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.util.Arrays;
  import java.util.List;
  import org.apache.beam.sdk.testing.CoderProperties;
  import org.apache.beam.sdk.util.CoderUtils;
  import org.apache.beam.sdk.values.TypeDescriptor;
  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 TextualIntegerCoder}. */
  @RunWith(JUnit4.class)
  public class TextualIntegerCoderTest {
  
    private static final Coder<Integer> TEST_CODER = TextualIntegerCoder.of();
  
    private static final List<Integer> TEST_VALUES =
        Arrays.asList(-11, -3, -1, 0, 1, 5, 13, 29, Integer.MAX_VALUE, Integer.MIN_VALUE);
  
    @Test
    public void testDecodeEncodeEqual() throws Exception {
      for (Integer 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 List<String> TEST_ENCODINGS =
        Arrays.asList(
            "LTEx",
            "LTM",
            "LTE",
            "MA",
            "MQ",
            "NQ",
            "MTM",
            "Mjk",
            "MjE0NzQ4MzY0Nw",
            "LTIxNDc0ODM2NDg");
  
    @Test
    public void testWireFormatEncode() throws Exception {
      CoderProperties.coderEncodesBase64(TEST_CODER, TEST_VALUES, TEST_ENCODINGS);
    }
  
    @Rule public ExpectedException thrown = ExpectedException.none();
  
    @Test
    public void encodeNullThrowsCoderException() throws Exception {
      thrown.expect(CoderException.class);
      thrown.expectMessage("cannot encode a null Integer");
  
      CoderUtils.encodeToBase64(TEST_CODER, null);
    }
  
    @Test
    public void testEncodedTypeDescriptor() throws Exception {
      assertThat(TEST_CODER.getEncodedTypeDescriptor(), equalTo(TypeDescriptor.of(Integer.class)));
    }
  }
  