Exemple #1
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  /** Test for method {@link IndexCache#delete(byte[])}. */
  @Test
  public void testDelete() {
    final byte[] key = token("keyDelete");
    final int size = 10;
    final long pointer = 12L;

    cache.add(key, size, pointer);
    cache.delete(key);

    assertNull(cache.get(key));
  }
Exemple #2
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  /** Test for method {@link IndexCache#add(byte[], int, long)}: update. */
  @Test
  public void testUpdate() {
    final byte[] key = token("keyUpdate");
    final int size = 10;
    final long pointer = 12L;

    cache.add(key, size - 1, pointer - 1L);
    cache.add(key, size, pointer);

    assertCacheEntry(key, size, pointer);
  }
Exemple #3
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  /** Test for method {@link IndexCache#get(byte[])}. */
  @Test
  public void testGetNotExisting() {
    for (int i = 0; i < 4000; ++i) {
      final byte[] key = token("keyAdd" + i);
      final long pointer = i + 5000L;

      cache.add(key, i, pointer);
      assertCacheEntry(key, i, pointer);
    }
    assertNull(cache.get(token("keyAdd" + 4000)));
  }
Exemple #4
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  /** Test for method {@link IndexCache#add(byte[], int, long)}. */
  @Test
  public void testAdd() {
    for (int i = 0; i < 4000; ++i) {
      final byte[] key = token("keyAdd" + i);
      final long pointer = i + 5000L;

      cache.add(key, i, pointer);
      assertCacheEntry(key, i, pointer);
    }
  }
Exemple #5
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  /** Test that new records can be continuously added without hitting {@link OutOfMemoryError}. */
  @Test
  @Ignore("Start this test with a small heap size (e.g. -Xmx64m)")
  public void testPerformance() {
    final Random random = new Random(System.nanoTime());

    while (true) {
      final byte[] key = new byte[100];
      random.nextBytes(key);
      final int size = random.nextInt();
      final long pointer = random.nextLong();

      cache.add(key, size, pointer);
    }
  }
Exemple #6
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 /**
  * Assert a cache entry is found in the cache.
  *
  * @param key key
  * @param size number of index hits
  * @param pointer pointer to id list
  */
 private void assertCacheEntry(final byte[] key, final int size, final long pointer) {
   final IndexEntry entry = cache.get(key);
   assertEquals(entry.size, size);
   assertEquals(entry.offset, pointer);
 }