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 FloatCoder}. */
  @RunWith(JUnit4.class)
  public class FloatCoderTest {
  
    private static final Coder<Float> TEST_CODER = FloatCoder.of();
  
    private static final List<Float> TEST_VALUES =
        Arrays.asList(
            0.0f,
            -0.5f,
            0.5f,
            0.3f,
            -0.3f,
            1.0f,
            -43.895687f,
            (float) Math.PI,
            Float.MAX_VALUE,
            Float.MIN_VALUE,
            Float.POSITIVE_INFINITY,
            Float.NEGATIVE_INFINITY,
            Float.NaN);
  
    @Test
    public void testDecodeEncodeEqual() throws Exception {
      for (Float 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(
            "AAAAAA", "vwAAAA", "PwAAAA", "PpmZmg", "vpmZmg", "P4AAAA", "wi-VLw", "QEkP2w", "f3___w",
            "AAAAAQ", "f4AAAA", "_4AAAA", "f8AAAA");
  
    @Test
    public void testWireFormatEncode() throws Exception {
      System.out.println(TEST_ENCODINGS);
      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 Float");
  
      CoderUtils.encodeToBase64(TEST_CODER, null);
    }
  
    @Test
    public void testEncodedTypeDescriptor() throws Exception {
      assertThat(TEST_CODER.getEncodedTypeDescriptor(), equalTo(TypeDescriptor.of(Float.class)));
    }
  }
  