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.transforms.windowing;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertSame;
  
  import org.apache.beam.sdk.coders.Coder;
  import org.apache.beam.sdk.testing.CoderProperties;
  import org.apache.beam.sdk.transforms.windowing.PaneInfo.Timing;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.junit.runners.JUnit4;
  
  /** Tests for {@link PaneInfo}. */
  @RunWith(JUnit4.class)
  public class PaneInfoTest {
  
    @Test
    public void testInterned() throws Exception {
      assertSame(
          PaneInfo.createPane(true, true, Timing.EARLY),
          PaneInfo.createPane(true, true, Timing.EARLY));
    }
  
    @Test
    public void testEncodingRoundTrip() throws Exception {
      Coder<PaneInfo> coder = PaneInfo.PaneInfoCoder.INSTANCE;
      for (Timing timing : Timing.values()) {
        long onTimeIndex = timing == Timing.EARLY ? -1 : 37;
        CoderProperties.coderDecodeEncodeEqual(
            coder, PaneInfo.createPane(false, false, timing, 389, onTimeIndex));
        CoderProperties.coderDecodeEncodeEqual(
            coder, PaneInfo.createPane(false, true, timing, 5077, onTimeIndex));
        CoderProperties.coderDecodeEncodeEqual(coder, PaneInfo.createPane(true, false, timing, 0, 0));
        CoderProperties.coderDecodeEncodeEqual(coder, PaneInfo.createPane(true, true, timing, 0, 0));
      }
    }
  
    @Test
    public void testEncodings() {
      assertEquals(
          "PaneInfo encoding assumes that there are only 4 Timing values.",
          4,
          Timing.values().length);
      assertEquals(
          "PaneInfo encoding should remain the same.",
          0x0,
          PaneInfo.createPane(false, false, Timing.EARLY, 1, -1).getEncodedByte());
      assertEquals(
          "PaneInfo encoding should remain the same.",
          0x1,
          PaneInfo.createPane(true, false, Timing.EARLY).getEncodedByte());
      assertEquals(
          "PaneInfo encoding should remain the same.",
          0x3,
          PaneInfo.createPane(true, true, Timing.EARLY).getEncodedByte());
      assertEquals(
          "PaneInfo encoding should remain the same.",
          0x7,
          PaneInfo.createPane(true, true, Timing.ON_TIME).getEncodedByte());
      assertEquals(
          "PaneInfo encoding should remain the same.",
          0xB,
          PaneInfo.createPane(true, true, Timing.LATE).getEncodedByte());
      assertEquals(
          "PaneInfo encoding should remain the same.",
          0xF,
          PaneInfo.createPane(true, true, Timing.UNKNOWN).getEncodedByte());
    }
  }
  