CODER, null);
    }
  }
  