content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.proxy.s3;
  
  import static org.junit.Assert.assertEquals;
  
  import org.junit.Test;
  
  public final class S3RangeSpecTest {
    @Test
    public void invalidRangeSpec() {
      String[] ranges = new String[] {"bytes=100", "bytes=100-1", "bytes=-0"};
      for (String range : ranges) {
        S3RangeSpec s3Range = S3RangeSpec.Factory.create(range);
        assertEquals(S3RangeSpec.INVALID_S3_RANGE_SPEC, s3Range);
      }
    }
  
    @Test
    public void outOfRange() {
      String range = "bytes=100-200";
      long objectSize = 100;
      S3RangeSpec s3Range = S3RangeSpec.Factory.create(range);
      assertEquals(0, s3Range.getLength(objectSize));
      assertEquals(0, s3Range.getOffset(objectSize));
  
      objectSize = 150;
      s3Range = S3RangeSpec.Factory.create(range);
      assertEquals(50, s3Range.getLength(objectSize));
      assertEquals(100, s3Range.getOffset(objectSize));
    }
  
    @Test
    public void inRange() {
      String range = "bytes=100-200";
      long objectSize = 1000;
      S3RangeSpec s3Range = S3RangeSpec.Factory.create(range);
      assertEquals(101, s3Range.getLength(objectSize));
      assertEquals(100, s3Range.getOffset(objectSize));
    }
  
    @Test
    public void prefixLength() {
      long objectSize = 150;
      String range = "bytes=100-";
      S3RangeSpec s3Range = S3RangeSpec.Factory.create(range);
      assertEquals(50, s3Range.getLength(objectSize));
      assertEquals(100, s3Range.getOffset(objectSize));
  
      range = "bytes=150-";
      s3Range = S3RangeSpec.Factory.create(range);
      assertEquals(0, s3Range.getLength(objectSize));
      assertEquals(0, s3Range.getOffset(objectSize));
    }
  
    @Test
    public void suffixLength() {
      String range = "bytes=-200";
      long objectSize = 1000;
      S3RangeSpec s3Range = S3RangeSpec.Factory.create(range);
      assertEquals(200, s3Range.getLength(objectSize));
      assertEquals(800, s3Range.getOffset(objectSize));
  
      objectSize = 100;
      s3Range = S3RangeSpec.Factory.create(range);
      assertEquals(100, s3Range.getLength(objectSize));
      assertEquals(0, s3Range.getOffset(objectSize));
    }
  }
  