How to use

getPredecessor

method

in

de.schlichtherle.truezip.io.SequentialIOException

@SuppressWarnings({ "unchecked", "element-type-mismatch" })
private void assertSequence(final Mapper mapper) throws X {
  final IOException warning = new IOException("warning");
  final IOException failure = new IOException("failure");
  builder.warn(warning);
  final SequentialIOException ex1 = builder.fail(failure);
  builder.check();
  assertTrue(clazz.isInstance(ex1));
  final SequentialIOException ex2 = mapper.map(ex1);
  assertTrue(clazz.isInstance(ex2));
  final Set<IOException> causes = new HashSet<IOException>(
      Arrays.asList(warning, failure));
  assertTrue(causes.remove(ex2.getCause()));
  assertTrue(causes.remove(ex2.getPredecessor().getCause()));
  assertTrue(causes.isEmpty());
  assertNull(ex2.getPredecessor().getPredecessor());
}

private void assertChain(
    final Check c,
    final SequentialIOException[] expected,
    SequentialIOException exc) {
  assert c != null;
  for (int i = 0; i < expected.length; i++) {
    final SequentialIOException exp = expected[i];
    assertNotNull(exp);
    assertNotNull(exc);
    assertTrue(c.equals(exp, exc));
    exc = exc.getPredecessor();
  }
  assertNull(exc);
}